CAS 144189-73-1 appears in our catalog under these names: 18:1 TAP (DOTAP MS SALT), N-(1-(2,3-Dioleoyloxy)propyl)-n,n,n-trimethylammonium methyl-sulfate, DOTAP Methyl Sulfate, DOTAP (methylsulfate), 99.94%, DOTAP Methyl Sulfate, 98%, 98%. Offered by: Sigma-Aldrich, Biosynth, TCI, MedChemExpress, Chemat. Available pack sizes: 200MG, 25MG, 0,5g, 1g, 100mg, 2g, 5g, 50 mg.