CAS 944561-46-0 appears in our catalog under these names: Propargyl–PEG2–CH2COOH, 2-{2-(2-(prop-2-yn-1-yloxy)ethoxy)ethoxy}acetic acid, Propargyl-PEG2-CH2COOH 98%, Propargyl-PEG2-CH2COOH, 95%, 95%, Propargyl-PEG2-CH2COOH, 95.0%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 100mg, 50mg, 2,5g, 250mg, 1g, 5g, 10g, 25g.