Nutritional Phytochemical Analytical Laboratory

Vitamin D2

Molecular Weight: 396.65

Molecular Formula: C28H44O

CAS Name: (3b,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol

CAS number: 50-14-6

Vitamin D

Vitamin D3

Molecular Weight: 384.64

Molecular Formula: C27H44O

CAS Name: (3b,5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3-ol

CAS number: 67-97-0

Vitamin D2 - Structural Formula

Vitamin D3 - Structural Formula

In vitamin D family, the major forms of vitamin D are vitamin D2 or ergocalciferol and vitamin D3 or cholecalciferol, it is fat soluble vitamin.