Vitamin, Brand Name : YC

Vitamin d2 english synonyms: vitamin d;vitamin d2;vitamin d2 water;viosterol;(3beta,5z,7e,22e)-9,10-secoerga-5,7,10(19),22-tetraen-3-ol;(3beta,5z,7e,22e)-9,10-secoergosta-5,7,10(19)-,22-tetraen-3-ol;(3-beta,5z,7e,22e)-9,10-secoergosta-5,7,10,(19),22-tetraen-3-ol;(5e,7e,22e)-9,10-secoergosta-5,7,10,22-tetraen-3-ol cas no.: 50-14-6 assay: 98% molecular formula: c28h44o molecular weight:396.65 packing:25kgdrum appearance: colorless needle crystal or white crystalline powder; odorless, tasteless; the case of light or air of perishable.