CAS 108691-83-4|7-epi-Cefixime

Introduction：Basic information about CAS 108691-83-4|7-epi-Cefixime, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Synonyms

Common Name	7-epi-Cefixime
CAS Number	108691-83-4	Molecular Weight	453.450
Density	1.9±0.1 g/cm3	Boiling Point	/
Molecular Formula	C₁₆H₁₅N₅O₇S₂	Melting Point	/
MSDS	/	Flash Point	/

Names

Name	(6R,7S)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.9±0.1 g/cm3
Molecular Formula	C₁₆H₁₅N₅O₇S₂
Molecular Weight	453.450
Exact Mass	453.041290
PSA	242.27000
LogP	1.00
Index of Refraction	1.811
InChIKey	OKBVVJOGVLARMR-WVIRHPHLSA-N
SMILES	C=CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(=NOCC(=O)O)c3csc(N)n3)C2SC1

Synonyms

7-epi-Cefixime

Cefixime EP Impurity C

[6R-[6|A,7|A(Z)]]-7-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

(6R,7S)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-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-[(carboxymethoxy)imino]-1-oxoethyl]amino]-3-ethenyl-8-oxo-, (6R,7S)-

Cefixime 7-Epimer

(6R,7S)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl}amino)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefixime Impurity 1

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