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53994-69-7

53994-69-7 structure

53994-69-7 structure

Name: 7-Amino-3-chloro cephalosporanic acid
Chemical Name: 7-Amino-3-chloro-3-cephem-4-carboxylic acid
CAS Number: 53994-69-7
Molecular Formula: C₇H₇ClN₂O₃S
Molecular Weight: 234.660
Catalog: API Antibiotics Cephalosporin
Create Date: 2019-01-01 13:38:29
Modify Date: 2026-06-30 19:43:11
7-Amino-3-chloro cephalosporanic acid (7-ACCA) is an important intermediate for the synthesis of the second generation cephalosporins Cefaclor (HY-B0198)[1].

Name	7-Amino-3-chloro-3-cephem-4-carboxylic acid
Synonyms	7-Amino-3-chloro chalosporanic acid //BP (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-ene-2-cboxylic acid 7-Amino-3-chlorocephalosporanic Acid 3-Chloro-7-amino-3-cephem-4-carboxylic Acid 3-Chloro-7β-aminocham-3-ene-4-cboxylic acid (6R-trans)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic Acid 7-AMINO-3-CHLORO CHALOSPORANIC ACID 7-ACC MFCD03650764 oro chaL 3-Chloro-7-amino-3-cheM-4-cboxylic Acid 7-amino-3-chloro-8-keto-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid 7-Amino-3-chL (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic 7-ACCA 7-AMINO-3-CHLORO-3-CHEM-4-CBOXYLIC ACID 7-Amino-3-Chloro Chalosporanic Acid（7-Acca） Cefaclor impurity 1/Cefaclor Impurity B/(6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid 7-AMINO-3-CHLORO-8-OXO-5-THIA-1-AZA-BICYCLO-[4.2.0]OCT-2-ENE-2-CBOXYLIC ACID (6R,7R)-7-Ammonio-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefaclor IMpurity B (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid EINECS 258-907-4 Cefaclor Impurity B ,7-ACCA 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid,7-amino-3-chloro-8-oxo-,(6R,7R) (6R,6β)-7α-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid 7-amino-3-coloro-3-chem-4-cboxylic acid 7-Amino-3-chloro-3-chem-4-cboxylicaci 7-ACCA impurity (6R-trans)-7-amino-3-chloro-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-cboxylic acid Cefaclor Impurity 2(Cefaclor Impurity B) 7-amino-3-chloro-8-oxo-,(6R,7R)-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylicacid osporanic acid 7-azanyl-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-cboxylic acid Cefaclor intermediate

Description	7-Amino-3-chloro cephalosporanic acid (7-ACCA) is an important intermediate for the synthesis of the second generation cephalosporins Cefaclor (HY-B0198)[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Xiaoling Wu, et al. Improving Biocatalysis of Cefaclor With Penicillin Acylase Immobilized on Magnetic Nanocrystalline Cellulose in Deep Eutectic Solvent Based Co-Solvent. Bioresour Technol. 2019 Sep;288:121548.

Density	1.81g/cm3
Boiling Point	498.9±45.0 °C at 760 mmHg
Melting Point	>180°C (分解)
Molecular Formula	C₇H₇ClN₂O₃S
Molecular Weight	234.660
Flash Point	255.5±28.7 °C
Exact Mass	233.986588
PSA	108.93000
LogP	-0.80
Vapour Pressure	0.0±2.7 mmHg at 25°C
Index of Refraction	1.735

Hazard Codes	Xi
HS Code	2934996000

Precursor 0
DownStream 1
53994-73-3

HS Code	2934996000
Summary	2934996000. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:6.0%. General tariff:20.0%

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