... HALAL/KOSHER 4.good service; Vitamin H(D-Biotin)1.Property:D-Biotin is white or whitish crystal powder or ... solves in hot water or diluted alkali solution. D-Biotin slightly solves in water or ethanol, but ... hardly solve in acctone. D-Biotin is white to off-white powder, good fluidity, ... Assay99.3%98.5% ~ 101.0% ConclusionMeet BP2011 High quality,D-Biotin, biotin, Vitamin H,Vitamin ...