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Systematic (IUPAC) name
Clinical data
Trade names Etizolam-2
Pregnancy cat.
  • N
Legal status
  • UK: Unscheduled
  • US: Unscheduled
Routes Oral, Sublingual
Pharmacokinetic data
Bioavailability >90%
Metabolism Hepatic
Half-life 10-48 hrs (~20 hrs)
Excretion Renal
CAS number 40054-73-7 YesY
ATC code N05BA19
PubChem CID 827322
ChemSpider 722596 YesY
Chemical data
Formula C17H16N4S 
Mol. mass 308.40 g/mol

Deschloroetizolam is a thienodiazepine which is a benzodiazepine analog, closely related to etizolam (Etilaam), triazolam (Halcion), and alprazolam (Xanax).[1] It first appeared in grey market channels in 2014.

Like other drugs of its class, it possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties. It is expected to be about half as potent and twice as long lasting as etizolam, based upon the analogy between triazolam and alprazolam.


Deschloroetizolam is predicted to have an equivalence of 2 mg to 10 mg diazepam.[citation needed] It is expected to have a similar bioavailibility, similar time to onset, and longer elimination half life than its parent drug, etizolam.

See also[edit]



  1. ^ THIENYLAZOLE COMPOUND AND THIENOTRIAZOLODIAZEPINE COMPOUND. Patent EP 0776892. Yoshitomi Pharmaceuticals, 1997.
  2. ^ "Deschloro-etizolam: a new thienodiazepine research chemical". Retrieved 21 July 2014.