... .5kgDelivery Detail:10 days Specifications 1 Product name:Biotin 2 Cas:58-85-5 3 Color:white fine powder 4 With DHL deliver ... pure; VH; 5-(2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid; 5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d ... ]pentanoate; 5-[(3aS,4S,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate; 5-[(3aR,4S,6aS)-2-oxohexahydro-1H-thieno[3,4 ...