C12H11ClNO2P
267.65 g/mol
Pharmaceutical IntermediateWarning
Phenyl N-phenylphosphoramidochloridate
CAS51766-21-3EC257-400-5
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
Phenyl N-phenylphosphoramidochloridate is a phosphorylating agent used as a pharmaceutical intermediate. Its primary significance is its ability to inactivate enzymes such as penicillin acylase, beta-lactamase, and chymotrypsin through phosphorylation.
Inactivation of penicillin acylase in researchInactivation of beta-lactamase in researchInactivation of chymotrypsin in research
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
7-Amino-3-methoxy-3-cephem-4-carboxylic acid
CAS51803-38-4
pharmaceutical intermediate
ReferenceSame Category
3-Fluoro-5-methylbenzoic acid
CAS518070-19-4
pharmaceutical intermediate
ReferenceSame Category
(2-Fluorobenzyl)hydrazine
CAS51859-98-4
pharmaceutical intermediate
ReferenceSame Category
3',5'-dihydroxyacetophenone
CAS51863-60-6
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Phenyl N-phenylphosphoramidochloridate (CAS 51766-21-3) is 2929.90.
HS code (international, 6-digit)
2929.90
EU CN code (8-digit)
2929 90 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
N-[chloro(phenoxy)phosphoryl]aniline
InChIKey
ZUQYQPGYEFBITH-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)NP(=O)(OC2=CC=CC=C2)Cl
Synonyms (10)
- PPPAC
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