Biotin-PEG4-propionic acid Product Catalog # Size Price (USD) Quantity Biotin-PEG4-propionic acid271614-500MG500 mg$343.00 - Biotin-PEG4-propionicacid-500mg quantity + Biotin-PEG4-propionic acid271614-1G1 g$535.00 - Biotin-PEG4-propionicacid-1g quantity + Add to cart Description CAS #: 721431-18-1 Molecular Formula: C21H37N3O8S Molecular Weight: 491.6
