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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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  • Tazobactam Acid Impurity 13

    CAS:
    Formula:C23H22N4O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:466.51

    Ref: 4Z-T-127022

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


    Formula:C15H23N5O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:401.44 36.46

    Ref: 4Z-A-108030

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Ivermectin EP Impurity C (Avermectin B2a)

    CAS:
    Formula:C48H74O15
    Color and Shape:White To Off-White Solid
    Molecular weight:891.11

    Ref: 4Z-I-077009

    5mg
    To inquire
    10mg
    7,280.00€
    25mg
    13,347.00€
    50mg
    21,840.00€
    100mg
    To inquire
  • Ceftazidime Impurity 1

    CAS:
    Formula:C13H19N3O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:329.37

    Ref: 4Z-C-10512

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • Cephalexin Dimer


    Formula:C32H32N6O7S2
    Color and Shape:White To Off-White Solid
    Molecular weight:676.76

    Ref: 4Z-C-477

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Erythromycin A (6,9-Imino Ether)

    CAS:
    Formula:C37H66N2O12
    Color and Shape:White To Off-White Solid
    Molecular weight:730.94

    Ref: 4Z-E-207

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cefamandole Impurity 27-d5


    Formula:C16H10D5N5O5S
    Molecular weight:394.42

    Ref: 4Z-C-162036

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

    CAS:
    Formula:C8H18N2O4
    Molecular weight:206.24

    Ref: 4Z-S-515

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


    Formula:C17H9ClF8N2O3
    Molecular weight:476.71

    Ref: 4Z-L-111003

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    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
  • Avibactam Impurity 28

    CAS:
    Formula:C14H17N3O3
    Molecular weight:275.31

    Ref: 4Z-A-192029

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


    Formula:C52H87N11O16·2C2HF3O2
    Molecular weight:1122.33 2*114.02

    Ref: 4Z-PC-155043

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    8,362.00€
  • Cefalotin EP Impurity A

    CAS:
    Formula:C14H14N2O4S2
    Color and Shape:Off-White Solid
    Molecular weight:338.40

    Ref: 4Z-C-229005

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Gatifloxacin Impurity 3 HCl (Desethylene Gatifloxacin HCl)

    CAS:
    Formula:C17H20FN3O4·HCl
    Color and Shape:Off-White Solid
    Molecular weight:349.37 36.46

    Ref: 4Z-G-343

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    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
  • 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
    To inquire
  • Thiamphenicol Amine HCl

    CAS:
    Formula:C10H15NO4S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:245.30 36.46

    Ref: 4Z-T-613

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • Roxithromycin Impurity 13-d7


    Formula:C41H69D7N2O14
    Molecular weight:828.10

    Ref: 4Z-R-7426

    5mg
    To inquire
    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Lincomycin 3,4-Phosphate


    Formula:C18H33N2O8PS
    Color and Shape:White To Off-White Solid
    Molecular weight:468.50

    Ref: 4Z-L-093014

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Ertapenem Impurity Pro-maba

    CAS:
    Formula:C12H14N2O3
    Color and Shape:White To Off-White Solid
    Molecular weight:234.26

    Ref: 4Z-E-071006

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

    CAS:
    Formula:C14H13FN2O4
    Color and Shape:Off-White Solid
    Molecular weight:292.27

    Ref: 4Z-M-2713

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Clindamycin Impurity 30

    CAS:
    Formula:C18H35N2O9PS
    Color and Shape:White To Off-White Solid
    Molecular weight:486.52

    Ref: 4Z-C-5082

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Cefazolin EP Impurity H (Cefalotin EP Impurity C, Cefoperazone EP Impurity E, 7-Aminocephalosporanic Acid)

    CAS:
    Formula:C10H12N2O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:272.28

    Ref: 4Z-C-9619

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cefmetazole Impurity 47


    Formula:C15H17N7O5S3
    Color and Shape:White To Off-White Solid
    Molecular weight:471.53

    Ref: 4Z-C-126005

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Doripenem Impurity 18

    CAS:
    Formula:C10H17NO4S
    Molecular weight:247.31

    Ref: 4Z-D-5728

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Aztreonam USP Related Compound E ((E)-Aztreonam)

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

    Ref: 4Z-A-108004

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    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
  • N-Nitroso Clarithromycin EP Impurity D


    Formula:C37H66N2O14
    Molecular weight:762.94

    Ref: 4Z-C-3725

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

    CAS:
    Formula:C33H47NO13
    Molecular weight:665.73

    Ref: 4Z-N-158001

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    100mg
    To inquire
  • Moxifloxacin EP Impurity G-d4 HCl (ent-Moxifloxacin-d4 HCl)

    CAS:
    Formula:C21H20D4FN3O4·HCl
    Color and Shape:Yellow Solid
    Molecular weight:405.46 36.46

    Ref: 4Z-M-2779

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


    Formula:C44H48F2N8O4
    Color and Shape:White To Off-White Solid
    Molecular weight:790.92

    Ref: 4Z-P-3882

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Faropenem Impurity 7-d7

    CAS:
    Formula:C21H26D7NO5SSi
    Molecular weight:446.68

    Ref: 4Z-F-087054

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Posaconazole Diastereoisomer 5 (S,R,R,S)

    CAS:
    Formula:C37H42F2N8O4
    Color and Shape:White To Off-White Solid
    Molecular weight:700.80

    Ref: 4Z-P-3814

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Azithromycin EP Impurity F (Azithromycin USP Related Compound F)

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

    Ref: 4Z-A-269

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


    Formula:C12H19N5O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:329.38

    Ref: 4Z-C-264003

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Faropenem Sodium Salt

    CAS:
    Formula:C12H14NO5S·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:284.31 22.99

    Ref: 4Z-F-087015

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    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
  • Sparfloxacin Impurity 4 Sodium Salt

    CAS:
    Formula:C19H23F2N4O3·Na
    Color and Shape:Yellow Solid
    Molecular weight:393.42 22.99

    Ref: 4Z-S-075

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

    CAS:
    Formula:C6H13N3O5S
    Molecular weight:239.25

    Ref: 4Z-A-192002

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    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
  • Polymyxin B6 Pentatrifluoroacetate (Mixture of Diastereomers)

    CAS:
    Formula:C56H98N16O14·5C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:1219.50 5*114.02

    Ref: 4Z-PP-321005

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

    CAS:
    Formula:C44H48F2N8O4
    Color and Shape:White To Off-White Solid
    Molecular weight:790.92

    Ref: 4Z-P-3876

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

    CAS:
    Formula:C38H67NO12
    Color and Shape:White To Off-White Solid
    Molecular weight:729.95

    Ref: 4Z-C-3714

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


    Formula:C15H17N5O6S2
    Color and Shape:Pale Yellow Solid
    Molecular weight:427.45

    Ref: 4Z-C-916

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


    Formula:C17H19N3O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:393.41

    Ref: 4Z-C-127016

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • N-Desmethyl Dirithromycin

    CAS:
    Formula:C41H76N2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:821.06

    Ref: 4Z-D-106008

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

    CAS:
    Formula:C37H53NO8
    Color and Shape:White To Off-White Solid
    Molecular weight:639.84

    Ref: 4Z-M-592

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    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
  • 11-Dehydroxy Erythromycin A

    CAS:
    Formula:C37H65NO12
    Molecular weight:715.92

    Ref: 4Z-E-2046

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Griseofulvin-d3

    CAS:
    Formula:C17H14D3ClO6
    Color and Shape:White To Off-White Solid
    Molecular weight:355.79

    Ref: 4Z-G-081

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Omacetaxine Mepesuccinate (Homoharringtonine)

    CAS:
    Formula:C29H39NO9
    Color and Shape:White To Off-White Solid
    Molecular weight:545.63

    Ref: 4Z-O-027001

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Ref: 4Z-O-1612

    5mg
    To inquire
    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Cefazedone Impurity 12

    CAS:
    Formula:C8H8N2O3S
    Color and Shape:Off-White Solid
    Molecular weight:212.22

    Ref: 4Z-C-108013

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

    CAS:
    Formula:C12H13BrN2O6S
    Color and Shape:White To Off-White Solid
    Molecular weight:393.22

    Ref: 4Z-C-11607

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Tazobactam Acid Impurity 14

    CAS:
    Formula:C21H20N4O5S
    Molecular weight:440.47

    Ref: 4Z-T-127023

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    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
  • Rolitetracycline Trifluoroacetate

    CAS:
    Formula:C27H33N3O8·C2HF3O2
    Color and Shape:Yellow Solid
    Molecular weight:527.57 114.02

    Ref: 4Z-T-4013

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    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
  • 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
  • Tiamulin EP Impurity I Trifluoroacetate


    Formula:C32H51NO8S·C2HF3O2
    Molecular weight:609.82 114.02

    Ref: 4Z-T-9412

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    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
  • Ampicillin EP Impurity B-d5 (L-Ampicillin-d5)

    CAS:
    Formula:C16H14D5N3O4S
    Molecular weight:354.44

    Ref: 4Z-A-6637

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • 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
  • 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
  • 3-Hydroxy Azithromycinoic Acid

    CAS:
    Formula:C30H60N2O10
    Color and Shape:White To Off-White Solid
    Molecular weight:608.81

    Ref: 4Z-A-2621

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


    Formula:C21H34ClN3O9
    Molecular weight:507.97

    Ref: 4Z-L-0755

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    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
  • Ref: 4Z-C-313005

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Cefixime EP Impurity E

    CAS:
    Formula:C15H15N5O7S2
    Color and Shape:White To Off-White Solid
    Molecular weight:441.43

    Ref: 4Z-C-919

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Terbinafine-d7 HCl

    CAS:
    Formula:C21H18D7N·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:298.48 36.46

    Ref: 4Z-T-542

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Cefradine EP Impurity E Trifluoroacetate

    CAS:
    Formula:C16H17N3O5S·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:363.39 114.02

    Ref: 4Z-C-120003

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Amoxicillin Impurity 16 Disodium Salt (Mixture of Diastereomers)


    Formula:C24H29N5O8S2·2Na
    Molecular weight:579.64 2*22.99

    Ref: 4Z-A-2315

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Clarithromycin Impurity 14 (Mixture of Z and E Isomers)


    Formula:C49H94N2O13Si2
    Molecular weight:975.46

    Ref: 4Z-C-3736

    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
  • 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
  • Cefpodoxime Proxetil Impurity 4 (Mixture of Diastereomers)


    Formula:C23H29N5O11S2
    Color and Shape:White To Off-White Solid
    Molecular weight:615.63

    Ref: 4Z-C-8516

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    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
  • Posaconazole Diastereoisomer 2 (R,S,R,R)

    CAS:
    Formula:C37H42F2N8O4
    Color and Shape:White To Off-White Solid
    Molecular weight:700.80

    Ref: 4Z-P-3811

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Ozenoxacin Impurity 14


    Formula:C20H21N3O
    Molecular weight:319.41

    Ref: 4Z-O-061015

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    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
  • Neomycin B Trisulfate (Framycetin Trisulfate)

    CAS:
    Formula:C23H46N6O13·3H2SO4
    Color and Shape:Off-White Solid
    Molecular weight:614.65 3*98.08

    Ref: 4Z-N-080009

    1g
    8,369.00€
    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Ascomycin (Tacrolimus EP Impurity A)

    CAS:
    Formula:C43H69NO12
    Color and Shape:White To Off-White Solid
    Molecular weight:792.02

    Ref: 4Z-A-451

    5mg
    To inquire
    10mg
    349.00€
    25mg
    444.00€
    50mg
    635.00€
    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
  • Polymyxin B1-d7 Pentatrifluoroacetate


    Formula:C56H91D7N16O13·5C2HF3O2
    Molecular weight:1210.54 5*114.02

    Ref: 4Z-PP-321020

    5mg
    5,835.00€
    10mg
    9,707.00€
    25mg
    16,987.00€
    50mg
    26,693.00€
    100mg
    To inquire
  • Cephalosporin Impurity 7

    CAS:
    Formula:C24H22Cl2N2O5S
    Color and Shape:Off-White Solid
    Molecular weight:521.41

    Ref: 4Z-C-240009

    5mg
    To inquire
    10mg
    825.00€
    25mg
    1,335.00€
    50mg
    2,245.00€
    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
  • Linezolid Impurity 28

    CAS:
    Formula:C10H13FN2O
    Color and Shape:Purplish Red Solid
    Molecular weight:196.23

    Ref: 4Z-L-0747

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • (4S,7R)-Moxifloxacin Impurity 83 DiHCl

    CAS:
    Formula:C7H14N2·2HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:126.20 2*36.46

    Ref: 4Z-M-2723

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Clindamycin Phosphate EP Impurity B (Clindamycin B 2-Phosphate)

    CAS:
    Formula:C17H32ClN2O8PS
    Molecular weight:490.93

    Ref: 4Z-C-5024

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    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
  • Terbinafine EP Impurity C (Terbinafine USP Related Compound C (Free Form))

    CAS:
    Formula:C21H25N
    Color and Shape:White To Off-White Solid
    Molecular weight:291.44

    Ref: 4Z-T-546

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • D-Penicillamine-d3

    CAS:
    Formula:C5H8D3NO2S
    Color and Shape:White To Off-White Solid
    Molecular weight:152.23

    Ref: 4Z-P-892

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • N-Nitroso 9-Monodemethyl Minocycline

    CAS:
    Formula:C22H24N4O8
    Molecular weight:472.45

    Ref: 4Z-M-3443

    5mg
    To inquire
    10mg
    3,155.00€
    25mg
    5,824.00€
    50mg
    9,646.00€
    100mg
    To inquire
  • Posaconazole Impurity 43

    CAS:
    Formula:C32H32F2N8O3
    Color and Shape:Off-White Solid
    Molecular weight:614.66

    Ref: 4Z-P-3872

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

    CAS:
    Formula:C18H18N6O5S2
    Color and Shape:Off-White Solid
    Molecular weight:462.50

    Ref: 4Z-C-162011

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