CAS 635287-26-2 appears in our catalog under these names: Fmoc–NH–PEG5–CH2COOH, Fmoc-NH-PEG5-CH2COOH, Fmoc-NH-PEG5-CH2COOH 96%, 5,8,11,14,17-Pentaoxa-2-azanonadecanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester, 98%, 98%, Fmoc-NH-PEG5-CH2COOH, 97.0%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 500mg, 1000mg, 1g, 5g, 50g, 10g.