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Clinical data
ATC code
  • None
Legal status
Legal status
CAS Number
PubChem CID
ECHA InfoCard 100.000.905
Chemical and physical data
Formula C11H10N2O3
Molar mass 218.209 g/mol
3D model (JSmol)

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[edit]


  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.