Biotin-SLC Product Catalog # Size Price (USD) Quantity Biotin-SLC271901-500MG500 mg$400.00 - Biotin-SLC-500mg quantity + Biotin-SLC271901-1G1 g$573.00 - Biotin-SLC-1g quantity + Biotin-SLC271901-5G5 g$1,505.00 - Biotin-SLC-5g quantity + Add to cart Description Molecular Formula: C21H37N3O4S Molecular Weight: 427.6