18:0 TAP
1,2-stearoyl-3-trimethylammonium-propane (chloride salt)
DOTAP is one of the most widely used cationic lipids for gene transfection applications. DOTAP is proven to be efficient for in vitro and in vivo transfection applications. Various analogues of TAP are available for structure-activity relationship studies.
Simberg D, Weisman S, Talmon Y, Barenholz Y. DOTAP (and other cationic lipids): chemistry, biophysics, and transfection. Crit Rev Ther Drug Carrier Syst. 2004;21(4):257-317. doi: 10.1615/critrevtherdrugcarriersyst.v21.i4.10. PMID: 15638468.