Biotin-PEG6-OH-500mg$433.00 Biotin-PEG6-OH Product Catalog # Size Price (USD) Quantity Biotin-PEG6-OH-500mg 271619-500MG 500 mg $433.00 - Biotin-PEG6-OH-500mg quantity + For more size options, please click: Biotin-PEG6-OH Add to cart Additional information Additional information Weight 0.0005 kg Size 500 mg