Tachysterol (Tachysterol3, also known as previtamin D (3) or precalciferol) belongs to the class of vitamin D3 derivatives. It is a side product during photosynthesis of vitamin D. Vitamin D and derivatives are compounds containing a secosteroid backbone, usually secoergostane or secocholestane. Thus, TACHYSTEROL3 is considered to be a secosteroid lipid molecule.

纯度：≥98%

CAS：17592-07-3