Also available in 100 mg, 200 mg and bulk. Please contact Fisher for quotes. 1,2-Distearoyl-sn-glycero-3-phosphorylcholine (L-ALPHA-PHOSPHATIDYLCHOLINE, DISTEAROYL) is a cylindrical-shaped lipid used to synthesize liposomes. 1,2-Distearoyl-sn-glycero-3-phosphorylcholine (L-ALPHA-PHOSPHATIDYLCHOLINE, DISTEAROYL) is the lipid component in the lipid nanoparticle (LNP) system. Purity 99.53%