Did you know that 3-methylfentanyl, a highly potent fentanyl analog, is estimated to be 600β6,000 times more potent than morphine, with an ED50 of 0.0003 mg/kg in rodent analgesia models, making it one of the most dangerous novel synthetic opioids (NSOs) in forensic toxicology? As a Canadian researcher, toxicologist, or analytical chemist investigating opioid receptor dynamics, post-mortem detection, or emerging drug threats, 3-methylfentanyl serves as a critical reference for understanding ultra-potent NSO proliferation. Synthesized in the 1970s by Janssen Pharmaceutica, it was weaponized in Soviet research before resurfacing in illicit markets. However, as an explicit Schedule I substance under Canada’s Controlled Drugs and Substances Act (CDSA), possession mandates Health Canada NOC approval. This guide delivers peer-reviewed data, safety protocols, and compliant sourcing exclusively from ChemLabs Canadaβstrictly for authorized forensic and analytical use.
Disclaimer: 3-Methylfentanyl is for legitimate forensic and research use only. Not for human or veterinary consumption. Mandatory NOC required.
3-Methylfentanyl (N-(1-(2-hydroxy-2,2-dimethylethyl)-3-methyl-4-piperidyl)-N-phenylpropanamide) is an ultra-potent synthetic opioid of the 4-anilidopiperidine class. Its chemical formula is C23H32N2O2, and it acts as a full ΞΌ-opioid receptor agonist with extreme lipophilicity from the 3-methyl substitution. In research, it is used for analytical method development, receptor binding assays, and toxicity profiling. For instance, forensic scientists employ it to validate LC-MS/MS methods for NSO detection in biological samples .
Chemical Structure Breakdown
3-Methylfentanyl retains fentanyl’s piperidine core but includes a 3-methyl group on the piperidine ring, dramatically increasing potency and duration.
Group
Role
Piperidine
Core opioid scaffold
3-Methyl
Potency enhancement
Propionanilide
ΞΌ-receptor binding
Common Synonyms
Known as 3-MeFent, China White analog, or R-31833. CAS: 42045-86-3; supplied as free base or citrate salt for analytical stability.
Role in Research
Essential reference standard for ultra-potent NSO screening and opioid receptor studies. Canadian labs require CCAC ethics for in vivo work.
Synthesized in 1974 by Janssen as part of fentanyl analog research. Weaponized in Soviet chemical warfare programs in the 1980s; resurfaced in U.S. markets in 1979.
Early Discovery
Patented in 1974 for potential analgesic use; never commercialized.
Scientific Milestones
1974: Synthesis
1979: First illicit seizures in U.S.
1980s: Soviet “Krokodil” precursor
2021: Added to CDSA Schedule I
2025: Routine forensic reference
Evolution in Canadian Labs
Health Canada & CFS use 3-methylfentanyl for method validation; universities for receptor kinetics.
Reviews
There are no reviews yet.