C13H10O3
214.22 g/mol
Pharmaceutical IntermediateWarning
4-Phenoxybenzoic acid
CAS2215-77-2EC218-682-5
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
4-Phenoxybenzoic acid is a phenoxybenzoic acid with the phenoxy group located para to the carboxy group. It is a chemical compound used as a pharmaceutical intermediate.
pharmaceutical intermediate
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
StrongStructure SimilarSimilarity 0.86
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Phenoxybenzoic acid (CAS 2215-77-2) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 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-phenoxybenzoic acid
InChIKey
RYAQFHLUEMJOMF-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)OC2=CC=C(C=C2)C(=O)O
Synonyms (13)
- 4CBPE
- 4-(phenyloxy)benzoic acid
- 4-Carboxybiphenyl ether
- 4-Carboxydiphenyl ether
- 4-PhOC6H4CO2H
- 4-PhOC6H4COOH
- 4-Phenoxybenzoic acid
- Benzoic acid, 4-phenoxy-
- Benzoic acid, p-phenoxy-
- p-Phenoxybenzoic acid
- p-carboxydiphenyl ether
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