Temazepam Temazepam (marketed under brand names Normison, Temtabs, Euhypnos, Restoril, Remestan, Tenox, Temaze and Norkotral) is an intermediate-acting 3-hydroxy benzodiazepine. It is generally prescribed for the short-term treatment of sleeplessness in patients who have difficulty maintaining sleep. In addition, temazepam has anxiolytic (anti-anxiety), anticonvulsant, and skeletal muscle relaxant properties. Systematic (IUPAC) name 7-Chloro-1,3-dihydro- 3-hydroxy-1-methyl-5-phenyl- 1,4-benzodiazepin-2-one Identifiers CAS number 846-50-4 ATC code N05CD07 PubChem 5391 DrugBank APRD00676 ChemSpider 5198 Chemical data Formula C16H13ClN2O2 Mol. mass 300.7 g/mol SMILES eMolecules & PubChem Pharmacokinetic data Bioavailability 96% Metabolism Hepatic Half life 8–20 hours Excretion Renal Therapeutic considerations Pregnancy cat. C(AU) X(US) Legal status Prescription Only (S4) (AU) Schedule IV (CA) ? (UK) Schedule IV (US) IV (International) Routes Therapeutic: Oral Recreational Abuse: Intravenous (IV), Intramuscular (IM), Insufflated, Sprinkled in ethanol, smoked Y(what is this?) (verify)