CAS 2410937-34-5 appears in our catalog under these names: Propargyl-PEG12-bromide, Propargyl–PEG12–bromide, Propargyl-PEG12-bromide 98%, 1-Bromo-3,6,9,12,15,18,21,24,27,30,33,36,39-tridecaoxadotetracont-41-yne. Offered by: TargetMol, GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 250mg.