CAS 2055048-42-3 appears in our catalog under these names: Dde Biotin–PEG4–Picolyl azide, Biotin-PEG(4)-Dde-Picolyl-N3, Dde biotin picolyl azide, Dde Biotin-PEG4-Picolyl azide, ≥95%, ≥95%, Dde Biotin-PEG4-Picolyl azide. Offered by: GLPBio, Iris Biotech, Biosynth, Chemat, MedChemExpress. Available pack sizes: 10mg, 25mg, 5mg, 1mg, 2mg, 10 mg.