Benzobarbital ball-and-stick.png
Clinical data
Synonyms Benzonal
ATC code
  • none
CAS Number
PubChem CID
Chemical and physical data
Formula C19H16N2O4
Molar mass 336.341 g/mol g·mol−1
3D model (JSmol)
 ☒N☑Y (what is this?)  (verify)

Benzobarbital (Benzonal) is a barbiturate derivative. It has anticonvulsant effects and has been used for the treatment of epilepsy.

It has similar liver enzyme inducing effects to the closely related drug phenobarbital, which may be exploited in some clinical applications.


  1. ^ Okudzhava, V. M.; Chankvetadze, B. G. (1989). “Pharmacological characteristics of an anti-convulsive drug Benzonal and the evaluation of its therapeutic effectiveness (literature review)”. Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (in Russian). 89 (11): 136–145. ISSN 0044-4588. PMID 2696306.
  2. ^ Nadzhimutdinov, K. N.; Khakimov, Z. Z.; Kabulov, Sh. M. (1992). “The advantages of benzonal as an inducer of the liver mono-oxygenase enzyme system compared to phenobarbital”. Eksperimental’naia I Klinicheskaia Farmakologiia (in Russian). 55 (1): 68–71. ISSN 0869-2092. PMID 1305441.
  3. ^ Novozheeva, T. P.; Saratikov, A. S.; Grishanova, A. U.; Gutkina, N. I.; Akhmedzhanov, R. R.; Khatsenko, O. G.; Kozlovskaia, N. E. (1991). “Benzonal–a phenobarbital-type of inducer of the mono-oxygenase system”. Biulleten’ Eksperimental’noi Biologii I Meditsiny (in Russian). 111 (2): 163–165. ISSN 0365-9615. OCLC 613807502. PMID 1854958.