Cefotaxime

Cefotaxime is a third-generation parenteral cephalosporin with extended Gram-negative activity and good CNS penetration, used for meningitis, septicaemia and serious hospital-acquired infections. Simson Pharma's Cefotaxime reference standard and impurities support comprehensive stability-indicating testing for this critical-care antibiotic.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Cefotaxime Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Cefotaxime Sodium
Cefotaxime Sodium
  • CAT. No.C300000
  • CAS. No.64485-93-4
  • Mol. F.C16H16N5NaO7S2
  • Mol. W.477.45 g/mol
  • Stock Status:Instock
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Cefotaxime Acid
Cefotaxime Acid
  • CAT. No.C300000A
  • CAS. No.63527-52-6
  • Mol. F.C16H17N5O7S2
  • Mol. W.455.47 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime Sodium EP Impurity A
Cefotaxime Sodium EP Impurity A
  • CAT. No.C300001
  • CAS. No.65052-63-3
  • Mol. F.C14H15N5O5S2
  • Mol. W.397.43 g/mol
  • Stock Status:Limited Stock
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Cefotaxime Sodium EP Impurity B
Cefotaxime Sodium EP Impurity B
  • CAT. No.C300002
  • CAS. No.66340-28-1
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.43 g/mol
  • Stock Status:Limited Stock
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3-Desacetyl Cefotaxime Potassium Salt
3-Desacetyl Cefotaxime Potassium Salt
  • CAT. No.C300002A
  • CAS. No.66340-28-1
  • Mol. F.C14H14KN5O6S2
  • Mol. W.451.52 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime Sodium EP Impurity C
Cefotaxime Sodium EP Impurity C
  • CAT. No.C300003
  • CAS. No.66403-32-5
  • Mol. F.C17H17N5O8S2
  • Mol. W.483.48 g/mol
  • Stock Status:Instock
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Cefotaxime Dimer
Cefotaxime Dimer
  • CAT. No.C300005
  • CAS. No.NA
  • Mol. F.C30H30N10O12S4
  • Mol. W.850.88 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime EP Impurity D Sodium
Cefotaxime EP Impurity D Sodium
  • CAT. No.C300007
  • CAS. No.65715-12-0
  • Mol. F.C16H16N5O7S2.Na
  • Mol. W.477.45 g/mol
  • Stock Status:Instock
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Cefotaxime Open Ring Lactone
Cefotaxime Open Ring Lactone
  • CAT. No.C300008
  • CAS. No.75679-12-8
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.43 g/mol
  • Stock Status:Instock
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Cefotaxime Bromoacetyl Analog
Cefotaxime Bromoacetyl Analog
  • CAT. No.C300009
  • CAS. No.83305-12-8
  • Mol. F.C15H16BrN3O8S
  • Mol. W.478.28 g/mol
  • Stock Status:Under Synthesis
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Cefotaxime Sodium Impurity F
Cefotaxime Sodium Impurity F
  • CAT. No.C300010
  • CAS. No.175032-97-0
  • Mol. F.C30H30N10O12S4
  • Mol. W.850.88 g/mol
  • Stock Status:Instock
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Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate
Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate
  • CAT. No.C300011
  • CAS. No.66340-85-0
  • Mol. F.C6H8BrNO4
  • Mol. W.238.04 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime Sodium EP Impurity G
Cefotaxime Sodium EP Impurity G
  • CAT. No.C300012
  • CAS. No.NA
  • Mol. F.C22H22N8O9S3
  • Mol. W.638.65 g/mol
  • Stock Status:Instock
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Cefotaxime Impurity 14
Cefotaxime Impurity 14
  • CAT. No.C300013
  • CAS. No.NA
  • Mol. F.C48H47N15O19S6
  • Mol. W.1330.37 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime Impurity 2
Cefotaxime Impurity 2
  • CAT. No.C300014
  • CAS. No.60845-87-6
  • Mol. F.C7H10BrNO4
  • Mol. W.250.98 g/mol
  • Stock Status:Custom Synthesis
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Cefotaxime Impurity 3
Cefotaxime Impurity 3
  • CAT. No.C300015
  • CAS. No.64485-87-6
  • Mol. F.C7H10ClNO4
  • Mol. W.207.61 g/mol
  • Stock Status:Custom Synthesis
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