Cefdinir

Cefdinir is an oral third-generation cephalosporin with enhanced Gram-positive and Gram-negative coverage, widely used for community-acquired respiratory, skin and ear infections, particularly in paediatric practice. Simson Pharma's Cefdinir reference standard and impurities support high-volume compendial testing for this commonly prescribed paediatric antibiotic.

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

Cefdinir
Cefdinir
  • CAT. No.C520000
  • CAS. No.91832-40-5
  • Mol. F.C14H13N5O5S2
  • Mol. W.395.41 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Sulfoxide
Cefdinir Sulfoxide
  • CAT. No.C520001
  • CAS. No.934986-48-8
  • Mol. F.C14H13N5O6S2
  • Mol. W.411.41 g/mol
  • Stock Status:Instock
Product View
Product Compare
3-Methyl cefdinir
3-Methyl cefdinir
  • CAT. No.C520002
  • CAS. No.71091-93-5
  • Mol. F.C13H13N5O5S2
  • Mol. W.383.41 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir (E)-Isomer
Cefdinir (E)-Isomer
  • CAT. No.C520003
  • CAS. No.178601-88-2
  • Mol. F.C14H13N5O5S2
  • Mol. W.395.41 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Impurity L
Cefdinir Impurity L
  • CAT. No.C520004
  • CAS. No.1450758-24-3
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.43 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Related Compound B
Cefdinir Related Compound B
  • CAT. No.C520005
  • CAS. No.79350-10-0
  • Mol. F.C14H14N4O4S2
  • Mol. W.366.42 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Related Compound A
Cefdinir Related Compound A
  • CAT. No.C520006
  • CAS. No.178422-42-9
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.42 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Related Compound A Sodium
Cefdinir Related Compound A Sodium
  • CAT. No.C520006A
  • CAS. No.free acid: 178422-42-9
  • Mol. F.C14H14N5NaO6S2
  • Mol. W.435.41 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
(E)-Cefdinir
(E)-Cefdinir
  • CAT. No.C520007
  • CAS. No.178601-88-2
  • Mol. F.C14H13N5O5S2
  • Mol. W.395.41 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Lactone
Cefdinir Lactone
  • CAT. No.C520008
  • CAS. No.946573-41-7
  • Mol. F.C14H13N5O5S2
  • Mol. W.395.41 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Glyoxalic Analog
Cefdinir Glyoxalic Analog
  • CAT. No.C520009
  • CAS. No.79350-14-4
  • Mol. F.C14H12N4O5S2
  • Mol. W.380.40 g/mol
  • Stock Status:Limited Stock
Product View
Product Compare
Cefdinir Thiazolylacetyl Glycine Oxime Impurity
Cefdinir Thiazolylacetyl Glycine Oxime Impurity
  • CAT. No.C520010
  • CAS. No.178949-03-6
  • Mol. F.C7H8N4O4S
  • Mol. W.244.23 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Decarboxy Open Ring Lactone Dihydrochloride
Cefdinir Decarboxy Open Ring Lactone Dihydrochloride
  • CAT. No.C520011
  • CAS. No.178949-04-7(Free base)
  • Mol. F.C13H15N5O4S2.2HCl
  • Mol. W.442.34 g/mol
  • Stock Status:Under Synthesis
Product View
Product Compare
Cefdinir Decarboxy Open Ring Lactone
Cefdinir Decarboxy Open Ring Lactone
  • CAT. No.C520011A
  • CAS. No.178949-04-7
  • Mol. F.C13H15N5O4S2
  • Mol. W.369.42 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Isoxazole Analog
Cefdinir Isoxazole Analog
  • CAT. No.C520012
  • CAS. No.1356842-10-8
  • Mol. F.C13H11N3O6S
  • Mol. W.337.31 g/mol
  • Stock Status:Under Synthesis
Product View
Product Compare
Cefdinir 7-Epimer
Cefdinir 7-Epimer
  • CAT. No.C520014
  • CAS. No.178601-89-3
  • Mol. F.C14H13N5O5S2
  • Mol. W.395.42 g/mol
  • Stock Status:Under Synthesis
Product View
Product Compare
N-Acetyl Cefdinir
N-Acetyl Cefdinir
  • CAT. No.C520015
  • CAS. No.NA
  • Mol. F.C16H15N5O6S2
  • Mol. W.437.45 g/mol
  • Stock Status:Under Synthesis
Product View
Product Compare
(Benzothiazol-2-yl)-(Z)-2-trityloxyimino-2-(2-aminothiazole-4-yl)-thioacetate
(Benzothiazol-2-yl)-(Z)-2-trityloxyimino-2-(2-aminothiazole-4-yl)-thioacetate
  • CAT. No.C520016
  • CAS. No.143183-03-3
  • Mol. F.C31H22N4O2S3
  • Mol. W.578.73 g/mol
  • Stock Status:Instock
Product View
Product Compare
2-(2-Aminothiazol-4-yl)-2-oxoacetic acid
2-(2-Aminothiazol-4-yl)-2-oxoacetic acid
  • CAT. No.C520017
  • CAS. No.73150-67-1
  • Mol. F.C5H4N2O3S
  • Mol. W.172.16 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Thiazine Analog
Cefdinir Thiazine Analog
  • CAT. No.C520018
  • CAS. No.178422-39-4
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.43 g/mol
  • Stock Status:Instock
Product View
Product Compare
O-Acetyl Cefdinir
O-Acetyl Cefdinir
  • CAT. No.C520019
  • CAS. No.127770-93-8
  • Mol. F.C16H15N5O6S2
  • Mol. W.437.45 g/mol
  • Stock Status:Instock
Product View
Product Compare
Thiazolyl acetyl glycine oxime acetal(Mixture of Tautomers)
Thiazolyl acetyl glycine oxime acetal(Mixture of Tautomers)
  • CAT. No.C520020
  • CAS. No.NA
  • Mol. F.C14H18N8O7S2
  • Mol. W.474.47 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Thiazolylacetyl Glycine Oxime Acetal Impurity
Cefdinir Thiazolylacetyl Glycine Oxime Acetal Impurity
  • CAT. No.C520021
  • CAS. No.178422-40-7
  • Mol. F.C7H10N4O4S
  • Mol. W.246.24 g/mol
  • Stock Status:Instock
Product View
Product Compare
Cefdinir Impurity K
Cefdinir Impurity K
  • CAT. No.C520022
  • CAS. No.NA
  • Mol. F.C14H15N5O6S2
  • Mol. W.413.43 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
(Z)-2-(2-Aminothiazol-4-yl)-2-((trityloxy)imino)acetic Acid
(Z)-2-(2-Aminothiazol-4-yl)-2-((trityloxy)imino)acetic Acid
  • CAT. No.C520023
  • CAS. No.128438-01-7
  • Mol. F.C24H19N3O3S
  • Mol. W.429.49 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Impurity 1
Cefdinir Impurity 1
  • CAT. No.C520024
  • CAS. No.84080-68-2
  • Mol. F.C11H17NO6
  • Mol. W.259.26 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Cefdinir Impurity 2
Cefdinir Impurity 2
  • CAT. No.C520025
  • CAS. No.2098315-12-7
  • Mol. F.C9H14N4O4S
  • Mol. W.274.30 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare

Isotope Labelled Compounds

Cefdinir-15N2,13C
Cefdinir-15N2,13C
  • CAT. No.C520013
  • CAS. No.NA
  • Mol. F.C1313CH13N315N2O5S2
  • Mol. W.398.39 g/mol
  • Stock Status:Under Synthesis
Product View
Product Compare