Fmoc-Lys(Biotin-PEG4)-OH Product Catalog # Size Price (USD) Quantity Fmoc-Lys(Biotin-PEG4)-OH101271-1G1 g$800.00 - Fmoc-Lys(Biotin-PEG4)-OH-1g quantity + Fmoc-Lys(Biotin-PEG4)-OH101271-5G5 g$2,000.00 - Fmoc-Lys(Biotin-PEG4)-OH-5g quantity + Add to cart Description CAS #: 1334172-64-3 Molecular Formula: C42H59N5O11S Molecular Weight: 842.0