CAS 1807540-88-0 appears in our catalog under these names: Ald–Ph–amido–C2–PEG3–azide, N3-PEG(3)-Benzaldehyde, Ald-Ph-PEG3-Azide, N-[2-[2-[2-(2-Azidoethoxy)ethoxy]ethoxy]ethyl]-4-formylbenzamide, >90.0%(HPLC)(qNMR), Ald-ph-peg3-azide 95%. Offered by: GLPBio, Iris Biotech, Biosynth, TCI, Ambeed. Available pack sizes: 100mg, 250mg, 50mg, 500mg, 1g, 25 mg, 5 mg, 10 mg.