U-47700, also known as U4, pink heroin, pinky, and pink, is an opioid analgesic drug developed by a team at Upjohn in the 1970s [1] which has around 7.5 times the potency of morphine in animal models.

U-47700, known on the streets as Pink or U4, is a dangerous designer drug exported from illegal labs in China to the U.S. It has effects like a strong opioid analgesic, and have been reported to be 7 to 8 times more potent than morphine.

2023年1月17日 · U-47700, often known by the street name Pink, is an illegal Schedule I narcotic that has been surging across the United States. A potent opioid, it is often mixed with other opioids or sold as a counterfeit prescription pill, carrying a risk of overdose and death.

2025年1月3日 · U-47700, nicknamed “U4,” “pink,” or “pinky,” is a highly potent synthetic opioid that looks like a white or light pink powder. A lot of times, it is often either sold in baggies or pressed into pills to look like legal painkillers.

Herein, we present an overview of the rise of a synthetic opioid known as U-47700. We describe U-47700's history, legal status, ease of obtainment, consequences of its use, and a proposal to increase the awareness of this synthetic opioid.

2016年10月4日 · U-47700 is said to be about seven and a half times the strength of morphine – and that’s only if it’s manufactured to the exact specifications of the patent. With underground labs in China...

2016年11月10日 · U-47700 is a novel synthetic opioid, and its abuse parallels that of heroin, prescription opioids, and other novel opioids. Law enforcement agencies report seizures of the drug in powder form and counterfeit tablets that mimic pharmaceutical opioids.

2016年11月1日 · However, it turned out to be a drug they’d never seen before – a synthetic opioid called U-47700 – known to some as “pink” or “pinky.” While nearly eight times stronger than morphine, it’s still...

Here, we review the medicinal chemistry, preclinical pharmacology, clandestine availability, methods for detection, and forensic toxicology of U-47700 and its analogs. An up-to-date summary of the human cases involving U-47700 intoxication and death are described.

2020年11月23日 · Here, we review the medicinal chemistry, preclinical pharmacology, clandestine availability, methods for detection, and forensic toxicology of U-47700 and its analogs. An up-to-date summary of the human cases involving U …