Category:
Intermediates&Fine Chemicals
CAS NO:
131918-60-0
Standard:
In-house Standards,
vitamin-D intermediate
19-nor-Alfacalcidol is a synthetic vitamin D2 analog with CAS 4158-99-0 and formula C27H44O2. It is produced via photochemical irradiation of 19-norcholesterol derivatives followed by enzymatic hydroxylation.
Strictly contraindicated for hypercalcemia. Requires storage below -20°C in inert atmosphere. Clinical use demands rigorous monitoring of serum calcium levels to prevent toxicity.