... Biotin; Vitamin B7; Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid; Vitamin H (D-Biotin); D-Biotin ... pure; VH; 5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid; 5-[(3aS,4S,6aR)-2 ... ; 5-[(3aR,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate; VHSpecification1% /2% /99% Structure Function1 ... freeze., keep away from strong light and heat hot sale D-biotin-manufacturer