4-AcO-DiPT

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4-AcO-DiPT, also known as 4-acetoxy-DiPT or ipracetin, is a psychedelic drug in the tryptamine family. It’s usually taken by mouth. Scientists think it works as a prodrug for 4-HO-DiPT, meaning the body converts it into the active compound 4-HO-DiPT, which activates serotonin receptors—especially the 5-HT2A receptor—leading to psychedelic effects. In animal studies, it can cause a head-twitch response, a sign of psychedelic activity.

Historically, 4-AcO-DiPT was described by Alexander Shulgin by 2003 and appeared as a designer drug around 2005. Shulgin’s notes suggest an oral dose range of about 6–10 mg. For comparison, the related compound 4-HO-DiPT is listed at 15–20 mg in the same review.

Chemically, it belongs to the same DiPT-related family as DiPT, 4-HO-DiPT (iprocin), psilocin (4-HO-DMT), and 4-AcO-DMT (psilacetin). There are several analogues in this family, such as 4-AcO-DET, 4-AcO-DPT, and 4-AcO-DALT, among others.

Legal status varies by country. 4-AcO-DiPT has been controlled in some places (for example, Sweden and Japan). In the United States, it is not federally scheduled, but possession can be prosecuted as an analog of other scheduled tryptamines in some cases.