Name: Vitamin H, D-Biotin (Structural formula:) C10H16N2O3S (Molecular weight:) 244.31 CAS NO.: 58-85-5 Appearance: Almost colorless white crystalline powder Use: It can prevent the skin diseases, promot lipid metabolism, and other physiological functions Standard: USP Package: 25KG/Drum Email:pansense06(at)gmail(dot)com MSN :pansense08(at)hotmail(dot)com TEL:0533-3590300 FAX:0533-3595900