5,7-Docosadiynoic Acid Methyl Ester-d3 is the isotope labelled analog of 5,7-Docosadiynoic Acid Methyl Ester (D525345); the methyl ester derivative of 5,7-Docosadiynoic Acid (D494450) which is an amphiphilic molecule used in the synthesis of artificial cell membranes for diagnostics and therapeutics.