Notes: Pentedrone (Item No. 11011) is a substituted cathinone and designer drug that is similar to methcathinone, a controlled psychoactive stimulant. Isopentedrone is a variant of pentedrone in which the α-propyl and β-keto groups have switched positions. This by-product of the synthesis of pentedrone has been detected in seized designer drug powders.{21245} The physiological and toxicological effects of this compound have not been characterized. This product is intended for forensic and research purposes.