3-[4,4-Bis(octyloxy)-1-oxobutoxy]-2-(hydroxymethyl)propyl (9Z)-9-hexadecenoate is a lipid molecule featuring a primary alcohol, a palmitoleic acid, and a butanoic acid linked to two C8 chains via an acetal. Compounds such as this may also be used as intermediates in building lipids for use in lipid nanoparticles.