AH-7921 (Doxylam) is an opioid analgesic drug selective for the μ-opioid receptor, having around 90% the potency of morphine when administered orally. It was discovered in the 1970s by a team at Allen and Hanburys located in the United Kingdom. The drug is considered a new psychoactive substance (NPS), a designation of compounds designed to mimic the effects controlled substances. It has also been sold on the internet since 2012 as a "research chemical". When sold online it may be called the alternative name doxylam, not to be confused with doxylamine. AH-7921 has never progressed to clinical
{{Infobox drug | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477235538 | IUPAC_name = 3,4-dichloro-N-{[1-(dimethylamino)cyclohexyl]methyl}benzamide | image = AH-7921 structure.svg | image_class = skin-invert-image | width = 220 | image2 = AH-7921 3D BS.png | image_class2 = bg-transparent | width2 = 220
| tradename = | pregnancy_AU = | pregnancy_US = | pregnancy_category = | legal_AU = S9 | legal_BR = F1 | legal_CA = Schedule I | legal_UK = Class A | legal_US = Schedule I | legal_DE = Anlage II In General Unscheduled, Illegal in Sweden, Czech Republic, China, Brazil and Israel. | routes_of_administration = Recreational: insufflation, sublingual, intravenous, oral, rectal
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).