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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 6341 products of "Natural and semi-synthetic antibiotics"

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  • Ceftazidime EP Impurity H

    CAS:
    Formula:C23H24N6O7S2
    Molecular weight:560.60

    Ref: 4Z-C-10506

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

    CAS:
    Formula:C24H24N6O4S2
    Color and Shape:Yellow Solid
    Molecular weight:524.61

    Ref: 4Z-C-243006

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    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
  • Faropenem-d7 Sodium Salt

    CAS:
    Formula:C12H7D7NO5S·Na
    Molecular weight:291.35 22.99

    Ref: 4Z-F-087049

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


    Formula:C24H31N5O8S
    Color and Shape:White To Off-White Solid
    Molecular weight:549.60

    Ref: 4Z-P-7415

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Cloxacillin Sodium Salt

    CAS:
    Formula:C19H17ClN3O5S·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:434.88 22.99

    Ref: 4Z-C-191001

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • ent-Avibactam Sodium Salt

    CAS:
    Formula:C7H10N3O6S·Na
    Molecular weight:264.23 22.99

    Ref: 4Z-A-192077

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

    CAS:
    Formula:C24H24N6O3S3
    Color and Shape:Pale Yellow Solid
    Molecular weight:540.68

    Ref: 4Z-C-243007

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    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
  • Defluoro rac-Linezolid

    CAS:
    Formula:C16H21N3O4
    Color and Shape:White To Off-White Solid
    Molecular weight:319.36

    Ref: 4Z-L-0713

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

    CAS:
    Formula:C18H18N8O7S3
    Molecular weight:554.57

    Ref: 4Z-C-932

    5mg
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    10mg
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    25mg
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    50mg
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    100mg
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  • Clindamycin Impurity 9

    CAS:
    Formula:C37H67ClN2O6S
    Color and Shape:Pale Yellow Oil
    Molecular weight:703.46

    Ref: 4Z-C-5043

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    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
  • 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
  • Moxidectin EP Impurity H


    Formula:C37H51NO7
    Color and Shape:White To Off-White Solid
    Molecular weight:621.82

    Ref: 4Z-M-598

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Rifapentine Impurity 2 (3-Formyl Rifamycin S)

    CAS:
    Formula:C38H45NO13
    Color and Shape:Orange Solid
    Molecular weight:723.77

    Ref: 4Z-R-090007

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    5,577.00€
  • Sparfloxacin

    CAS:
    Formula:C19H22F2N4O3
    Color and Shape:Yellow Solid
    Molecular weight:392.41

    Ref: 4Z-S-071

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

    CAS:
    Formula:C29H40N4O7·C7H8O3S
    Molecular weight:556.66 172.20

    Ref: 4Z-O-112001

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

    CAS:
    Formula:C13H12N8O4S3
    Color and Shape:White To Off-White Solid
    Molecular weight:440.47

    Ref: 4Z-C-185001

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

    CAS:
    Formula:C17H31ClN2O5S·HCl
    Molecular weight:410.95 36.46

    Ref: 4Z-P-160001

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Clindamycin 2-Phosphate Sulfoxide (Mixture of Diastereomers)

    CAS:
    Formula:C18H34ClN2O9PS
    Color and Shape:White To Off-White Solid
    Molecular weight:520.96

    Ref: 4Z-C-5032

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

    CAS:
    Formula:C8H18N6O4
    Molecular weight:262.27

    Ref: 4Z-S-083003

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

    CAS:
    Formula:C10H20N2O4S3
    Color and Shape:White To Off-White Solid
    Molecular weight:328.46

    Ref: 4Z-P-899

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    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
  • Lumefantrine

    CAS:
    Formula:C30H32Cl3NO
    Color and Shape:Yellow Solid
    Molecular weight:528.95

    Ref: 4Z-L-291

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
    750mg
    2,940.00€
  • Ceftibuten-13C2-d1 Disodium Salt

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

    Ref: 4Z-C-10929

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

    CAS:
    Formula:C16H17N3O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:363.39

    Ref: 4Z-C-135004

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    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 Impurity 22

    CAS:
    Formula:C21H25N3O5
    Molecular weight:399.45

    Ref: 4Z-M-27162

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Posaconazole Impurity 55

    CAS:
    Formula:C37H40F2N8O6
    Color and Shape:White To Off-White Solid
    Molecular weight:730.77

    Ref: 4Z-P-385

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • 25-Desacetyl Rifaximin-d6

    CAS:
    Formula:C41H43D6N3O10
    Molecular weight:749.89

    Ref: 4Z-R-356

    5mg
    To inquire
    10mg
    2,670.00€
    25mg
    4,854.00€
    50mg
    8,008.00€
    100mg
    To inquire
  • Tigecycline Tricyclic Analog

    CAS:
    Formula:C27H32N4O9
    Molecular weight:556.58

    Ref: 4Z-T-109020

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

    CAS:
    Formula:C30H51NO8
    Color and Shape:White To Off-White Solid
    Molecular weight:553.74

    Ref: 4Z-C-3711

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Moxifloxacin EP Impurity E HCl (Moxifloxacin USP Related Compound E)

    CAS:
    Formula:C20H22FN3O4·HCl
    Color and Shape:Pale Yellow Solid
    Molecular weight:387.41 36.46

    Ref: 4Z-M-2710

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cefdinir Impurity 6 (Thiazolylacetylglycine Oxime Acetal)

    CAS:
    Formula:C7H10N4O4S·C7H8N4O3S
    Color and Shape:Pale Yellow Solid
    Molecular weight:246.24 228.23

    Ref: 4Z-C-1108

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Ozenoxacin Impurity 18 HCl


    Formula:C17H15N3O3·HCl
    Molecular weight:309.33 36.46

    Ref: 4Z-O-061020

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Posaconazole Impurity 80

    CAS:
    Formula:C21H20F2N4O3
    Color and Shape:Off-White Solid
    Molecular weight:414.42

    Ref: 4Z-P-387

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Polymyxin B2-d7 Pentatrifluoroacetate


    Formula:C55H89D7N16O13·5C2HF3O2
    Molecular weight:1196.51 5*114.02

    Ref: 4Z-PP-321021

    5mg
    5,835.00€
    10mg
    9,707.00€
    25mg
    16,987.00€
    50mg
    26,693.00€
    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
  • Bacitracin B2 Tritrifluoroacetate

    CAS:
    Formula:C65H101N17O16S·3C2HF3O2
    Molecular weight:1408.69 3*114.02

    Ref: 4Z-PB-073024

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    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
  • Ampicillin EP Impurity K

    CAS:
    Formula:C13H17NO3
    Color and Shape:White To Off-White Solid
    Molecular weight:235.28

    Ref: 4Z-A-6611

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • Aztreonam Impurity 6


    Formula:C4H8N2O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:180.18

    Ref: 4Z-A-108014

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ivermectin B1a-d2

    CAS:
    Formula:C48H72D2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:877.12

    Ref: 4Z-I-077008

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Posaconazole Diastereoisomer Related Compound 5

    CAS:
    Formula:C21H21F2N3O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:449.48

    Ref: 4Z-P-3820

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Cycloserine Diketopiperazine (Mixture of Diastereomers)

    CAS:
    Formula:C6H12N4O4
    Color and Shape:White To Off-White Solid
    Molecular weight:204.19

    Ref: 4Z-C-11301

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • 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
  • Meropenem-d6

    CAS:
    Formula:C17H19D6N3O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:389.50

    Ref: 4Z-M-125004

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    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
  • Azithromycin Impurity 6 (Azithromycin 11,12-Hydrogenborate)

    CAS:
    Formula:C38H71BN2O13
    Color and Shape:White To Off-White Solid
    Molecular weight:774.80

    Ref: 4Z-A-2629

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    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
  • Clindamycin Impurity 25 (Sulfone)

    CAS:
    Formula:C18H33ClN2O7S
    Color and Shape:White To Off-White Solid
    Molecular weight:456.98

    Ref: 4Z-C-507

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    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
  • Cefazedone Impurity 7


    Formula:C18H15Cl2N5O5S3
    Color and Shape:White To Off-White Solid
    Molecular weight:548.43

    Ref: 4Z-C-108008

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Moxidectin-d3

    CAS:
    Formula:C37H50D3NO8
    Molecular weight:642.85

    Ref: 4Z-M-591

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    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
  • Doxycycline EP Impurity A (6-epi Doxycycline)

    CAS:
    Formula:C22H24N2O8
    Molecular weight:444.44

    Ref: 4Z-D-186

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Flomoxef Impurity 20 Sodium Salt

    CAS:
    Formula:C15H17F2N6O7S2·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:495.45 22.99

    Ref: 4Z-F-107022

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

    CAS:
    Formula:C10H16N2O2
    Color and Shape:Pale Yellow Solid
    Molecular weight:196.25

    Ref: 4Z-C-323

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Moxifloxacin Impurity 20 HCl

    CAS:
    Formula:C21H25N3O4·HCl
    Color and Shape:Pale Yellow Solid
    Molecular weight:383.45 36.46

    Ref: 4Z-M-2743

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

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

    Ref: 4Z-B-100007

    5mg
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    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Posaconazole Impurity 79

    CAS:
    Formula:C11H10F2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:212.20

    Ref: 4Z-P-38101

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


    Formula:C16H18F2N4O3
    Color and Shape:Pale Green Solid
    Molecular weight:352.34

    Ref: 4Z-S-072

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Tacrolimus Impurity 38


    Formula:C46H75NO13
    Molecular weight:850.10

    Ref: 4Z-T-3957

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
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  • 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
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  • Cefotetan Impurity 1 Sodium Salt (Cefmetazole Sodium Salt)

    CAS:
    Formula:C15H16N7O5S3·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:470.53 22.99

    Ref: 4Z-C-243005

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

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

    Ref: 4Z-R-234

    5mg
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    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
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  • Posaconazole Impurity 9


    Formula:C23H23FN6O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:498.54

    Ref: 4Z-P-3829

    5mg
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    10mg
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    25mg
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    50mg
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    100mg
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  • 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
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  • Moxifloxacin Impurity 17

    CAS:
    Formula:C15H12F3NO3
    Color and Shape:White To Off-White Solid
    Molecular weight:311.26

    Ref: 4Z-M-2741

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


    Formula:C21H22ClN3O4S2
    Molecular weight:479.99

    Ref: 4Z-C-191023

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    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 40


    Formula:C23H25FN4O5
    Molecular weight:456.47

    Ref: 4Z-L-0760

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    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
  • Anidulafungin Ring Opening Impurity (Mixture of Diastereomers)


    Formula:C58H73N7O17
    Molecular weight:1140.25

    Ref: 4Z-PA-200003

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Clindamycin 2-Palmitate

    CAS:
    Formula:C34H63ClN2O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:663.41 36.46

    Ref: 4Z-C-5026

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
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  • Faropenem Impurity 4 Sodium Salt

    CAS:
    Formula:C12H14NO6S·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:300.31 22.99

    Ref: 4Z-F-087011

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • 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
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  • Cefditoren Impurity 18


    Formula:C28H33N7O7S3
    Molecular weight:675.79

    Ref: 4Z-C-7624

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

    CAS:
    Formula:C25H28N6O7S3
    Molecular weight:620.71

    Ref: 4Z-C-767

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Terbinafine Impurity 1 HCl [N-Methyl-Bis (1-Naphtalenemethyl) Amine HCl]

    CAS:
    Formula:C23H21N·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:311.43 36.46

    Ref: 4Z-T-5416

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Posaconazole Impurity 23 DiHCl

    CAS:
    Formula:C23H29N5O3·2HCl
    Color and Shape:Off-White Solid
    Molecular weight:423.52 2*36.46

    Ref: 4Z-P-3846

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Linezolid N-Oxide

    CAS:
    Formula:C16H20FN3O5
    Color and Shape:White To Off-White Solid
    Molecular weight:353.35

    Ref: 4Z-L-0719

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

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

    Ref: 4Z-P-8914

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cephalexin-d5

    CAS:
    Formula:C16H12D5N3O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:352.42

    Ref: 4Z-C-472

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

    CAS:
    Formula:C38H70N2O13
    Color and Shape:White To Off-White Solid
    Molecular weight:762.98

    Ref: 4Z-C-3712

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

    CAS:
    Formula:C13H21BN2O2
    Color and Shape:Off-White Solid
    Molecular weight:248.13

    Ref: 4Z-O-061011

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

    CAS:
    Formula:C30H30N10O12S4
    Color and Shape:Off-White Solid
    Molecular weight:850.87

    Ref: 4Z-C-106014

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    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
  • Desbutyl Lumefantrine

    CAS:
    Formula:C26H24Cl3NO
    Color and Shape:Pale Yellow Solid
    Molecular weight:472.85

    Ref: 4Z-L-294

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
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  • Posaconazole Impurity 46

    CAS:
    Formula:C36H40F2N8O5
    Color and Shape:White To Off-White Solid
    Molecular weight:702.76

    Ref: 4Z-P-386

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Tiamulin EP Impurity B

    CAS:
    Formula:C13H21NS
    Color and Shape:Pale Yellow Oil
    Molecular weight:223.38

    Ref: 4Z-T-948

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