Category:
Other Specialized Reagents
CAS NO:
67-97-0
Standard:
USP,
Vitamin D3 (Cholecalciferol) is a fat-soluble secosteroid synthesized via UV irradiation of 7-dehydrocholesterol. Its molecular formula is C27H44O with CAS number 67-97-0. It serves as the primary precursor for active calcitriol.
Strict storage required below 25°C in dark, airtight containers to prevent oxidation. Clinical use demands dose monitoring to avoid hypercalcemia toxicity risks.