CAS 671802-00-9 appears in our catalog under these names: Hydroxy–PEG1–(CH2)2–Boc, Hydroxy-PEG1-(CH2)2-Boc, Hydroxy-PEG1-(CH2)2-Boc 98%, tert-Butyl 3-(2-Hydroxyethoxy)propanoate, 98%, 98%, Hydroxy-PEG1-(CH2)2-Boc, 99.96%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 500mg, 25g, 250mg, 1g, 5g, 100g, 10g, 50g.