6-[2-Biotinylamidoethyl]-dithiopropionamido]-5,9-diaza-6,8-diketotridecanoic Acid, Bis-N-sulfosuccinimidyl Ester Sub Group: Biotin Derivatives Alphabetic Listing Catalog Number: 7401 Formula: C34H46N8Na2O19S5 Molecular Weight: 1077.08