Niacin or nicotinic acid, or Vitamin B3  is a water soluble vitamin.  Niacin is also refered to niacinamide and nicotinamide

Nutritional Phytochemical Analytical Laboratory

Molecular Weight: 123.11

Molecular Formula:  C6H5NO2

IUPAC Name: pyridine-3-carboxylate

CAS Name: 3-Pyridinecarboxylic acid

CAS number:  59-67-6

Vitamin B3 - Niacin

Structural Formula

3D Structural Formula