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Systematic (IUPAC) name
isopropyl 1-methyl-4-phenylpiperidine-4-carboxylate
Legal status
Legal status
CAS Number 561-76-2 N
ATC code none
PubChem CID 62373
ChemSpider 56161 YesY
UNII R1493W1CJ0 YesY
Synonyms Ipropethidine
Chemical data
Formula C16H23NO2
Molar mass 261.36 g/mol
 NYesY (what is this?)  (verify)

Properidine is an opioid analgesic and the isopropyl analog of pethidine.[1] Properidine is under international control and is listed in the United States under the Controlled Substances Act 1970 as a Schedule I Narcotic with an ACSCN of 9644 and a 2 gramme annual aggregate manufacturing quota as of 2014. The salt in use is the hydrochloride, with a free base conversion ratio of 0.88.[2]


  1. ^ Morrison, A. L.; Rinderknecht, H. (1950). "302. Synthetic analgesics. Part V. Compounds related to pethidine". Journal of the Chemical Society (Resumed): 1467. doi:10.1039/JR9500001467. 
  2. ^