7-Amino-3-chloro cephalosporanic acid

Modify Date: 2024-01-02 12:59:29

7-Amino-3-chloro cephalosporanic acid Structure
7-Amino-3-chloro cephalosporanic acid structure
Common Name 7-Amino-3-chloro cephalosporanic acid
CAS Number 53994-69-7 Molecular Weight 234.660
Density 1.81g/cm3 Boiling Point 498.9±45.0 °C at 760 mmHg
Molecular Formula C7H7ClN2O3S Melting Point >180°C (分解)
MSDS N/A Flash Point 255.5±28.7 °C

 Use of 7-Amino-3-chloro cephalosporanic acid


7-Amino-3-chloro cephalosporanic acid (7-ACCA) is an important intermediate for the synthesis of the second generation cephalosporins Cefaclor (HY-B0198)[1].

 Names

Name 7-Amino-3-chloro-3-cephem-4-carboxylic acid
Synonym More Synonyms

 7-Amino-3-chloro cephalosporanic acid Biological Activity

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
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.

 Chemical & Physical Properties

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

 Safety Information

Hazard Codes Xi
HS Code 2934996000

 Precursor & DownStream

Precursor  0

DownStream  1

 Customs

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

 Synonyms

7-Amino-3-chlorocephalosporanic Acid
5-Thia-1-azabicyclo[4.2.0]oct-2-en-7-aminium, 2-carboxy-3-chloro-8-oxo-, inner salt, (6R,7R)-
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
MFCD03650764
(6R,7R)-7-Ammonio-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(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
7-ACCA
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Price: ¥151/250mg

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