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1-Palmitoyl-2-oleoyl-3-stearoyl-rac-glycerol is a triacylglycerol that contains palmitic acid at the sn-1 position, oleic acid (Item Nos. 90260 | 24659) at the sn-2 position, and stearic acid at the sn-3 position. It is one of the primary triacylglycerols found in cocoa butter.

1-Palmitoyl-2-oleoyl-3-stearoyl-rac-glycerol is the major triacid triglyceride found in cocoa butter and is used in the improvement of chocolate.

[1] SAEEDM. GHAZANI  Alejandro G M. The Triclinic Polymorphism of Cocoa Butter Is Dictated by Its Major Molecular Species, 1-Palmitoyl, 2-Oleoyl, 3-Stearoyl Glycerol (POS)[J]. Crystal Growth & Design, 2018, 19 1: 90-97. DOI: 10.1021/acs.cgd.8b00973
[2] MIGUEL A. BOOTELLO . Evaluation of high oleic-high stearic sunflower hard stearins for cocoa butter equivalent formulation[J]. Food Chemistry, 2012, 134 3: Pages 1409-1417. DOI: 10.1016/j.foodchem.2012.03.040