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4-fluoro MDMB-BUTINACA-d4 (exempt preparation) (Item No. 43498) is intended for use as an internal standard for the quantification of 4-fluoro MDMB-BUTINACA (Item Nos. 28186 | 26645) by GC- or LC-MS. 4-fluoro MDMB-BUTINACA is categorized as a synthetic cannabinoid.1 It has been associated with fatalities.2 4-fluoro MDMB-BUTINACA-d4 is regulated as a Schedule I compound in the United States. 4-fluoro MDMB-BUTINACA-d4 (exempt preparation) (Item No. 43498) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.

4-fluoro MDMB-BUTINACA-d4 (Item No. 37890) is intended for use as an internal standard for the quantification of 4-fluoro MDMB-BUTINACA (Item Nos. 28186 | 26645) by GC- or LC-MS. 4-fluoro MDMB-BUTINACA is categorized as a synthetic cannabinoid.1 It has been associated with fatalities.2 4-fluoro MDMB-BUTINACA-d4 is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.

[1] ERIC SPARKES. Synthesis and pharmacological evaluation of newly detected synthetic cannabinoid receptor agonists AB-4CN-BUTICA, MMB-4CN-BUTINACA, MDMB-4F-BUTICA, MDMB-4F-BUTINACA and their analogs.[J]. ACS Applied Electronic Materials, 2022: 1010501. DOI: 10.3389/fpsyt.2022.1010501
[2] GÁBOR SIMON. Simultaneous fatal poisoning of two victims with 4F-MDMB-BINACA and ethanol.[J]. Forensic Toxicology, 2023, 41 1: 151-157. DOI: 10.1007/s11419-022-00632-y