CymitQuimica logo
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 6347 products of "Natural and semi-synthetic antibiotics"

Sort by

Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
products per page.
  • Cloxacillin Impurity 4 Disodium Salt


    Formula:C19H18ClN3O4S3·2Na
    Molecular weight:484.00 2*22.99

    Ref: 4Z-C-191022

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Aztreonam Impurity 8


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

    Ref: 4Z-A-108016

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

    CAS:
    Formula:C17H17FN4O4
    Molecular weight:360.35

    Ref: 4Z-C-0828

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Lincomycin Impurity 2 HCl

    CAS:
    Formula:C8H15NO2·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:157.21 36.46

    Ref: 4Z-L-093023

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

    CAS:
    Formula:C42H78N2O14
    Molecular weight:835.09

    Ref: 4Z-E-2051

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    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
  • 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
  • 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
  • Ampicillin Impurity 8


    Formula:C24H29N5O6S2
    Color and Shape:White To Off-White Solid
    Molecular weight:547.65

    Ref: 4Z-A-6623

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    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
  • 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
  • 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
  • Azamulin

    CAS:
    Formula:C24H38N4O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:478.65

    Ref: 4Z-A-117001

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    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
  • 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
  • Ampicillin EP Impurity M Trisodium Salt (Ampicillin Trimer Trisodium Salt)

    CAS:
    Formula:C48H54N9O12S3·3Na
    Color and Shape:White To Off-White Solid
    Molecular weight:1045.19 3*22.99

    Ref: 4Z-A-6615

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


    Formula:C41H64N2O11
    Molecular weight:760.97

    Ref: 4Z-S-088013

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

    CAS:
    Formula:C41H71N3O8
    Color and Shape:Off-White Solid
    Molecular weight:734.03

    Ref: 4Z-T-227001

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