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Carfentanil or carfentanyl, sold under the brand name Wildnil, is an extremely potent opioid analgesic used in veterinary medicine to anesthetize large animals such as elephants and rhinoceroses. [1] It is an analogue of fentanyl , of which it is structurally derivative.
Carfentanil, one of the two fentanyl derivatives used in the Moscow theater hostage crisis was actively marketed by several Chinese chemical companies at the time. Carfentanil was not a controlled substance in China, where it was manufactured legally and sold openly over the Internet up until May 1, 2017, when a ban on fentanyl and all fentanyl ...
The chemical agent used in the Moscow theatre hostage crisis of 26 October 2002 has never been definitively revealed by the Russian authorities, though many possible identities have been speculated. An undisclosed incapacitating agent was used by the Russian authorities in order to subdue the Chechen terrorists who had taken control of a ...
Carfentanil, a fentanyl analog, has an additional carboxylic acid group attached to the 4 position. Carfentanil is 20–30 times as potent as fentanyl and is common in the illicit drug chain. The drug is commonly used to tranquilize elephants and other large animals. [122]
A bill that would decriminalize all the strips used to test deadly drugs in West Virginia, the state with the nation's highest overdose rate, is headed to the desk of Republican Gov. Jim Justice.
These stereoisomers are among the most potent μ-opioid receptor agonists known, comparable to super-potent opioids such as carfentanil and etorphine which are only legally used for tranquilizing large animals such as elephants in veterinary medicine.
Lofentanil is very similar to carfentanil in effects, but has a longer duration of action. [3] This makes it unsuitable for most practical applications, with carfentanil being the preferred agent for tranquilizing large animals, and short-acting derivatives such as sufentanil or remifentanil being preferred for medical use in human surgical ...
Other opioid analogs even more potent still than 3-MF are known, such as carfentanil and ohmefentanyl, [10] but these are significantly more difficult to manufacture than 3-methylfentanyl. Since 2016 fentanyl seizures in Estonia contains mostly carfentanil or cyclopropylfentanyl. [11]