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：1189954-79-7
中文别名：尼克酸-13C6;
英文别名：pyridine-3-carboxylic acid;
分子式：C6H5NO2
分子量：129.065
精确质量：129.052
Psa：50.19
Logp：0.7798

熔点：236-239°C(lit)
储存条件：室温