Propallylonal (trade names Nostal, Quietal, Ibomal) is a barbiturate derivative invented in the 1920s.^[1] It has sedative, hypnotic and anticonvulsant properties,^[2] and is still rarely prescribed as a sleeping medication in some Eastern-European countries.

Quick Facts Clinical data, Other names ...

Propallylonal

Clinical data
Other names	5-isopropyl-5-(β-bromoallyl)barbituric acid
ATC code	none
Legal status
Legal status	CA: Schedule IV
Identifiers
IUPAC name 5-(2-bromoprop-2-en-1-yl)-5-isopropylpyrimidine-2,4,6(1H,3H,5H)-trione
CAS Number	545-93-7 N
PubChem CID	11020
ChemSpider	10554 Y
UNII	1ER3Z9GUQH
CompTox Dashboard (EPA)	DTXSID00202906
ECHA InfoCard	100.008.088
Chemical and physical data
Formula	C10H13BrN2O3
Molar mass	289.129 g·mol−1
3D model (JSmol)	Interactive image
SMILES O=C1NC(=O)NC(=O)C1(C(C)C)CC(\Br)=C
InChI InChI=1S/C10H13BrN2O3/c1-5(2)10(4-6(3)11)7(14)12-9(16)13-8(10)15/h5H,3-4H2,1-2H3,(H2,12,13,14,15,16) Y Key:KTGWBBOJAGDSHN-UHFFFAOYSA-N Y
NY (what is this?)  (verify)

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