Fmoc-NH-PEG6-CH2CH2COOH; 5,8,11,14,17,20-Hexaoxa-2-azatricosanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester; CAS No.: 882847-34-9; Specializing in pharma building blocks, ChemShuttle offers 5,8,11,14,17,20-Hexaoxa-2-azatricosanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester. As a leading chemicals distributor, the company ensures reliable supply of high-quality intermediates.