Biotin-PEG2-azide-1g$896.00 Biotin-PEG2-azide Product Catalog # Size Price (USD) Quantity Biotin-PEG2-azide-1g 271604-1G 1 g $896.00 - Biotin-PEG2-azide-1g quantity + For more size options, please click: Biotin-PEG2-azide 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.