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Benzethidine: Wikis


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Systematic (IUPAC) name
ethyl 1-[2-(benzyloxy)ethyl]- 4-phenylpiperidine- 4-carboxylate
CAS number 3691-78-9
ATC code none
PubChem 62516
ChemSpider 56290
Chemical data
Formula C 23H29NO3  
Mol. mass 367.481 g/mol
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.  ?
Legal status Schedule I (CA) Class A (UK) Schedule I (US)
Routes  ?
 Yes check.svgY(what is this?)  (verify)

Benzethidine is a 4-phenylpiperidine derivative that is related to the opioid analgesic drug pethidine (meperidine).[1]

Benzethidine is not currently used in medicine and is a Class A/Schedule I drug which is controlled under UN drug conventions. It has similar effects to other opioid derivatives, such as analgesia, sedation, nausea and respiratory depression.[2]


  1. ^ Maul C, Buschmann H, Sundermann B. Opioids: 3.3 Synthetic Opioids. Analgesics 2005; 159-169. ISBN 9783527304035
  2. ^ Cahal DA, Dare JG, Keith D. A Sequential Trial of Analgesics in Labour. International Journal of Obstetrics and Gynaecology 1961; 68(1): 88–93.

UNODC Bulletin on Narcotics 1961



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