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Factory Supply High Purity Vitamin B12 Mecobalamine 99% Powder
Product Description Vitamin B12, also known as cobalamin, is a polycyclic compound containing cobalt trivalent, Vitamin B12 is a red crystalline powder, odorless and tasteless, soluble in water, insoluble in ethanol, insoluble in acetone. It is most stable under weak acid pH 4.5 ~ 5.0 Mecobalamin...