SHANGHAI – China is adding the deadly elephant tranquilizer carfentanil and three related synthetic opioids to its list of controlled substances effective March 1, China’s National Narcotics Control Commission said Thursday.
The move closes a major loophole in the global regulation of a substance so lethal it has been used as a chemical weapon and described as a terrorist threat.
The U.S. Drug Enforcement Administration called China’s action a potential “game-changer” that is likely to reduce supply of key chemicals driving a surge of overdoses and deaths among unsuspecting drug users in North America. After China controlled 116 synthetic drugs in October 2015, seizures in the United States of compounds on that list plunged.
“It’s a substantial step in the fight against opioids here in the United States,” said Russell Baer, a DEA special agent in Washington. “We’re persuaded it will have a definite impact.”
China has emerged as an important source country for opioids like carfentanil, which burst into public view last summer when it appeared in the North American drug supply. Dealers cut fentanyls into heroin and other drugs to boost profit margins.
Beijing has taken a precedent-setting approach to regulation, even controlling chemicals, like fentanyls, that are not widely abused domestically. Chinese drug enforcement authorities have described the synthetic drug threat as a “world-wide problem” and urged “all countries to strengthen the control of new psychoactive substances and work on decreasing demand.”
Beijing already regulates fentanyl and 18 related compounds. China said it is also placing carfentanil’s less-potent cousins furanyl fentanyl, acryl fentanyl and valeryl fentanyl under control. All are prevalent in the U.S. drug supply, Baer said. The DEA confirmed more than 400 seizures of carfentanil across eight U.S. states from July through October. Ohio was hardest hit.
In October, The Associated Press identified 12 Chinese companies that offered to export carfentanil around the world for a few thousand dollars a kilogram (2.2. pounds), no questions asked. That same month China began evaluating whether to add carfentanil and the three other fentanyls to its list of controlled substances. Usually, the process can take nine months. This time, it took just four.
Both the DEA and U.S. State Department have pressed China to make carfentanil a controlled substance. Though Beijing has said U.S. assertions that China is the top source of fentanyls lack evidence, the two countries have been deepening cooperation as the U.S. opioid epidemic intensifies.
U.S. opioid demand is driving the proliferation of a new class of deadly synthetic drugs, made by nimble chemists to stay one step ahead of new rules like this one. As soon as one substance is banned, others proliferate. After Beijing tightened its focus on fentanyls late last year, the AP documented how Chinese vendors began to actively market alternative opioids , like U-47700.
“We don’t think their scheduling actions will end with just these four,” Baer said.
Carfentanil is the most potent commercial opioid in the world, according to the U.S. Drug Enforcement Agency. It is 10,000 times stronger than morphine, and at least 100 times more powerful than its analog, the opioid fentanyl, which was linked to Prince’s untimely death. Carfentanil’s only officially recognized use is to sedate large zoo animals like moose, buffalo and elephants.
It takes just two milligrams of Carfentanil to knock out a 2,000-pound African elephant, and the veterinarians who administer the drug use gloves and face masks to prevent exposure to it, because a dose the size of a grain of salt could kill a person – and may be lethal even when absorbed through the skin. To be clear, Carfentanil is not for human consumption in any way. This does not stop drug dealers from adding a microscopic amount to heroin to give the drug an even more potent high – even though it’s often fatal.
By Erika Kinetz | The Associated Press
Associated Press researcher Fu Ting contributed to this report from Shanghai.
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