USPUSP-NF
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Vitamin D2
Ergocalciferol
 Vitamin D C28H44O Formula wt 396.66
 [50-14-6] VS041H42XC ergocalciferol

DESCRIPTION

Vitamin D2 occurs as white crystals. It is affected by air and by light. It is insoluble in water, but is soluble in alcohol, in chloroform, in ether, and in fatty oils.

USP REFERENCE STANDARDS FOR PURCHASE

USP Ergocalciferol RS
USP Ergosterol RS
USP Vitamin D Assay System Suitability RS
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