Biotin-PEG3-propionicacid-1g$490.00 Biotin-PEG3-propionic acid Product Catalog # Size Price (USD) Quantity Biotin-PEG3-propionicacid-1g 271613-1G 1 g $490.00 - Biotin-PEG3-propionicacid-1g quantity + For more size options, please click: Biotin-PEG3-propionic acid Add to cart Additional information Additional information Weight 0.001 kg Size 1 g For Research & Development use only. Not for testing and/or use on humans.