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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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  • Ceftizoxime Impurity 10 HCl

    CAS:
    Formula:C9H11NO3·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:181.19 36.46

    Ref: 4Z-C-909

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ceftriaxone EP Impurity B (Cefotaxime EP Impurity E, Cefotaxime USP Related Compound E)

    CAS:
    Formula:C14H13N5O5S2
    Color and Shape:Off-White Solid
    Molecular weight:395.41

    Ref: 4Z-C-933

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cycloserine Impurity 11

    CAS:
    Formula:C9H18N2O4
    Color and Shape:Pale Yellow Solid
    Molecular weight:218.25

    Ref: 4Z-C-11312

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Lincomycin EP Impurity B (Mixture of Diastereomers)


    Formula:C18H32N2O6S
    Color and Shape:Pale Yellow Solid
    Molecular weight:404.52

    Ref: 4Z-L-093008

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

    CAS:
    Formula:C63H97N17O16S·2C2HF3O2
    Molecular weight:1380.63 3*114.02

    Ref: 4Z-PB-073011

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

    CAS:
    Formula:C16H17F2N3O3·HCl
    Color and Shape:Pale Yellow Solid
    Molecular weight:337.33 36.46

    Ref: 4Z-L-128007

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Florfenicol Amine-d5

    CAS:
    Formula:C10H9D5FNO3S
    Molecular weight:252.31

    Ref: 4Z-F-2319

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Imipenem Impurity 19 (Mixture of Diastereomers)

    CAS:
    Formula:C12H17N3O5S
    Molecular weight:315.34

    Ref: 4Z-I-3625

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Clindamycin 4-Palmitate


    Formula:C34H63ClN2O6S
    Molecular weight:663.40

    Ref: 4Z-C-5028

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

    CAS:
    <p>Meloxicillin: a liver-excreted penicillin effective against Gram-negative and some Gram-positive bacteria; treats biliary infections.</p>
    Formula:C21H25N5O8S2
    Color and Shape:Solid
    Molecular weight:539.58
  • Nemadectin Impurity 1

    CAS:
    Formula:C36H50O8
    Color and Shape:Off-White Solid
    Molecular weight:610.79

    Ref: 4Z-N-074002

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Cefprozil (Mixture of Z and E Isomers)

    CAS:
    Formula:C18H19N3O5S
    Color and Shape:Pale Yellow Solid
    Molecular weight:389.43

    Ref: 4Z-C-127019

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

    CAS:
    Formula:C14H18N2O6
    Molecular weight:310.31

    Ref: 4Z-C-274001

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

    CAS:
    Formula:C37H67NO13·CHNS
    Molecular weight:733.94 59.09

    Ref: 4Z-E-2061

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • Azithromycin Impurity 2


    Formula:C38H70N2O14
    Color and Shape:White To Off-White Solid
    Molecular weight:778.98

    Ref: 4Z-A-2623

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

    CAS:
    Formula:C19H21ClFN3O3·HCl
    Color and Shape:Pale Yellow Solid
    Molecular weight:393.84 36.46

    Ref: 4Z-B-100009

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

    CAS:
    Formula:C17H18F3N3O3
    Color and Shape:White To Off-White Solid
    Molecular weight:369.35

    Ref: 4Z-F-120001

    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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  • Mupirocin EP Impurity B

    CAS:
    Formula:C26H44O8
    Color and Shape:Pale Yellow Solid
    Molecular weight:484.63

    Ref: 4Z-M-186

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