5F-JWH-398 (4'-chloro-AM-2201, Cl-2201, CLAM, SGT-20) is a recreational designer drug which is classed as a synthetic cannabinoid. It is from the naphthoylindole family, and produces cannabis-like effects. It was legally sold in New Zealand from 2012-2014 under the psychoactive substances scheme but was discontinued in May 2014 following the end of the interim approval period under the Psychoactive Substances Act 2013.[1][2][3] Subsequently it has appeared on the illicit market around the world and was identified in Germany in May 2019.[4]
^Rychert M, Wilkins C (November 2016). "Legal high industry business and lobbying strategies under a legal market for new psychoactive substances (NPS, 'legal highs') in New Zealand". The International Journal on Drug Policy. 37: 90–97. doi:10.1016/j.drugpo.2016.08.011. PMID27639994.
^Rychert M, Wilkins C, Witten K (September 2017). "Issues with monitoring the safety of psychoactive products under a legal regulated market for new psychoactive substances ('legal highs') in New Zealand". Drug and Alcohol Review. 36 (5): 589–596. doi:10.1111/dar.12507. PMID28229493. S2CID20279160.