C5H5NO4S
175.16 g/mol
Pharmaceutical IntermediateDanger
4-Hydroxy-3-pyridinesulfonic acid
CAS51498-37-4EC257-243-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Hydroxy-3-pyridinesulfonic acid is a pharmaceutical intermediate primarily used in the synthesis of active pharmaceutical ingredients (APIs). It features a pyridine ring with hydroxy and sulfonic acid substituents, contributing to its utility in organic synthesis.
Pharmaceutical intermediate for API 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 51498-37-4
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Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
Identifiers
IUPAC Name
4-oxo-1H-pyridine-3-sulfonic acid
InChIKey
AZRCSTMIVMQIPR-UHFFFAOYSA-N
SMILES
C1=CNC=C(C1=O)S(=O)(=O)O
Synonyms (9)
- 4-Pyridinol-3-sulfonic Acid
- Hydroxypyridinesulfonicacid