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3-Methyl cefdinir

3-Methyl cefdinir Structure
CAS No.
71091-93-5
Chemical Name:
3-Methyl cefdinir
Synonyms
Cefdinir IMpurity 1;Cefdinir CP Impurity G;Cefdinir 3-Methyl Impurity;Cefdinir Impurity 1(3-Methyl);3-Desethenyl-3-methyl Cefdinir;Cefdinir 3-Methyl Impurity (USP);Cefdinir Impurity 1 (Impurity G);Cefdinir Impurity G(CP),3-Methyl Cefdinir;Cefdinir Impurity 1(3-Methyl) (Cefdinir CP Impurity G);Cefdinir Impurity 1(3-Methyl Cefdinir) (Cefdinir CP Impurity G)
CBNumber:
CB32614172
Molecular Formula:
C13H13N5O5S2
Molecular Weight:
383.4
MOL File:
71091-93-5.mol
Modify Date:
2022/12/21 16:56:50

3-Methyl cefdinir Properties

Melting point 177-182 °C (decomp)
Density 1.99±0.1 g/cm3(Predicted)
pka 3.13±0.50(Predicted)

3-Methyl cefdinir Chemical Properties,Uses,Production

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).

3-Methyl cefdinir Preparation Products And Raw materials

Raw materials

Preparation Products

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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 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-3-methyl-8-oxo-, (6R,7R)- Cefdinir Impurity 1(3-Methyl) (Cefdinir CP Impurity G) Cefdinir Impurity 1 (Impurity G) Cefdinir Impurity G(CP),3-Methyl Cefdinir Cefdinir CP Impurity G (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 Impurity) Cefdinir Impurity 1(3-Methyl Cefdinir) (Cefdinir CP Impurity G) Cefdinir 3-Methyl Impurity 71091-93-5