C9H9NO2
163.17 g/mol
Pharmaceutical IntermediateWarning
(3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone
CAS132127-34-5EC833-742-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a stereochemically defined beta-lactam intermediate featuring a hydroxy group and a phenyl ring. It is primarily utilized in the synthesis of beta-lactam antibiotics.
beta-lactam intermediatepharmaceutical 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.
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Related Compounds
ReferenceSame Category
(2R,3S)-N-benzoyl-3-phenylisoserine
CAS132201-33-3
pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
6-(4-Methoxyphenyl)naphthalene-2-carboxylic acid
CAS132292-17-2
pharmaceutical intermediate
Referencesame scaffold
(3R,4S)-tert-Butyl 2-oxo-4-phenyl-3-(triethylsilyloxy)azetidine-1-carboxylate
CAS149198-47-0
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for (3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone (CAS 132127-34-5) is 2933.79.
HS code (international, 6-digit)
2933.79
EU CN code (8-digit)
2933 79 00
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
(3R,4S)-3-hydroxy-4-phenylazetidin-2-one
InChIKey
FBZSDKXFQUKDLD-JGVFFNPUSA-N
SMILES
C1=CC=C(C=C1)[C@H]2[C@H](C(=O)N2)O
Synonyms (6)
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Sourcing (3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone?
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