Labelled Nicotinic acid. It is a precursor of the coenzymes NAD and NADP. Widely distributed in nature; appreciable amounts are found in liver , fish, yeast and cereal grains. Dietary deficiency is associated with pellagra. The term “niacin” has also been applied to nicotinamide or to other derivatives exhibiting the biological activity of nicotinic acid. Vitamin (enzyme cofactor).

CAS：116975-14-5
中文别名：
英文别名：4-deuteriopyridine-3-carboxylic acid;
分子式：C6H4DNO2
分子量：124.116
精确质量：124.038
Psa：50.19
Logp：0.7798

沸点：292.467ºC at 760 mmHg
闪点：130.68ºC
折射率：1.571
蒸汽压：0.001mmHg at 25°C