(6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; 3-Chloro-7-amino-3-cephem-4-carboxylic Acid; (6R-trans)-7-amino-3-chloro-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;7-Amino-3-chlorocephalosporanic Acid; Cefaclor EP Impurity E; Cefaclor EP Impurity B
杂质:
Cefaclor EP Impurity B
CAS号:
53994-69-7
分子式:
C₇H₇ClN₂O₃S
状态：
淡黄色固体
熔点：
>180°C (dec.)
分子量:
234.66
储存：
-20ËšC Freezer, Under Inert Atmosphere
溶解性:
Aqueous Acid
类别:
Building Blocks; Chiral Molecules; Pharmaceutical/API Drug Impurities/Metabolites; Semi-Synthetic;
应用:
7-Amino-3-chloro-3-cephem-4-carboxylic Acid (Cefaclor EP Impurity B) is used as an intermediate in the preparation of semi-synthetic cephalosprin antibiotics (1) such as cefachlor (2).
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