C7H7ClN2O3S
234.66 g/mol
APIDanger
(6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS53994-69-7EC258-907-4
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
This compound is a cephalosporin antibiotic active pharmaceutical ingredient used in the manufacturing of pharmaceutical products. It is a beta-lactam antibiotic precursor with a bicyclic structure containing chlorine and amine functional groups.
pharmaceutical raw material for cephalosporin antibioticsintermediate in antibiotic manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing this compound?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ApplicationSame Use
Cefonicid sodium
CAS61270-78-8
pharmaceutical raw material
ReferenceSame Category
Cefaclor
CAS53994-73-3
pharmaceutical raw material
ReferenceSame Category
(−)-nicotine
CAS54-11-5
pharmaceutical raw material
ReferenceSame Category
Sodium salicylate
CAS54-21-7
pharmaceutical raw material
ReferenceSame Category
Furosemide
CAS54-31-9
pharmaceutical raw material
Referencesame scaffold
7-AVCA
CAS79349-82-9
pharmaceutical intermediate
Referencesame scaffold
7-Amino-3-methoxy-3-cephem-4-carboxylic acid
CAS51803-38-4
pharmaceutical intermediate
Referencesame scaffold
(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS120709-09-3
pharmaceutical intermediate
Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for (6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (CAS 53994-69-7) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
InChIKey
OQSAFIZCBAZPMY-AWFVSMACSA-N
SMILES
C1C(=C(N2[C@H](S1)[C@@H](C2=O)N)C(=O)O)Cl
Synonyms (15)
- (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
- Cefaclor EP Impurity B
- CEFACLOR IMPURITY B
Sourcing this compound?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.