SOPC; PC(18:0/18:1), also known as 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine, is an asymmetrical phospholipid with saturated fatty acid (stearic acid/18:0) at sn-1 position and unsaturated fatty acid (oleic acid/18:1) at sn-2 position. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.