cadalin and its Impurities

Cadalene or cadalin is a polycyclic aromatic hydrocarbon with a chemical formula C15H18 and a cadinane skeleton. It is derived from generic sesquiterpenes, and ubiquitous in essential oils of many higher plants. The ratio of retene to cadalene in sediments can reveal the ratio of the genus Pinaceae in the biosphere.. Reference standards of Cadalin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below