Phosphorylcholine (Standard) is the analytical standard of Phosphorylcholine. This product is intended for research and analytical applications. Phosphatidylcholine is the main phospholipid component in eukaryotic biofilms. Phosphatidylcholine exists in commensal or pathogenic bacteria associated with eukaryotes in prokaryotes. Phosphorylcholine exhibits a surprising range of immunomodulatory properties[1].