RCS-4 (exempt preparation) is an analytical reference standard structurally similar to known synthetic cannabinoids. It has been found in various herbal incense products.[1] RCS-4 is regulated as a Schedule I compound in the United States. RCS-4 (exempt preparation) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.
Reference:
[1]. Kikura-Hanajiri, R., Uchiyama, N., and Goda, Y. Survey of current trends in the abuse of psychotropic substances and plants in Japan. Leg. Med. (Tokyo) 13(3), 109-115 (2011).
















