Frakefamide TFA is a highly potent analgesic that acts as a peripheral active μ-specific receptor agonist. Frakefamide is unable to penetrate the blood-brain-barrier and enter the central nervous system. References: [1]. Modalen AO, et al. A novel molecule (frakefamide) with peripheral opioid properties: the effects on resting ventilation compared with morphine and placebo. Anesth Analg. 2005 Mar;100(3):713-7. [2]. Swedberg MD, et al. Drug discrimination: A versatile tool for characterization of CNS safety pharmacology and potential for drug abuse. J Pharmacol Toxicol Methods. 2016 Sep-Oct;81:295-305.

纯度：≥98%