CAS 877239-08-2 appears in our catalog under these names: Trityl–PEG10–azide, Trityl-PEG10-azide 98%, 2,5,8,11,14,17,20,23,26,29-Decaoxahentriacontane,31-azido-1,1,1-triphenyl-, 98%, 98%, Trityl-PEG10-azide. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, 100 mg, 25 mg, 50 mg, 1 g, 250 mg.