Iso-Nicotinic acide

Synonym: Pyridine-4-carboxylic Acid

Isonicotinic Acid

CAS NO. 55-22-1

M.F.: C6H5NO2

M.W.: 123.11

Appearance: white crystal or powder 

Melting point(°C) 310-315°C

Purity grade (%) ≥99%

Applications: pharmaceutical intermediate

Isonicotinic acid is an organic compound with a carboxyl group on a pyridine ring. It is an isomer of nicotinic acid - the carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid.