Clinical data
  • ?
Routes of
ATC code N05CA11 (WHO)
Legal status
Legal status
Pharmacokinetic data
Bioavailability 83%[1]
Metabolism Hepatic
Biological half-life 6.1-11.2 hours[1]
Excretion Renal[1]
Synonyms G-475
CAS Number 509-86-4
PubChem (CID) 10518
DrugBank DB01354 YesY
ChemSpider 10081 YesY
UNII V10R70ML23 YesY
KEGG C17725 YesY
ECHA InfoCard 100.007.371
Chemical and physical data
Formula C13H18N2O3
Molar mass 250.294 g/mol
3D model (Jmol) Interactive image

Heptabarb (INN; Eudan, Medapan, Medomin, Noctyn), also known as heptabarbitone (BAN) or heptabarbital, is a sedative and hypnotic drug of the barbiturate family.[2][3] It was used in Europe for the treatment of insomnia from the 1950s onwards, but has since been discontinued.[2][3]

See also


  1. 1 2 3 4 Breimer DD, de Boer AG (December 1975). "Pharmacokinetics and relative bioavailability of heptabarbital and heptabarbital sodium after oral administration to man". European Journal of Clinical Pharmacology. 9 (2-3): 169–78. doi:10.1007/bf00614014. PMID 9299.
  2. 1 2 C. R Ganellin; D. J Triggle; F.. Macdonald (1997). Dictionary of pharmacological agents. CRC Press. p. 1003. ISBN 978-0-412-46630-4. Retrieved 26 November 2011.
  3. 1 2 Index nominum 2000: international drug directory. Taylor & Francis US. 2000. p. 513. ISBN 978-3-88763-075-1. Retrieved 26 November 2011.

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