CAS 330645-87-9 appears in our catalog under these names: HCTU, O-(6-Chloro-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluroni, HCTU Reagent, O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 98%, O-(1H-6-Chlorobenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate, 99.00%. Offered by: GLPBio, Iris Biotech, Thermo Scientific (Alfa Aesar), Biosynth, Thermo Scientific (Acros). Available pack sizes: 100g, 25g, 500g, 1kg, 5kg, 10g, 50g, 0,5kg.