CAS 2803478-25-1 appears in our catalog under these names: Azido-PEG12-C2-NH2 97%, Azido-PEG12-amine, 97%, 97%, Azido-PEG12-amine, 98.0%, Azido-PEG12-amine, 98%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 100 mg, 50 mg, 25 mg.