(±) -Pregabalin-13C3

(±) -Pregabalin-13C3 serves as an internal standard for the quantification of pregabalin via GC- or LC-MS. Pregabalin, classified as an anticonvulsant and analgesic, presents a potential for abuse and misuse. In the United States, (±) -Pregabalin-13C3 is regulated as a Schedule V compound, indicating restricted use mainly for research and forensic purposes.