Not to be confused with Heptabarbital.
Clinical data
ATC code None
Legal status
Legal status
CAS Number 76-94-8
PubChem (CID) 66160
ChemSpider 59547
ECHA InfoCard 100.000.905
Chemical and physical data
Formula C11H10N2O3
Molar mass 218.209 g/mol
3D model (Jmol) Interactive image

Heptobarbital (Rutonal), also known as phenylmethylbarbituric acid is a barbiturate derivative.[1][2][3] It has often been confused with methylphenobarbital because both drugs contain a methylphenyl moiety and are overall very similar in structure.

See also


  1. Martin, J. R.; Godel, T.; Hunkeler, W.; Jenck, F.; Moreau, J.-L; Sleight, A. J.; Widmer, U. (11 January 2001). Kirk-Othmer Encyclopedia of Chemical Technology, 4th Edition. Zeitschrift für Klinische Chemie und Klinische Biochemie. 5. Wiley Interscience. doi:10.1002/0471238961.1619250313011820.a01. ISBN 978-0-471-41961-7.
  2. "Phenylmethylbarbituric Acid: Analysis of Drugs and Poisons". Retrieved 28 November 2011.
  3. Sinnema YA (January 1967). "The identification and determination of barbiturates in serum". Zeitschrift für Klinische Chemie Und Klinische Biochemie. 5 (1): 21–5. PMID 5594996.
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