... With DHL deliver and the best service Product Name:Biotin, D-Biotin, vitamin HAppearance :White fine powderCas NO:25-85-5Molecular ... :C10H15N2O3SMolecular weight :243.3032Supplier name: Wellgreen Technology Co.,Ltd Synonyms:D-Biotin; Biotin; Vitamin B7; Hexahydro-2-oxo-1H-thieno[3 ... ; 5-[(3aR,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate; VHSpecification1% /2% /99% Structure Function1 ...