Biotin-PEG3-propionicacid-500mg$332.00 Biotin-PEG3-propionic acid Product Catalog # Size Price (USD) Quantity Biotin-PEG3-propionicacid-500mg 271613-500MG 500 mg $332.00 - Biotin-PEG3-propionicacid-500mg quantity + For more size options, please click: Biotin-PEG3-propionic acid Add to cart Additional information Additional information Weight 0.0005 kg Size 500 mg For Research & Development use only. Not for testing and/or use on humans.