01 Factory Supply High Purity Vitamin B12 Mecobalamine 99% Powder
Product Description Vitamin B12, tseem hu ua cobalamin, yog polycyclic compound uas muaj cobalt trivalent, Vitamin B12 yog ib tug liab crystalline hmoov, odorless thiab tasteless, soluble nyob rau hauv dej, insoluble nyob rau hauv ethanol, insoluble nyob rau hauv acetone. Nws yog qhov ruaj khov tshaj plaws nyob rau hauv qaug zog acid pH 4.5 ~ 5.0 Mecobalamin ...