1.CAS RN.:58-85-5 2.Specification: USP/BP/EP/FCC 3.Certification: GMP/ ... powder, good fluidity, hygroscopic.2.Storage: Store in dry places and keep away from strong direct light and ... of the retina,the Biotin deficiency could cause the Dry eyes, keratization, inflammation, even blindness.2)Vitmain H ... .3%98.5% ~ 101.0% ConclusionMeet BP2011 High quality,D-Biotin, biotin, Vitamin H,Vitamin d&h distributor