CAS 87450-10-0 appears in our catalog under these names: Propargyl–PEG4–alcohol, Propargyl-PEG4-alcohol 96%, 3,6,9,12-Tetraoxapentadec-14-yn-1-ol, 95%, 95%, Propargyl-PEG4-alcohol, 99.26%, PROPARGYL-PEG5-OH, 95%. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 250mg, 500mg, 10g, 1g, 5g, 25g, 50g, 100g.