Vitamin D3 Crystal

Vitamin D3 Crystal Series： Vitamin D3 Spec： Pure Brand： Weile Detail Description Vitamin D3 Crystal medicine grade is obtained from theesterification, hydrolyzation and refining of High Potential Vitamin D3Resin. Specifications Assay: 97.0-103.0% Identification: Positive Specific optical rotation: +105°-112° Organic volatile impurities: Confirm to Current USP and EP Related impurities: Confirm to Current USP and EP Solubility Practically insoluble in water,freely soluble in