Cefixime

Cefixime is an oral third-generation cephalosporin with excellent Gram-negative activity used for respiratory, urinary and gonococcal infections, and remains a WHO-recommended option for uncomplicated gonorrhoea. Simson Pharma's Cefixime reference standard and impurities support the high-volume compendial testing this widely prescribed generic cephalosporin demands.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Cefixime 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

Cefixime
Cefixime
  • CAT. No.C320000
  • CAS. No.125110-14-7
  • Mol. F.C16H21N5O10S2
  • Mol. W.507.50 g/mol
  • Stock Status:Instock
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Cefixime Trihydrate
Cefixime Trihydrate
  • CAT. No.C320000B
  • CAS. No.125110-14-7
  • Mol. F.C16H15N5O7S2.3H2O
  • Mol. W.507.50 g/mol
  • Stock Status:Instock
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Cefixime EP Impurity B
Cefixime EP Impurity B
  • CAT. No.C320001
  • CAS. No.1335475-19-8
  • Mol. F.C15H17N5O6S2
  • Mol. W.427.46 g/mol
  • Stock Status:Custom Synthesis
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Cefixime EP Impurity D
Cefixime EP Impurity D
  • CAT. No.C320002
  • CAS. No.97164-56-2
  • Mol. F.C16H15N5O7S2
  • Mol. W.453.45 g/mol
  • Stock Status:Limited Stock
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Cefixime EP Impurity E
Cefixime EP Impurity E
  • CAT. No.C320003
  • CAS. No.72701-01-0
  • Mol. F.C15H15N5O7S2
  • Mol. W.441.44 g/mol
  • Stock Status:Custom Synthesis
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Cefixime EP Impurity C
Cefixime EP Impurity C
  • CAT. No.C320004
  • CAS. No.108691-83-4
  • Mol. F.C16H15N5O7S2
  • Mol. W.453.45 g/mol
  • Stock Status:Instock
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Ceftriaxone Impurity 4
Ceftriaxone Impurity 4
  • CAT. No.C320005
  • CAS. No.149-30-4
  • Mol. F.C7H5NS2
  • Mol. W.167.25 g/mol
  • Stock Status:Instock
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7-Amino-3-vinyl-3-cephem-4-Carboxylic Acid
7-Amino-3-vinyl-3-cephem-4-Carboxylic Acid
  • CAT. No.C320006
  • CAS. No.79349-82-9
  • Mol. F.C9H10N2O3S
  • Mol. W.226.25 g/mol
  • Stock Status:Instock
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Cefixime Ethyl Ester Sodium Salt
Cefixime Ethyl Ester Sodium Salt
  • CAT. No.C320007
  • CAS. No.79368-95-9 (free base)
  • Mol. F.C18H18N5NaO7S2
  • Mol. W.503.48 g/mol
  • Stock Status:Custom Synthesis
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Cefixime EP Impurity A
Cefixime EP Impurity A
  • CAT. No.C320009
  • CAS. No.1614255-90-1
  • Mol. F.C16H17N5O8S2
  • Mol. W.471.46 g/mol
  • Stock Status:Under Synthesis
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Cefixime Impurity 1
Cefixime Impurity 1
  • CAT. No.C320010
  • CAS. No.80544-17-8
  • Mol. F.C8H9N3O5S
  • Mol. W.259.24 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Methyl Ester
Cefixime Methyl Ester
  • CAT. No.C320011
  • CAS. No.88621-01-06
  • Mol. F.C17H17N5O7S2
  • Mol. W.467.48 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Sulfone
Cefixime Sulfone
  • CAT. No.C320012
  • CAS. No.2682217-22-5
  • Mol. F.C16H15N5O9S2
  • Mol. W.485.45 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Sulfoxide
Cefixime Sulfoxide
  • CAT. No.C320013
  • CAS. No.1335555-87-7
  • Mol. F.C16H15N5O8S2
  • Mol. W.469.45 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Tert-Butyl Ester
Cefixime Tert-Butyl Ester
  • CAT. No.C320014
  • CAS. No.79368-92-6
  • Mol. F.C20H23N5O7S2
  • Mol. W.509.56 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Cefazoloic Acid Isomer
Cefixime Cefazoloic Acid Isomer
  • CAT. No.C320016
  • CAS. No.NA
  • Mol. F.C16H17N5O8S2
  • Mol. W.471.46 g/mol
  • Stock Status:Custom Synthesis
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N-Acetyl Cefixime
N-Acetyl Cefixime
  • CAT. No.C320017
  • CAS. No.130136-31-1
  • Mol. F.C18H17N5O8S2
  • Mol. W.495.49 g/mol
  • Stock Status:Custom Synthesis
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Cefixime
Cefixime
  • CAT. No.C320018
  • CAS. No.79350-37-1
  • Mol. F.C16H15N5O7S2
  • Mol. W.453.45 g/mol
  • Stock Status:Custom Synthesis
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N,O-Bis(trimethylsilyl)acetamide
N,O-Bis(trimethylsilyl)acetamide
  • CAT. No.C320019
  • CAS. No.10416-59-8
  • Mol. F.C8H21NOSi2
  • Mol. W.203.43 g/mol
  • Stock Status:Instock
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Cefixime EP Impurity F
Cefixime EP Impurity F
  • CAT. No.C320020
  • CAS. No.79368-95-9
  • Mol. F.C18H19N5O7S2
  • Mol. W.481.50 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Glucose Adduct Impurity
Cefixime Glucose Adduct Impurity
  • CAT. No.C320021
  • CAS. No.NA
  • Mol. F.C22H25N5O12S2
  • Mol. W.615.59 g/mol
  • Stock Status:Custom Synthesis
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N Nitroso Cefixime EP Impurity A
N Nitroso Cefixime EP Impurity A
  • CAT. No.C320022
  • CAS. No.NA
  • Mol. F.C16H16N6O9S2
  • Mol. W.500.46 g/mol
  • Stock Status:Custom Synthesis
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N Nitroso Cefixime EP Impurity B
N Nitroso Cefixime EP Impurity B
  • CAT. No.C320023
  • CAS. No.NA
  • Mol. F.C15H16N6O7S2
  • Mol. W.456.40 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Nitroso Impurity 1
Cefixime Nitroso Impurity 1
  • CAT. No.C320024
  • CAS. No.NA
  • Mol. F.C16H14N6O8S2
  • Mol. W.482.40 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Nitroso Impurity 2
Cefixime Nitroso Impurity 2
  • CAT. No.C320025
  • CAS. No.NA
  • Mol. F.C16H14N6O8S2
  • Mol. W.482.40 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Impurity 9
Cefixime Impurity 9
  • CAT. No.C320027
  • CAS. No.NA
  • Mol. F.C23H20N8O11S3
  • Mol. W.680.60 g/mol
  • Stock Status:Custom Synthesis
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Cefixime Impurity 2
Cefixime Impurity 2
  • CAT. No.C320028
  • CAS. No.NA
  • Mol. F.C8H9N3O5S
  • Mol. W.259.24 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

(13C3,15N2)-Cefixime
(13C3,15N2)-Cefixime
  • CAT. No.C320015
  • CAS. No.79350-37-1(Unlabelled)
  • Mol. F.C1313C3H15N315N2O7S2
  • Mol. W.456.43 g/mol
  • Stock Status:Under Synthesis
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Cefixime Methyl Ester 13C,15N2
Cefixime Methyl Ester 13C,15N2
  • CAT. No.C320026
  • CAS. No.NA
  • Mol. F.C1613CH17N315N2O7S2
  • Mol. W.470.40 g/mol
  • Stock Status:Custom Synthesis
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Cefixime-13C,15N2
Cefixime-13C,15N2
  • CAT. No.C320029
  • CAS. No.NA
  • Mol. F.C1513CH15N315N2O7S2
  • Mol. W.456.43 g/mol
  • Stock Status:Please Enquire
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