Cholecalciferol, also known as Vitamin D3, is a white or almost white crystalline substance that is practically insoluble in water but freely soluble in ethanol and fatty oils. It has a molecular formula of C27H44O and molecular weight of 384.64. Cholecalciferol meets specifications of USP, Ph. Eur., FCC and IP and is certified as suitable by EDQM with certifications for kosher, halal and various quality standards. It is packaged under vacuum or inert gas in various quantities and containers with a shelf life of 36 months.