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Thenylfentanyl Powder is a fentanyl analog. It was temporarily placed in the US Schedule I by emergency scheduling in 1985 due to concerns about its potential for abuse as a designer drug, but this placement was allowed to expire and benzylfentanyl was formally removed from controlled substance listing in 2010, after the DEAs testing determined it to be essentially inactive as an opioid. Benzylfentanyl has a Ki of 213 nM at the mu opioid receptor, binding around 1/200 as strong as fentanyl itself, though it is still slightly more potent than codeine.Buy Thenylfentanyl Powder
Side effects of fentanyl analogs are similar to those of fentanyl itself, which include itching, nausea, and potentially serious respiratory depression which can be life-threatening. Fentanyl analogs have killed hundreds of people throughout Europe and the former Soviet republics since the most recent resurgence in use began in Estonia in the early 2000s, and novel derivatives continue to appear.
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Molecular Formula: C19H24N2OS
Molecular Weight: 328.5 g/mol
In the United States, fentanyl-related substances are Schedule I controlled substances. Benzylfentanyl is illegal in Germany (Anlage I)
The indications for this drug are as follows: 1. As an analgesic adjunct in the maintenance of balanced general anesthesia in patients who are intubated and ventilated. 2. As a primary anesthetic agent for the induction and maintenance of anesthesia with 100% oxygen in patients undergoing major surgical procedures, in patients who are intubated and ventilated, such as cardiovascular surgery or neurosurgical procedures in the sitting position, to provide favorable myocardial and cerebral oxygen balance or when extended postoperative ventilation is anticipated. 3. For epidural administration as an analgesic combined with low dose (usually 12.5 mg per administration) bupivacaine usually during labor and vaginal delivery 4. The sublingual form is indicated for the management of acute pain in adults that is severe to warrant the use of an opioid analgesic in certified medically supervised healthcare settings, including hospitals, surgical centers, and emergency departments.
Mechanism of Action
Sufentanil is a synthetic, potent opioid with highly selective binding to ?-opioid receptors [F2009]. These receptors are widely distributed in the human brain, spinal cord, and other tissues [A39636], [A39637]. In general, opioids decrease cAMP (affecting neural signaling pathways), decrease neurotransmitter release, and cause membrane hyperpolarization, all of which contribute to the relief of painful symptoms [A39637]. Opiate receptors are coupled with G-protein receptors and function as both positive and negative regulators of synaptic neural transmission via G-proteins that activate effector proteins. Binding of the opiate receptor leads to the exchange of GTP for GDP on the G-protein complex. As the effector system is adenylate cyclase and cAMP, located at the inner surface of the plasma membrane, opioids decrease intracellular cAMP by inhibiting adenylate cyclase. The release of nociceptive neurotransmitters such as substance P, GABA, dopamine, acetylcholine, and noradrenaline is then inhibited [A39637]. Opioids close N-type voltage-operated calcium channels (OP2-receptor agonist), also preventing neurotransmitter release [A39637]. Sufentanil and other opioids open calcium-dependent inwardly rectifying potassium channels, resulting in hyperpolarization and reduced neuronal excitability [A39636], [A39637].