CAS 1937270-46-6 appears in our catalog under these names: PC Biotin–PEG3–azide, PC Biotin azide, rel-1-[4-[[22-[(3aR,4R,6aS)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-4,18-dioxo-8,11,14-trioxa-5,17-diazadocos-1-yl]oxy]-5-methoxy-2-nitrophenyl]ethyl N-(3-azidopropyl)carbamate, 98%, 98%, PC Biotin-PEG3-azide, 97.75%. Offered by: GLPBio, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 10mg, 5mg, 25mg, 10 mg, 5 mg.