C8H5NO2
147.13 g/mol
Pharmaceutical IntermediateWarning
4-CYANOBENZOIC ACID
CAS619-65-8EC210-606-9
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Cyanobenzoic acid is a chemical compound featuring both a carboxylic acid and a nitrile group on an aromatic ring. It is primarily used as a pharmaceutical intermediate in the manufacturing of various drug substances.
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
ReferenceSame Category
4-formylbenzoic acid
CAS619-66-9
pharmaceutical intermediate
ReferenceSame Category
4-hydrazinobenzoic acid
CAS619-67-0
pharmaceutical intermediate
ReferenceSame Category
P-Nitrobenzamide
CAS619-80-7
pharmaceutical intermediate
ReferenceSame Category
4-(dimethylamino)benzoic acid
CAS619-84-1
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4-CYANOBENZOIC ACID (CAS 619-65-8) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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-cyanobenzoic acid
InChIKey
ADCUEPOHPCPMCE-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C#N)C(=O)O
Synonyms (13)
- 4-CYANOBENZOIC ACID
- 4-Carboxybenzonitrile
- 4-Cyanobenzoic acid (3)
- Benzoic acid, 4-cyano-
- Benzoic acid, p-cyano-
- CYANOBENZOIC ACID, 4-
- CYANOBENZOIC ACID, P-
- Terephthalic acid mononitrile
- Terephthalic mononitrile
- p-Carboxybenzonitrile
- p-Cyanobenzoic acid
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