Buphedrone (α-methylamino-butyrophenone) is a substituted cathinone which has been identified in products that are sold as stimulants. 4-Methyl-α-ethylaminobutiophenone is a para-methyl analog of buphedrone with an ethyl group replacing methyl at the alpha position. Its biological and toxicological properties have not been evaluated. This product is intended for forensic and research applications. This product is a qualified Reference Material (RM) that has been manufactured and tested to meet ISO17025 and Guide 34 guidelines. These materials are tested using validated analytical methods on qualified instrumentation to ensure traceability of measurements. All traceable RMs may be distinguished by their CofAs and can be downloaded below using the batch number located on the product label. For a representative CofA please contact our technical support.