ANPP

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Created Apr 2019

ANPP

  • [DESPROPIONYL FENTANYL]

4-ANILINO-N-PHENETHYL-4-PIPERIDINE (ANPP)

DEA CODE 8333: Schedule 2

Tom Petty died from, according to the New York Times headline, an "Accidental Drug Overdose." Here's the coroner's list of the drugs found in Petty's system:
fentanyl, oxycodone, temazepam, alprazolam, citalopram, acetyl fentanyl and despropionyl fentanyl.

Petty's death is not accurately classified as an overdose. He died due to a dangerous mixture of opioid drugs. Such drug intake, often classified as "chaotic" drug use, is the source of over 90% of deaths involving drugs, so much so that the CDC now classifies these deaths as "drug poisonings" rather than as "overdoses."

"But what concerns me even more are the last two drugs: acetyl fentanyl and despropionyl fentanyl. These are nonprescription, synthetic opioid relatives of fentanyl that are not used medically. Despropionyl fentanyl is better known by its acronym, ANPP is more often seen as an illicit chemical precursor in the synthesis of other designer fentanyls and, according to Cayman Chemical, is sometimes found as an unreacted impurity in illicit fentanyl preparations. How Petty might have been exposed to these two compounds on top of the prescription opioids is concerning.

  
Harrowing new details in Hayden Panettiere’s death scene emerge after star’s tragic drug overdose aged 36 - HARROWING details of Hayden Panettiere’s death scene have been revealed in a new report. The circumstances of the Nashville star’s death have emerged after she suffered from what cops ...
Tuesday September 22, 2026 - the-sun.com

Fentanyl and other drugs killed Hayden Panettiere; officials look for supplier - Hayden Panettiere died from fentanyl and a mix of other drugs, according to a coroner's report released Tuesday.
Tuesday September 22, 2026 - yahoo.com

4-ANPP: Fentanyl in Waiting - 4-ANPP is not a term that most of you know but it's hugely important. It is the chemical that is the precursor to fentanyl. Although 4-ANPP is not an opioid, there is not a single thing anyone would ...
Tuesday January 10, 2023 - acsh.org

Hayden Panettiere's death was caused by the toxic effects of fentanyl and other drugs, ruled accidental - The Greenville County Coroner's Office said that the 36-year-old's cause of death has been ruled as "toxic effects of fentanyl, 4-ANPP, Alprazolam, Methocarbamol and Quetiapine." The manner of death h ...
Tuesday September 22, 2026 - msn.com

Hayden Panettiere died due to toxic effects of fentanyl, prescription drugs: Coroner - Toxicology reports show actor Hayden Panettiere died due to toxic effects of multiple prescription drugs and fentanyl.
Tuesday September 22, 2026 - msn.com

Hayden Panettiere's death ruled accidental from drugs, including fentanyl: Coroner - Panettiere died in August at an apartment in Greenville.
Tuesday September 22, 2026 - msn.com

Hayden Panettiere died from fentanyl overdose, coroner says - “Heroes” and “Nashville” star Hayden Panettiere’s death has been ruled an accident caused by the toxic effects of multiple drugs, including fentanyl, officials said Monday.
Wednesday September 23, 2026 - msn.com

  
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