Notes: Dotriacontanoic acid methyl ester is a naturally occurring fatty acid methyl ester that has been found in the cuticular wax of P. abies needles.{42596} It has also been found in sediment samples from the Harney River in Florida and Lake Kivu in the East African rift valley.{38856,38863} [Matreya, LLC. Catalog No. 1275]