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Isonicotinic acid or 4-pyridinecarboxylic acid is an organic compound with the formula C5H4N(CO2H). It is a derivative of pyridine with a carboxylic acid substituent at the 4-position.
I 1625 (OTTO) Isonicotinic acid, 99% Cas 55-22-1 - used for derivatives of isonicotinic acid. I 1625 (OTTO) Isonicotinic acid, 99% Cas 55-22-1 - used in the biological study of differentiation induced by nicotinic.