α-Pyrrolidinopentiophenone (α-PVP)-d8 (hydrochloride) (CRM) (Item No. 19204) is intended for use as an internal standard for the quantification of α-PVP (hydrochloride) (Item Nos. 9001083 | 16058) by GC- or LC-MS. α-PVP is a cathinone that is abused as a stimulant. This product is intended for research and forensic applications.