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Natural and semi-synthetic antibiotics

Natural and semi-synthetic antibiotics

Natural and semisynthetic antibiotics are characterised by chemical structures with heterocyclic rings and active functional groups that inhibit the growth of microorganisms. Their structures allow them to interact with vital bacterial processes, making them useful treatments for bacterial infections. Semisynthetic antibiotics can be modified to enhance their spectrum of activity or resistance to degradation. At CymitQuimica, we offer high-quality natural and semisynthetic antibiotics for research in microbiology and pharmaceutical development.

Found 6320 products of "Natural and semi-synthetic antibiotics"

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  • Lufenuron EP Impurity G


    Formula:C21H12Cl2F2N2O5
    Molecular weight:481.23

    Ref: 4Z-L-111007

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Rapamycin (Sirolimus)

    CAS:
    Formula:C51H79NO13
    Color and Shape:White To Off-White Solid
    Molecular weight:914.19

    Ref: 4Z-R-182

    5mg
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    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Linezolid Related Impurity 2 HCl


    Formula:C15H22FN3O3·HCl
    Color and Shape:Brown Solid
    Molecular weight:311.36 36.46

    Ref: 4Z-L-0724

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Posaconazole Diastereoisomer Related Compound 4

    CAS:
    Formula:C30H35N5O3
    Color and Shape:Off-White Solid
    Molecular weight:513.65

    Ref: 4Z-P-3822

    5mg
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  • Cefotiam Impurity 8 Trifluoroacetate

    CAS:
    Formula:C13H19N7O3S2·C2HF3O2
    Molecular weight:385.46 114.02

    Ref: 4Z-C-10312

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Micafungin Impurity FR-901379

    CAS:
    Formula:C51H82N8O21S
    Color and Shape:Off-White Solid
    Molecular weight:1175.31

    Ref: 4Z-PM-127012

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Spinosad (Mixture of Spinosyn A and Spinosyn D)

    CAS:
    Formula:C41H65NO10·C42H67NO10
    Color and Shape:White To Off-White Solid
    Molecular weight:731.97 746.00

    Ref: 4Z-S-088001

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Cefepime EP Impurity D (Cefepime USP Related Compound D)

    CAS:
    Formula:C6H7N3O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:201.20

    Ref: 4Z-C-11110

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Tetracycline-13C2-d6 (Oxytetracycline EP Impurity B-13C2-d6)

    CAS:
    Formula:C2013C2H18D6N2O8
    Molecular weight:452.46

    Ref: 4Z-T-4027

    5mg
    To inquire
    10mg
    9,707.00€
    25mg
    16,987.00€
    50mg
    26,693.00€
    100mg
    To inquire
  • Cefaclor Impurity 2

    CAS:
    Formula:C17H18N2O3
    Color and Shape:White To Off-White Solid
    Molecular weight:298.34

    Ref: 4Z-C-6610

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
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  • Ceftibuten-13C2-d1 Disodium Salt

    CAS:
    Formula:C1313C2H11DN4O6S2·2Na
    Molecular weight:411.39 2*22.99

    Ref: 4Z-C-10929

    5mg
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    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Avibactam-13C5-15N Sodium Salt

    CAS:
    Formula:C213C5H10N215NO6S·Na
    Molecular weight:270.19 22.99

    Ref: 4Z-A-192067

    5mg
    To inquire
    10mg
    4,854.00€
    25mg
    8,979.00€
    50mg
    14,560.00€
    100mg
    To inquire
  • Clindamycin Impurity 50 HCl


    Formula:C18H33ClN2O5S·HCl
    Molecular weight:424.99 36.46

    Ref: 4Z-C-50102

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Cefixime EP Impurity D

    CAS:
    Formula:C16H15N5O7S2
    Color and Shape:White To Off-White Solid
    Molecular weight:453.44

    Ref: 4Z-C-918

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Cilastatin EP Impurity F (Mixture of Diastereomers)


    Formula:C16H26N2O5S
    Molecular weight:358.45

    Ref: 4Z-C-136007

    5mg
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    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Ceftizoxime Impurity 2


    Formula:C19H18N8O7S3
    Color and Shape:Off-White Solid
    Molecular weight:566.58

    Ref: 4Z-C-905

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Ceftazidime-d5

    CAS:
    Formula:C22H17D5N6O7S2
    Molecular weight:551.60

    Ref: 4Z-C-10511

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Terbinafine Impurity 4 (Mixture of Z and E Isomers)

    CAS:
    Formula:C9H14O
    Color and Shape:Pale Yellow Oil
    Molecular weight:138.21

    Ref: 4Z-T-5420

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Amikacin EP Impurity B Formate

    CAS:
    Formula:C26H50N6O15·CH2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:686.71 46.03

    Ref: 4Z-A-144014

    5mg
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    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • N-Nitroso-N-Desmethyl Spinosyn A

    CAS:
    Formula:C40H62N2O11
    Molecular weight:746.94

    Ref: 4Z-S-088012

    5mg
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    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Cilastatin EP Impurity B (Mixture of Diastereomers)


    Formula:C21H34N2O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:442.57

    Ref: 4Z-C-136001

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Cefotiam DiHCl

    CAS:
    Formula:C18H23N9O4S3·2HCl
    Color and Shape:Off-White Solid
    Molecular weight:525.63 2*36.46

    Ref: 4Z-C-10302

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Mupirocin Impurity 1

    CAS:
    Formula:C27H48O7
    Color and Shape:White To Off-White Solid
    Molecular weight:484.67

    Ref: 4Z-M-1811

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Ciprofloxacin N-Oxide HCl

    CAS:
    Formula:C17H18FN3O4·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:347.35 36.46

    Ref: 4Z-C-0815

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Linezolid Impurity 74

    CAS:
    Formula:C8H16ClNO3
    Molecular weight:209.67

    Ref: 4Z-L-0793

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Tedizolid Impurity 30

    CAS:
    Formula:C16H13FN6O3
    Color and Shape:Pale Yellow Solid
    Molecular weight:356.32

    Ref: 4Z-T-163033

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Gentamicin C1 Sulfate


    Formula:C21H43N5O7·5H2SO4
    Molecular weight:477.60 2.5*98.07

    Ref: 4Z-G-044019

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Cefamandole Sodium Salt

    CAS:
    Formula:C18H17N6O5S2·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:461.49 22.99

    Ref: 4Z-C-162006

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Fidaxomicin

    CAS:
    Formula:C52H74Cl2O18
    Color and Shape:White To Off-White Solid
    Molecular weight:1058.05

    Ref: 4Z-F-076001

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Clindamycin Impurity 33 HCl


    Formula:C24H46ClN2O8PS·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:589.12 36.46

    Ref: 4Z-C-5085

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Penilloaldehyde

    CAS:
    Formula:C10H11NO2
    Color and Shape:White To Off-White Solid
    Molecular weight:177.20

    Ref: 4Z-P-0429

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Cefepime 7-Epimer Iodide


    Formula:C19H25N6O5S2·I
    Color and Shape:Yellow Solid
    Molecular weight:481.58 126.90

    Ref: 4Z-C-11113

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Posaconazole Impurity 93


    Formula:C29H37N5O3
    Molecular weight:503.65

    Ref: 4Z-P-38126

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Furaltadone-d5

    CAS:
    Formula:C13H11D5N4O6
    Molecular weight:329.32

    Ref: 4Z-F-131003

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Clindamycin Dehydro Impurity

    CAS:
    Formula:C18H32N2O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:388.52

    Ref: 4Z-C-5010

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Besifloxacin Impurity B

    CAS:
    Formula:C13H8ClF2NO3
    Color and Shape:Pale Yellow Solid
    Molecular weight:299.66

    Ref: 4Z-B-100007

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Potassium Clavulanate EP Impurity K

    CAS:
    Formula:C8H19N
    Color and Shape:Colorless Oil
    Molecular weight:129.25

    Ref: 4Z-C-3217

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Delafloxacin

    CAS:
    Formula:C18H12ClF3N4O4
    Color and Shape:Yellow Solid
    Molecular weight:440.76

    Ref: 4Z-D-189001

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Posaconazole Impurity 35 Oxalate


    Formula:C13H20N2O2·C2H2O4
    Color and Shape:White To Off-White Solid
    Molecular weight:236.32 90.03

    Ref: 4Z-P-3856

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Fosfomycin Disodium Salt

    CAS:
    Formula:C3H5O4P·2Na
    Color and Shape:White To Off-White Solid
    Molecular weight:136.04 2*22.99

    Ref: 4Z-F-471

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Tigecycline Impurity 1


    Formula:C23H26N4O9
    Color and Shape:Brick Red Solid
    Molecular weight:502.49

    Ref: 4Z-T-109012

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Ciprofloxacin EP Impurity B HCl

    CAS:
    Formula:C17H19N3O3·HCl
    Color and Shape:Yellow Solid
    Molecular weight:313.36 36.46

    Ref: 4Z-C-086

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Linezolid Impurity 21

    CAS:
    Formula:C12H15FN2O3
    Color and Shape:White To Off-White Solid
    Molecular weight:254.26

    Ref: 4Z-L-0740

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Posaconazole Impurity 32

    CAS:
    Formula:C23H23N3O3
    Color and Shape:Pale Gray Solid
    Molecular weight:389.46

    Ref: 4Z-P-3860

    5mg
    To inquire
    10mg
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    25mg
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    50mg
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    100mg
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  • Nystatin

    CAS:
    Formula:C47H75NO17
    Color and Shape:Yellow Solid
    Molecular weight:926.11

    Ref: 4Z-N-082001

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Apramycin Disulfate

    CAS:
    Formula:C21H41N5O11·2H2SO4
    Color and Shape:Pale Yellow Solid
    Molecular weight:539.58 2*98.07

    Ref: 4Z-A-270001

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Enduracidin B Tritrifluoroacetate

    CAS:
    Formula:C108H140Cl2N26O31·3C2HF3O2
    Color and Shape:Off-White Solid
    Molecular weight:2369.38 3*114.02

    Ref: 4Z-PE-091003

    5mg
    To inquire
    10mg
    3,155.00€
    25mg
    5,824.00€
    50mg
    9,646.00€
    100mg
    To inquire
  • Fidaxomicin Impurity 4

    CAS:
    Formula:C52H74Cl2O18
    Molecular weight:1058.05

    Ref: 4Z-F-076009

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Terbinafine Impurity 14 HCl

    CAS:
    Formula:C12H13N·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:171.24 36.46

    Ref: 4Z-T-549

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Erythromycin EP Impurity J (Pseudoerythromycin A Hemiketal) (1S-Isomer)

    CAS:
    Formula:C37H67NO13
    Color and Shape:Off-White Solid
    Molecular weight:733.94

    Ref: 4Z-E-2023

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Bacitracin EP Impurity E Ditrifluoroacetate (Bacitracin F Ditrifluoroacetate)

    CAS:
    Formula:C66H98N16O17S·2C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:1419.67 2*114.02

    Ref: 4Z-PB-073002

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Tiamulin Impurity 2 DiHCl

    CAS:
    Formula:C13H28N2OS2·2HCl
    Molecular weight:292.50 2*36.46

    Ref: 4Z-T-9421

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • (9E)-Mucidin ((9E)-Strobilurin A)

    CAS:
    Formula:C16H18O3
    Molecular weight:258.32

    Ref: 4Z-M-171001

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Azithromycin EP Impurity A (Azathramycin, Desmethyl Azithromycin)

    CAS:
    Formula:C37H70N2O12
    Color and Shape:White To Off-White Solid
    Molecular weight:734.97

    Ref: 4Z-A-2620

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cefepime EP Impurity A DiHCl

    CAS:
    Formula:C19H24N6O5S2·2HCl
    Color and Shape:Off-White Solid
    Molecular weight:480.57 2*36.46

    Ref: 4Z-C-11103

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
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    100mg
    To inquire
  • Cefazedone Impurity 6

    CAS:
    Formula:C17H15Cl2N3O7S
    Color and Shape:White To Off-White Solid
    Molecular weight:476.28

    Ref: 4Z-C-108007

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Desbutyl Lumefantrine HCl

    CAS:
    Formula:C26H24Cl3NO·HCl
    Color and Shape:Yellow Solid
    Molecular weight:472.83 36.46

    Ref: 4Z-L-2923

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Lufenuron EP Impurity B

    CAS:
    Formula:C14H8Cl2F2N2O3
    Molecular weight:361.13

    Ref: 4Z-L-111006

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Fosfomycin Trometamol EP Impurity B

    CAS:
    Formula:C7H18NO7P
    Molecular weight:259.19

    Ref: 4Z-F-476

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • 9-Minocycline

    CAS:
    Formula:C22H27N3O7
    Molecular weight:457.48

    Ref: 4Z-M-3444

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Cefotaxime EP Impurity C

    CAS:
    Formula:C17H17N5O8S2
    Color and Shape:Off-White Solid
    Molecular weight:483.47

    Ref: 4Z-C-106005

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Micafungin-d11 Ammonium Salt

    CAS:
    Formula:C56H59D11N9O23S·NH4
    Molecular weight:1280.36 18.04

    Ref: 4Z-PM-127006

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Linezolid USP Related Compound C

    CAS:
    Formula:C14H18FN3O3
    Color and Shape:Pale Yellow Solid
    Molecular weight:295.31

    Ref: 4Z-L-0712

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • L-Cephalexin

    CAS:
    Formula:C16H17N3O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:347.39

    Ref: 4Z-C-474

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • 25-Deacetyl-23-Acetyl Rifampicin

    CAS:
    Formula:C43H58N4O12
    Color and Shape:Red Solid
    Molecular weight:822.95

    Ref: 4Z-R-2314

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Clavulanic Acid Impurity 7 DiHCl

    CAS:
    Formula:C6H16N2·2HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:116.21 2*36.46

    Ref: 4Z-C-3226

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Florfenicol

    CAS:
    Formula:C12H14Cl2FNO4S
    Color and Shape:White To Off-White Solid
    Molecular weight:358.22

    Ref: 4Z-F-231

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Spiramycin EP Impurity H Ditrifluoroacetate

    CAS:
    Formula:C39H66N2O12·2C2HF3O2
    Molecular weight:754.96 2*114.02

    Ref: 4Z-S-439

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • (S)-Tedizolid

    CAS:
    Formula:C17H15FN6O3
    Molecular weight:370.34

    Ref: 4Z-T-163088

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Cefminox Sodium Salt

    CAS:
    Formula:C16H20N7O7S3·Na
    Color and Shape:Off-White Solid
    Molecular weight:518.57 22.99

    Ref: 4Z-C-167001

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Neomycin Sulfate EP Impurity D TriHCl (Paromamine TriHCl)

    CAS:
    Formula:C12H25N3O7·3HCl
    Molecular weight:323.35 3*36.46

    Ref: 4Z-N-080020

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Clindamycin EP Impurity B

    CAS:
    Formula:C17H31ClN2O5S
    Color and Shape:Pale Yellow Solid
    Molecular weight:410.95

    Ref: 4Z-C-505

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Cefixime Impurity 5 (Mixture of Diastereomers)


    Formula:C16H19N5O6S2
    Molecular weight:441.48

    Ref: 4Z-C-9120

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Doxycycline EP Impurity D (4-epi-6-Epidoxycycline)

    CAS:
    Formula:C22H24N2O8
    Molecular weight:444.45

    Ref: 4Z-D-184

    5mg
    To inquire
    10mg
    12,133.00€
    25mg
    21,840.00€
    50mg
    36,399.00€
    100mg
    To inquire
  • Cefditoren Sodium Salt

    CAS:
    Formula:C19H17N6O5S3·Na
    Color and Shape:Yellow Solid
    Molecular weight:505.56 22.99

    Ref: 4Z-C-761

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Cefpirome Impurity 6 Chloride HCl

    CAS:
    Formula:C16H18N3O3S·Cl·HCl
    Molecular weight:332.40 35.45 36.46

    Ref: 4Z-C-296007

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Azithromycin

    CAS:
    Formula:C38H72N2O12
    Color and Shape:White To Off-White Solid
    Molecular weight:749.00

    Ref: 4Z-A-2617

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Tebipenem

    CAS:
    Formula:C16H21N3O4S2
    Color and Shape:Off-White Solid
    Molecular weight:383.48

    Ref: 4Z-T-995

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Lufenuron EP Impurity D


    Formula:C17H9ClF8N2O3
    Molecular weight:476.71

    Ref: 4Z-L-111004

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Moxifloxacin Impurity 37 Ditrifluoroacetate


    Formula:C21H24FN3O5·2C2HF3O2
    Molecular weight:417.44 2*114.02

    Ref: 4Z-M-2758

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Tazobactam Acid Impurity 45-d4

    CAS:
    Formula:C15H11D4N5O7S
    Molecular weight:413.40

    Ref: 4Z-T-127056

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Flucloxacillin Sodium Salt

    CAS:
    Formula:C19H16ClFN3O5S·Na
    Molecular weight:452.86 22.99

    Ref: 4Z-F-511

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Cefdinir Glyoxalic Analog

    CAS:
    Formula:C14H12N4O5S2
    Color and Shape:Yellow Solid
    Molecular weight:380.39

    Ref: 4Z-C-1114

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Fosfomycin Trometamol EP Impurity C

    CAS:
    Formula:C4H12NO6P
    Color and Shape:Colorless Sticky Semi-Solid
    Molecular weight:201.11

    Ref: 4Z-F-474

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Enoxacin HCl

    CAS:
    Formula:C15H17FN4O3·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:320.32 36.46

    Ref: 4Z-E-081

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Tedizolid Impurity 31

    CAS:
    Formula:C17H15FN6O3
    Molecular weight:370.34

    Ref: 4Z-T-163034

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Rifapentine-15N

    CAS:
    Formula:C47H64N315NO12
    Color and Shape:Red Solid
    Molecular weight:878.04

    Ref: 4Z-R-090009

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Pretomanid Impurity 3

    CAS:
    Formula:C14H12F3N3O5
    Molecular weight:359.26

    Ref: 4Z-P-138006

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Ref: 4Z-T-4031

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Cefotaxime Impurity 2 Triethylamine Salt


    Formula:C21H18N6O5S4·Et3N
    Color and Shape:Off-White Solid
    Molecular weight:562.67 101.19

    Ref: 4Z-C-106012

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Cefoxitin EP Impurity C (Cefalonium Impurity C)

    CAS:
    Formula:C14H12N2O4S2
    Color and Shape:White To Off-White Solid
    Molecular weight:336.39

    Ref: 4Z-C-156006

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Minocycline EP Impurity D DiHCl

    CAS:
    Formula:C21H23N3O7·2HCl
    Molecular weight:429.43 2*36.46

    Ref: 4Z-M-3442

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Virginiamycin M1 (Pristinamycin IIA)

    CAS:
    Formula:C28H35N3O7
    Color and Shape:Off-White Solid
    Molecular weight:525.61

    Ref: 4Z-V-171

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Norvancomycin HCl (Vancomycin EP Impurity A HCl)

    CAS:
    Formula:C65H73Cl2N9O24·HCl
    Molecular weight:1435.24 36.46

    Ref: 4Z-V-032020

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Piperacillin Impurity 36 (Mixture of Diastereomers)


    Formula:C9H19NO4S
    Molecular weight:237.31

    Ref: 4Z-P-7456

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Eribulin Mesylate

    CAS:
    Formula:C40H59NO11·CH4O3S
    Color and Shape:Pale Yellow Solid
    Molecular weight:729.91 96.10

    Ref: 4Z-E-110001

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Ozenoxacin Impurity 17


    Formula:C28H25N3O4
    Molecular weight:467.53

    Ref: 4Z-O-061019

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Sisomicin (Netilmicin EP Impurity A)

    CAS:
    Formula:C19H37N5O7
    Color and Shape:White To Off-White Solid
    Molecular weight:447.53

    Ref: 4Z-S-080002

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cloxacillin EP Impurity D (Cloxacillin USP Related Compound D)

    CAS:
    Formula:C11H8ClNO3
    Color and Shape:Pale Yellow Solid
    Molecular weight:237.64

    Ref: 4Z-C-191012

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Spinosyn D

    CAS:
    Formula:C42H67NO10
    Molecular weight:746.00

    Ref: 4Z-S-088006

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Fidaxomicin Metabolite OP-1118

    CAS:
    Formula:C48H68Cl2O17
    Color and Shape:White To Off-White Solid
    Molecular weight:987.96

    Ref: 4Z-F-076005

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Linezolid Impurity 33


    Formula:C21H24F2N4O3
    Color and Shape:White To Off-White Solid
    Molecular weight:418.44

    Ref: 4Z-L-0751

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Terbinafine Impurity 13

    CAS:
    Formula:C13H15N
    Color and Shape:Gray Solid
    Molecular weight:185.27

    Ref: 4Z-T-548

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Ceftolozane Impurity 14

    CAS:
    Formula:C10H13N5O6S
    Color and Shape:Off-White Solid
    Molecular weight:331.30

    Ref: 4Z-C-264016

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ref: 4Z-V-032032

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Erythromycin EP Impurity D (Anhydroerythromycin A)

    CAS:
    Formula:C37H65NO12
    Color and Shape:White To Off-White Solid
    Molecular weight:715.92

    Ref: 4Z-E-2012

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Cycloserine Impurity 14


    Formula:C13H16N2O4
    Molecular weight:264.28

    Ref: 4Z-C-11315

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Thiamphenicol Impurity 14

    CAS:
    Formula:C12H13Cl2NO4S
    Molecular weight:338.20

    Ref: 4Z-T-6117

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Griseofulvin

    CAS:
    Formula:C17H17ClO6
    Color and Shape:White To Off-White Solid
    Molecular weight:352.77

    Ref: 4Z-G-082

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Enramycin (Mixture of Enduracidin A and Enduracidin B)

    CAS:
    Formula:C107H138Cl2N26O31C108H140Cl2N26O31
    Color and Shape:Off-White Solid
    Molecular weight:2355.33; 2369.36

    Ref: 4Z-PE-091001

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Tazobactam Acid Impurity 17

    CAS:
    Formula:C8H10N4O5S
    Molecular weight:274.25

    Ref: 4Z-T-127026

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Ampicillin EP Impurity D Disodium Salt (Mixture of Diastereomers)

    CAS:
    Formula:C16H19N3O5S·2Na
    Color and Shape:Off-White Solid
    Molecular weight:365.41 2*22.99

    Ref: 4Z-A-664

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Bacitracin EP Impurity G

    CAS:
    Formula:C65H96N16O17S
    Molecular weight:1405.64

    Ref: 4Z-PB-073013

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Cefaclor EP Impurity H


    Formula:C23H21ClN4O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:500.95

    Ref: 4Z-C-667

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Bacitracin EP Impurity A Tritrifluoroacetate

    CAS:
    Formula:C64H99N17O16S·3C2HF3O2
    Molecular weight:1394.66 3*114.02

    Ref: 4Z-PB-073008

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Mupirocin Lithium Salt

    CAS:
    Formula:C26H43O9·Li
    Color and Shape:White To Off-White Solid
    Molecular weight:499.63 6.94

    Ref: 4Z-M-181

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Posaconazole Piperazine N1-Oxide

    CAS:
    Formula:C37H42F2N8O5
    Color and Shape:White To Off-White Solid
    Molecular weight:716.79

    Ref: 4Z-P-3871

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Mupirocin EP Impurity F

    CAS:
    Formula:C24H40O9
    Color and Shape:Pale Orange Solid
    Molecular weight:472.58

    Ref: 4Z-M-187

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Bacitracin A-d7 Tritrifluoroacetate

    CAS:
    Formula:C66H96D7N17O16S·3C2HF3O2
    Molecular weight:1429.76 3*114.02

    Ref: 4Z-PB-073036

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Linezolid USP Related Compound C Tosylate

    CAS:
    Formula:C14H18FN3O3·C7H8O3S
    Color and Shape:Off-White Solid
    Molecular weight:295.32 172.20

    Ref: 4Z-L-0735

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Cefadroxil-d4 Trifluoroacetate

    CAS:
    Formula:C16H13D4N3O5S·C2HF3O2
    Molecular weight:367.42 114.02

    Ref: 4Z-C-135001

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Cefixime-13C-15N2

    CAS:
    Formula:C1513CH15N315N2O7S2
    Molecular weight:456.42

    Ref: 4Z-C-912

    5mg
    To inquire
    10mg
    4,854.00€
    25mg
    8,979.00€
    50mg
    14,560.00€
    100mg
    To inquire
  • Mecillinam

    CAS:
    Formula:C15H23N3O3S
    Molecular weight:325.43

    Ref: 4Z-M-156001

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Neomycin B-d2 Hexaacetate Salt


    Formula:C23H44D2N6O13·6C2H4O2
    Molecular weight:616.66 6*60.05

    Ref: 4Z-N-080021

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Micafungin Metabolite M1

    CAS:
    Formula:C56H71N9O20
    Color and Shape:White To Off-White Solid
    Molecular weight:1190.23

    Ref: 4Z-PM-127005

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Rifampicin EP Impurity B (Rifampicin N-Oxide)

    CAS:
    Formula:C43H58N4O13
    Color and Shape:Red Solid
    Molecular weight:838.95

    Ref: 4Z-R-2311

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Amoxicillin Impurity 6 Trifluoroacetate


    Formula:C16H19N3O6S·C2HF3O2
    Color and Shape:Yellow Solid
    Molecular weight:381.40 114.02

    Ref: 4Z-A-2326

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Clindamycin Impurity 4


    Formula:C23H39NO2
    Color and Shape:Pale Yellow Liquid
    Molecular weight:361.57

    Ref: 4Z-C-5034

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Tedizolid Impurity 22

    CAS:
    Formula:C16H14FN6O6P
    Color and Shape:Pale Yellow Solid
    Molecular weight:436.30

    Ref: 4Z-T-163024

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Chloramphenicol EP Impurity B

    CAS:
    Formula:C7H5NO3
    Color and Shape:White To Off-White Solid
    Molecular weight:151.12

    Ref: 4Z-C-10105

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Ivermectin EP Impurity I (4S-Isomer)

    CAS:
    Formula:C48H74O14
    Color and Shape:Off-White Solid
    Molecular weight:875.11

    Ref: 4Z-I-077005

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • 25-Desacetyl Rifampicin

    CAS:
    Formula:C41H56N4O11
    Color and Shape:Red Solid
    Molecular weight:780.92

    Ref: 4Z-R-231

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Lincomycin Impurity 4

    CAS:
    Formula:C8H15NO2
    Molecular weight:157.21

    Ref: 4Z-L-093025

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Spiramycin EP Impurity B

    CAS:
    Formula:C43H76N2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:845.08

    Ref: 4Z-S-433

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Moxifloxacin Ethyl Ester

    CAS:
    Formula:C23H28FN3O4
    Color and Shape:White To Off-White Solid
    Molecular weight:429.49

    Ref: 4Z-M-2730

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Clarithromycin EP Impurity I

    CAS:
    Formula:C30H55NO10
    Color and Shape:White To Off-White Solid
    Molecular weight:589.77

    Ref: 4Z-C-378

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Tacrolimus Impurity 1

    CAS:
    Formula:C43H69NO11
    Color and Shape:White To Off-White Solid
    Molecular weight:776.02

    Ref: 4Z-T-398

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Posaconazole Diastereoisomer Related Compound 6

    CAS:
    Formula:C30H35N5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:513.65

    Ref: 4Z-P-3844

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Ampicillin Impurity 6 Disodium Salt


    Formula:C24H29N5O7S2·2Na
    Molecular weight:563.65 2*22.99

    Ref: 4Z-A-6621

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Linezolid USP Related Compound B

    CAS:
    Formula:C16H20FN3O3S
    Molecular weight:353.41

    Ref: 4Z-L-0710

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Dicloxacillin-13C4 Sodium Salt

    CAS:
    Formula:C1513C4H16Cl2N3O5S·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:473.28 22.99

    Ref: 4Z-D-682

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Moxifloxacin Impurity 10

    CAS:
    Formula:C17H17F2NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:337.32

    Ref: 4Z-M-2736

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Ceftibuten Disodium Salt (Mixture of E and Z Isomers)

    CAS:
    Formula:C15H12N4O6S2·2Na
    Molecular weight:408.40 2*22.99

    Ref: 4Z-C-10923

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Terbinafine Impurity 2 HCl

    CAS:
    Formula:C15H16ClN·HCl
    Molecular weight:245.75 36.46

    Ref: 4Z-T-5418

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Ampicillin EP Impurity H (Cefaclor EP Impurity F)

    CAS:
    Formula:C10H8N2O
    Color and Shape:Pale Yellow Solid
    Molecular weight:172.19

    Ref: 4Z-A-668

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cefditoren Pivoxil

    CAS:
    Formula:C25H28N6O7S3
    Color and Shape:Pale Yellow Solid
    Molecular weight:620.71

    Ref: 4Z-C-763

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Ceftazidime Impurity 5

    CAS:
    Formula:C20H22N4O4S3
    Color and Shape:Pale Yellow Solid
    Molecular weight:478.60

    Ref: 4Z-C-10516

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Erythromycin Impurity 2


    Formula:C37H66N2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:762.94

    Ref: 4Z-E-2048

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Tazobactam Acid Impurity 44

    CAS:
    Formula:C15H15N5O5S
    Molecular weight:377.38

    Ref: 4Z-T-127053

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Minocycline EP Impurity G

    CAS:
    Formula:C25H32N4O7
    Molecular weight:500.55

    Ref: 4Z-M-3428

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Lincomycin EP Impurity C HCl

    CAS:
    Formula:C17H32N2O6S·HCl
    Color and Shape:White To Ff-White Solid
    Molecular weight:392.52 36.46

    Ref: 4Z-L-093005

    5mg
    To inquire
    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Clavulanate Lithium

    CAS:
    Formula:C8H8NO5·Li
    Color and Shape:White To Off-White Solid
    Molecular weight:198.16 6.94

    Ref: 4Z-C-3213

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Zearalenone

    CAS:
    Formula:C18H22O5
    Color and Shape:Pale Yellow Solid
    Molecular weight:318.37

    Ref: 4Z-Z-161

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Mitomycin Related Compound 1 Trifluoroacetate (Mixture of Diastereomers)

    CAS:
    Formula:C14H16N4O5·C2HF3O2
    Molecular weight:320.31 114.02

    Ref: 4Z-M-8418

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Cefditoren-d3

    CAS:
    Formula:C19H15D3N6O5S3
    Color and Shape:Yellow Solid
    Molecular weight:509.59

    Ref: 4Z-C-762

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • N-Nitroso Dalbavancin


    Formula:C88H99Cl2N11O29
    Molecular weight:1845.71

    Ref: 4Z-D-176017

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Moxidectin EP Impurity D


    Formula:C37H53NO8
    Molecular weight:639.83

    Ref: 4Z-M-595

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • rac-Posaconazole Diastereoisomer Related Compound 3


    Formula:C30H35N5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:513.65

    Ref: 4Z-P-3830

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Cefazedone Impurity 19

    CAS:
    Formula:C10H12N2O6S
    Color and Shape:Off-White Solid
    Molecular weight:288.27

    Ref: 4Z-C-108022

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Faropenem Impurity 32

    CAS:
    Formula:C21H35NO6SSi
    Color and Shape:Colorless Liquid
    Molecular weight:457.66

    Ref: 4Z-F-087044

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Clindamycin Stearate HCl

    CAS:
    Formula:C36H67ClN2O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:691.46 36.46

    Ref: 4Z-C-5021

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Cefditoren Pivoxil δ-3 Isomer

    CAS:
    Formula:C25H28N6O7S3
    Molecular weight:620.71

    Ref: 4Z-C-765

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Doxycycline EP Impurity C (4-epi Doxycycline)

    CAS:
    Formula:C22H24N2O8
    Molecular weight:444.44

    Ref: 4Z-D-185

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Tedizolid Impurity 25

    CAS:
    Formula:C17H14ClFN6O2
    Color and Shape:Gray Solid
    Molecular weight:388.79

    Ref: 4Z-T-163027

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cefpodoxime Proxetil Impurity 15

    CAS:
    Formula:C6H11IO3
    Molecular weight:258.06

    Ref: 4Z-C-8526

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Cefazolin 3-Hydroxymethyl Impurity Sodium Salt

    CAS:
    Formula:C11H11N6O5S·Na
    Molecular weight:339.31 22.99

    Ref: 4Z-C-9614

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Moxifloxacin Hydroxy Quinoline Impurity

    CAS:
    Formula:C13H9F2NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:281.21

    Ref: 4Z-M-279

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Lincomycin B

    CAS:
    Formula:C17H32N2O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:392.51

    Ref: 4Z-L-093001

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Ozenoxacin Impurity 19


    Formula:C19H17N3O3
    Molecular weight:335.36

    Ref: 4Z-O-061021

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Patupilone (Epothilone B)

    CAS:
    Formula:C27H41NO6S
    Color and Shape:White To Off-White Solid
    Molecular weight:507.69

    Ref: 4Z-P-214001

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Ceftibuten Impurity 14

    CAS:
    Formula:C14H14N4O4S2
    Color and Shape:Yellow Solid
    Molecular weight:366.41

    Ref: 4Z-C-10915

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Mutilin Impurity 4

    CAS:
    Formula:C20H32O4
    Molecular weight:336.47

    Ref: 4Z-M-129006

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Formyl DL-Penicillamine

    CAS:
    Formula:C6H11NO3S
    Color and Shape:White To Off-White Solid
    Molecular weight:177.22

    Ref: 4Z-P-8912

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Clindamycin EP Impurity C (7-epi Clindamycin)

    CAS:
    Formula:C18H33ClN2O5S
    Color and Shape:Yellow Solid
    Molecular weight:424.98

    Ref: 4Z-C-506

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Piperacillin Impurity 35


    Formula:C7H15NO4S
    Molecular weight:209.26

    Ref: 4Z-P-7455

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • δ 2-Cefcapene Pivoxil

    CAS:
    Formula:C23H29N5O8S2
    Color and Shape:White To Off-White Solid
    Molecular weight:567.63

    Ref: 4Z-C-104003

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Phenoxymethylpenicillin EP Impurity D

    CAS:
    Formula:C16H18N2O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:366.39

    Ref: 4Z-P-871

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • 7-Iodo Sancycline Trifluoroacetate

    CAS:
    Formula:C21H21IN2O7·C2HF3O2
    Color and Shape:Yellow Solid
    Molecular weight:540.31 114.02

    Ref: 4Z-M-3431

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Spinosyn J

    CAS:
    Formula:C40H63NO10
    Molecular weight:717.94

    Ref: 4Z-S-088007

    5mg
    To inquire
    10mg
    9,707.00€
    25mg
    16,987.00€
    50mg
    26,693.00€
    100mg
    To inquire
  • Aztreonam

    CAS:
    Formula:C13H17N5O8S2
    Color and Shape:White To Off-White Solid
    Molecular weight:435.43

    Ref: 4Z-A-108013

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Ceftazidime EP Impurity B Trifluoroacetate

    CAS:
    Formula:C22H22N6O7S2·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:546.57 114.02

    Ref: 4Z-C-10502

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Ampicillin EP Impurity B (L-Ampicillin)

    CAS:
    Formula:C16H19N3O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:349.41

    Ref: 4Z-A-662

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Dicloxacillin Sodium EP Impurity A HCl (Mixture of Diastereomers)


    Formula:C19H19Cl2N3O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:488.34 36.46

    Ref: 4Z-D-686

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Piperacillin-d5 (N-ethyl-d5)

    CAS:
    Formula:C23H22D5N5O7S
    Color and Shape:White To Off-White Solid
    Molecular weight:522.59

    Ref: 4Z-P-7410

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Rifaximin EP Impurity B (Rifamycin B)

    CAS:
    Formula:C39H49NO14
    Molecular weight:755.81

    Ref: 4Z-R-3511

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Terbinafine Impurity 17


    Formula:C21H25NO
    Molecular weight:307.44

    Ref: 4Z-T-5436

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ertapenem Impurity 24


    Formula:C20H19N3O7S
    Molecular weight:445.45

    Ref: 4Z-E-071041

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Azithromycin EP Impurity M

    CAS:
    Formula:C37H68N2O13
    Color and Shape:White To Off-White Solid
    Molecular weight:748.95

    Ref: 4Z-A-2615

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Bacitracin Impurity 6

    CAS:
    Formula:C8H9NO3S
    Molecular weight:199.22

    Ref: 4Z-PB-073033

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Tobramycin Impurity 2 TetraHCl

    CAS:
    Formula:C19H38N6O10·4HCl
    Molecular weight:510.54 4*36.46

    Ref: 4Z-T-143006

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Cefixime Impurity 2

    CAS:
    Formula:C15H12N4O4S3
    Color and Shape:Orange Solid
    Molecular weight:408.47

    Ref: 4Z-C-9117

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Linezolid Impurity 27

    CAS:
    Formula:C10H11FN2O3
    Molecular weight:226.21

    Ref: 4Z-L-0746

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cilastatin EP Impurity A HCl (Mixture of Diastereomers)


    Formula:C16H26N2O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:374.45 36.46

    Ref: 4Z-C-136004

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Clindamycin Hydrochloride EP Impurity F HCl

    CAS:
    Formula:C18H33ClN2O5S·HCl
    Color and Shape:Off-White Solid
    Molecular weight:424.99 36.46

    Ref: 4Z-C-5042

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Spiramycin I

    CAS:
    Formula:C43H74N2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:843.07

    Ref: 4Z-S-4312

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Amprenavir

    CAS:
    Formula:C25H35N3O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:505.63

    Ref: 4Z-A-391

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cefditoren Pivoxil Dimer

    CAS:
    Formula:C51H56N12O14S6
    Molecular weight:1253.44

    Ref: 4Z-C-7610

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Mono-Methylated Fidaxomicin

    CAS:
    Formula:C53H76Cl2O18
    Molecular weight:1072.07

    Ref: 4Z-F-076002

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Linezolid Impurity 30


    Formula:C17H22FN3O4
    Color and Shape:White To Off-White Solid
    Molecular weight:351.38

    Ref: 4Z-L-0749

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • N-Nitroso Potassium Clavulanate EP Impurity L

    CAS:
    Formula:C8H19N3O
    Molecular weight:173.26

    Ref: 4Z-C-3235

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire