7-Amino-3-chloro-3-cephem-4-carboxylic acid

7-氨基-3-氯-3-头孢环-4-羧酸

Also known as: 7-Amino-3-chlorocephalosporanic acid, 3-Chloro-7-amino-3-cephem-4-carboxylic acid, (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-ACCA, Cefaclor Impurity B, (6R-trans)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

7-Amino-3-chloro-3-cephem-4-carboxylic acid (CAS 53994-69-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7ClN2O3S and a molecular weight of 234.660 g/mol. It is also known as 7-Amino-3-chlorocephalosporanic acid, 3-Chloro-7-amino-3-cephem-4-carboxylic acid and (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Key properties include a melting point of >180°C (分解), a boiling point of 498.9±45.0 °C at 760 mmHg, a density of 1.81g/cm3 and a flash point of 255.5±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53994-69-7

Jingsj CID

J-1971416-9

Molecular Formula

C₇H₇ClN₂O₃S

Chinese Name

7-氨基-3-氯-3-头孢环-4-羧酸

Molecular Weight

234.660 g/mol

Category

Organic Acids

Last updated

8/21/2026