Home/Compounds/Pharmaceutical Intermediate/(6R,7R)-7-Amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (4-methoxyphenyl)methyl ester hydrochloride
C16H18Cl2N2O4S
405.3 g/mol
Pharmaceutical IntermediateDanger
(6R,7R)-4-Methoxybenzyl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride
CAS113479-65-5EC601-254-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a salt-form pharmaceutical intermediate featuring a cephalosporin-like core structure with a chloromethyl substituent and a 4-methoxybenzyl ester group. It is primarily utilized as a raw material in the manufacturing of active pharmaceutical ingredients.
pharmaceutical raw materialintermediate in antibiotic synthesis
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.
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4-ACETYL-2-METHYLBENZONITRILE
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Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (6R,7R)-4-Methoxybenzyl 7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride (CAS 113479-65-5) 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
(4-methoxyphenyl)methyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;hydrochloride
InChIKey
LYIIGHOYDRRHAJ-XRZFDKQNSA-N
SMILES
COC1=CC=C(C=C1)COC(=O)C2=C(CS[C@H]3N2C(=O)[C@H]3N)CCl.Cl
Synonyms (12)
- ACLE HCL
- Cefazolin Impurity 55
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