Pentedrone (Item No. 11011) is a substituted cathinone that is structurally similar to methcathinone (Item No. 11709), a psychoactive stimulant that is a controlled substance in the United States and other countries. 4-methyl Pentedrone is an analog of pentedrone that features a methyl group added at the 4 position of the phenyl ring. The physiological and toxicological properties of this compound are not known. This product is intended for forensic and research applications.