Title: Enallylpropymal
CAS Registry Number: 1861-21-8
CAS Name: 1-Methyl-5-(1-methylethyl)-5-(2-propenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione
Additional Names: 5-allyl-5-isopropyl-1-methylbarbituric acid; N-methyl-5-allyl-5-isopropylbarbituric acid
Molecular Formula: C11H16N2O3
Molecular Weight: 224.26
Percent Composition: C 58.91%, H 7.19%, N 12.49%, O 21.40%
Literature References: Prepn: Schnider, US 2072829 and GB 454779 (1937, 1936, both to Hoffmann-La Roche).
Properties: Crystals, mp 56-57°. bp12 176-178°. Soluble in organic solvents.
Melting point: mp 56-57°
Boiling point: bp12 176-178°
Derivative Type: Sodium salt
CAS Registry Number: 59005-68-4
Trademarks: Narconumal
Molecular Formula: C11H15N2NaO3
Molecular Weight: 246.24
Percent Composition: C 53.65%, H 6.14%, N 11.38%, Na 9.34%, O 19.49%
Properties: Sol in water.
NOTE: This is a controlled substance (depressant): 21 CFR, 1308.13.
Therap-Cat: Sedative, hypnotic.
Keywords: Sedative/Hypnotic; Barbituric Acid Derivatives.
Status: This monograph has been retired and is no longer subject to revision or update.
Enanthotoxin Encainide Enciprazine Endiandric Acids Endobenzyline Bromide

Systematic (IUPAC) name
Clinical data
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CAS number 1861-21-8
ATC code None
PubChem CID 95636
Synonyms Enallylpropymal
Chemical data
Formula C11H16N2O3 
Mol. mass 224.256 g/mol
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Enallylpropymal (Narconumal) is a barbiturate derivative developed by Hoffman la Roche in the 1930s.[1] It has sedative and hypnotic effects and is considered to have a moderate abuse potential.[2]