CAS 2388521-20-6 appears in our catalog under these names: Hydroxy-PEG12-Boc, Hydroxy–PEG12–Boc, Hydroxy-PEG12-t-butyl ester 98%, Hydroxy-PEG12-Boc, 98%, 98%, Hydroxy-PEG12-Boc, 98.0%. Offered by: TargetMol, GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 1g, 5g, 500mg, 10 mg.