... deliver and the best service Product Name:Biotin, D-Biotin, vitamin HAppearance :White fine powderCas NO:25 ... weight :243.3032Supplier name: Wellgreen Technology Co.,Ltd Synonyms:D-Biotin; Biotin; Vitamin B7; Hexahydro-2-oxo-1H ... 5-[(3aR,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate; VHSpecification1% /2% /99% ... cool & dry place not freeze., keep away from strong light and heat hot sale ...