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3-Methyl cefdinir

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3-Methyl cefdinir Basic information

Product Name:
3-Methyl cefdinir
Synonyms:
  • Cefdinir IMpurity 1
  • (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic aci
  • 3-Desethenyl-3-methyl Cefdinir
  • (6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefdinir 3-Methyl Impurity (USP)
  • Cefdinir Impurity 1(3-Methyl)
  • Cefdinir Impurity G: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid(3-Desethenyl-3-methyl Cefdinir)
  • (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS:
71091-93-5
MF:
C13H13N5O5S2
MW:
383.4
Mol File:
71091-93-5.mol
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3-Methyl cefdinir Chemical Properties

Melting point:
177-182 °C (decomp)
Density 
1.99±0.1 g/cm3(Predicted)
pka
3.13±0.50(Predicted)
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3-Methyl cefdinir Usage And Synthesis

Uses

3-Desethenyl-3-methyl Cefdinir (Cefdinir EP Impurity G; Cefdinir 3-Methyl Impurity (USP)) is an impurity of Cefdinir (C242670); a cephalosporin antibiotic structurally similar to Cefixime (C242800).

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