Heptatriacontanoic acid

Heptatriacontanoic acid, or heptatriacontylic acid, is a 37-carbon saturated fatty acid.
Sources.
Heptatriacontanoic acid is present in "Abelmoschus manihot" and "Alpinia nigra". Heptatriacontanoic acid was also measured in zooplankton.
Compounds.
The compound 4,21-dimethyl-5,19-di-(trans)-enoyl-heptatriacontanoic acid is the "structure of the major homolog of free mycobacteric acids" of "Mycobacterium brumae".
Preparation.
The expired U.S. patent 5502226 covers a method of ω-hydroxy acid preparation that includes heptatriacontanoic acid.