Common Name Systematic Name Structural Formula Lipid Numbers Propionic acid Propanoic acid CH3CH2COOH C3:0 Butyric acid Butanoic acid CH3(CH2)2COOH C4:0 Valeric acid Pentanoic acid CH3(CH2)3COOH C5:0 Caproic acid Hexanoic acid CH3(CH2)4COOH C6:0 Enanthic acid Heptanoic acid CH3(CH2)5COOH C7:0 Caprylic acid Octanoic acid CH3(CH2)6COOH C8:0 Pelargonic acid Nonanoic acid CH3(CH2)7COOH C9:0 Capric acid Decanoic acid CH3(CH2)8COOH C10:0 Undecylic acid Undecanoic acid CH3(CH2)9COOH C11:0 Lauric acid Dodecanoic acid CH3(CH2)10COOH C12:0 Tridecylic acid Tridecanoic acid CH3(CH2)11COOH C13:0 Myristic acid Tetradecanoic acid CH3(CH2)12COOH C14:0 Pentadecylic acid Pentadecanoic acid CH3(CH2)13COOH C15:0 Palmitic acid Hexadecanoic acid CH3(CH2)14COOH C16:0 Margaric acid Heptadecanoic acid CH3(CH2)15COOH C17:0 Stearic acid Octadecanoic acid CH3(CH2)16COOH C18:0 Nonadecylic acid Nonadecanoic acid CH3(CH2)17COOH C19:0 Arachidic acid Eicosanoic acid CH3(CH2)18COOH C20:0 Heneicosylic acid Heneicosanoic acid CH3(CH2)19COOH C21:0 Behenic acid Docosanoic acid CH3(CH2)20COOH C22:0 Tricosylic acid Tricosanoic acid CH3(CH2)21COOH C23:0 Lignoceric acid Tetracosanoic acid CH3(CH2)22COOH C24:0 Pentacosylic acid Pentacosanoic acid CH3(CH2)23COOH C25:0 Cerotic acid Hexacosanoic acid CH3(CH2)24COOH C26:0 Heptacosylic acid Heptacosanoic acid CH3(CH2)25COOH C27:0 Montanic acid Octacosanoic acid CH3(CH2)26COOH C28:0 Nonacosylic acid Nonacosanoic acid CH3(CH2)27COOH C29:0 Melissic acid Triacontanoic acid CH3(CH2)28COOH C30:0 Henatriacontylic acid Henatriacontanoic acid CH3(CH2)29COOH C31:0 Lacceroic acid Dotriacontanoic acid CH3(CH2)30COOH C32:0 Psyllic acid Tritriacontanoic acid CH3(CH2)31COOH C33:0 Geddic acid Tetratriacontanoic acid CH3(CH2)32COOH C34:0 Ceroplastic acid Pentatriacontanoic acid CH3(CH2)33COOH C35:0 Hexatriacontylic acid Hexatriacontanoic acid CH3(CH2)34COOH C36:0 Heptatriacontanoic acid Heptatriacontanoic acid CH3(CH2)35COOH C37:0 Octatriacontanoic acid Octatriacontanoic acid CH3(CH2)36COOH C38:0