CAS 99126-64-4 appears in our catalog under these names: Methoxypolyethylene glycol maleimide, MeO-PEG-mal (10 kDa), MeO-PEG-mal (2 kDa), MeO-PEG-mal (20 kDa), MeO-PEG-mal (5 kDa). Offered by: GLPBio, Iris Biotech, Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 100mg, 500mg, 1g, 5g, 1000mg, 250MG, 25 mg, 250 mg.