The Pulse



Unlikely mortality risk
Highly likely Mortality risk


A synthetic opioid 7.5-8 times more potent than Morphine. In 2016, DEA classified it as a Schedule 1 narcotic. It has had no medical use in the United States. Originally developed by the pharmaceutical company Upjohn in the 1970s. It started emerging in 2014.

Learn more about U-47700

Other Names

Pink, pinky, pink heroin

Where Do People Get It?

It’s sold on the internet as a research chemical, it’s also sold on the street. It’s often pressed into pills and made to look like prescription Oxy IR, often combined with Heroin or Fentanyl.

How It Is Dangerous?

Research suggests it has enhanced brain penetration, it’s more attracted to lipids than Morphine, which makes for longer half-life (researchers think around 6.5 hours). There have been many overdose fatalities, contributed to Prince’s overdose and subsequent death. It’s unable to be detected on most UDS screens, but Lab Corp does have a test for it.

If you or a loved one is struggling with substance use, call Gallus at
(888) 306-3122.