D-Biotin Product Catalog # Size Price (USD) Quantity D-Biotin270201-25G25 g$50.00 - D-Biotin-25g quantity + D-Biotin270201-100G100 g$150.00 - D-Biotin-100g quantity + D-Biotin270201-500G500 g$450.00 - D-Biotin-500g quantity + Add to cart Description Synonym: Vitamin H CAS #: 58-85-5 Molecular Formula: C10H16N2O3S Molecular Weight: 244.3