CAS 1821464-55-4 appears in our catalog under these names: Azide-PEG12-alcohol/ 98.53% (existing batch purity), Azide–PEG12–alcohol, Azide-PEG12-alcohol 95%, N3-PEG12-OH, 95%, 95%, Azide-PEG12-alcohol, 99.81%. Offered by: TargetMol, GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 1g, 5g, 10g, 50 mg.