Background:

UR-144-d₅(exempt preparation) is intended for use as an internal standard for the quantification of UR-144 by GC- or LC-MS. UR-144 is categorized as a synthetic cannabinoid.¹It has been found in Spice/K2-type herbal blends.²UR-144 is regulated as a Schedule I compound in the United States. UR-144-d₅(exempt preparation) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.

1.Frost, J.M., Dart, M.J., Tietje, K.R., et al.Indol-3-ylcycloalkyl ketones: Effects of N1 substituted indole side chain variations on CB2 cannabinoid receptor activityJ. Med. Chem.53(1)295-315(2010) 2.Seely, K.A., Patton, A.L., Moran, C.L., et al.Forensic investigation of K2, Spice, and "bath salt" commercial preparations: a three-year study of new designer drug products containing synthetic cannabinoid, stimulant, and hallucinogenic compoundsForensic Sci. Int.233(1-3)416-422(2013)