C7H7NO3
153.14 g/mol
Pharmaceutical IntermediateWarning
4-Amino-3-hydroxybenzoic acid
CAS2374-03-0EC629-073-2
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Amino-3-hydroxybenzoic acid is an organic compound featuring both amino and carboxylic acid functional groups on an aromatic ring. It is primarily recognized as a pharmaceutical intermediate used in the manufacturing of the drug tafamidis.
Pharmaceutical intermediate for tafamidis 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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CAS 2374-03-0
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
4-amino-3-hydroxybenzoic acid
InChIKey
NFPYJDZQOKCYIE-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1C(=O)O)O)N
Synonyms (12)
- 4A3
- Oxybuprocaine Hydrochloride EP Impurity C
- Oxybuprocaine Hydrochloride Imp. C (EP); Oxybuprocaine Imp. C (EP); 4-Amino-3-hydroxybenzoic Acid; Oxybuprocaine Hydrochloride Impurity C; Oxybuprocaine Impurity C
- 2hdr
- 3-Hydroxy-PABA
- 3-Hydroxy-p-aminobenzoic acid
- 3-hydroxy-4-aminobenzoic acid
- 4-Amino-3-hydroxybenzoic acid
- Oxybuprocaine Impurity 3
- Tafamidis intermediate