Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API
Fine chemicals
CAS Number
33263-43-3
HS Code
29339900
Molecular formula
C5H5ClN2O2S
Molecular Weight
192.62
Synonyms
4-Chloro-3-pyridylsulfonamide
Appearance
Yellow solid
Melting Point
>167ºC (dec.)
Storage
Refrigerator
Solubility
DMSO (Slightly), Methanol (Slightly)
Applications
4-Chloro-3-pyridinesulfonamide is a building block that has been used as a reactant for the preparation of heterocyclic 4-substituted pyridine-3-sulfonamide derivatives as inhibitors of four isoforms of zinc enzyme carbonic anhydrase.