CAS 944561-45-9 appears in our catalog under these names: Propynyl–PEG1–Ac, 2-(2-(Prop-2-yn-1-yloxy)ethoxy)acetic acid, Propynyl-PEG1-Ac 95%, 2-(2-(Prop-2-yn-1-yloxy)ethoxy)acetic acid, 95%, 95%, Propynyl-PEG1-Ac, 95.0%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 250mg, 0,5g, 5g, 1g, 5 g, 250 mg, 1 g.