Isonicotinic Acid

55-22-1

Pyridine-4-carboxylic Acid; Nicotinic Acid Imp. E (EP); Isonicotinic Acid; Isoniazid Impurity A; Nicotinic Acid Impurity E

Causes serious eye irritation

>95% (HPLC)

OC(=O)c1ccncc1

C6 H5 N O2

123.11

InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9)

IUPAC name: pyridine-4-carboxylic acid

Room Temperature

+4°C