Biotin-PEG12-NHS-1g$1,285.00 Biotin-PEG12-NHS Product Catalog # Size Price (USD) Quantity Biotin-PEG12-NHS-1g 271618-1G 1 g $1,285.00 - Biotin-PEG12-NHS-1g quantity + For more size options, please click: Biotin-PEG12-NHS 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.