Propyliodone

Propyliodone
Clinical data
Other names	propyl (3,5-diiodo-4-oxopyridin-1(4H)-yl)acetate
ATC code	V08AD03 ( WHO );
Identifiers
	IUPAC name propyl 2-(3,5-diiodo-4-oxo-1,4-dihydropyridin-1-yl)acetate;
CAS Number	587-61-1 ;
PubChem CID	4949 ;
ChemSpider	4780 ;
UNII	5NPJ6BPX36 ;
ChEMBL	ChEMBL1200821 ;
CompTox Dashboard (EPA)	DTXSID6023527 ;
ECHA InfoCard	100.008.731
Chemical and physical data
Formula	C10H11I2NO3
Molar mass	447.011 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES CCCOC(=O)CN1C=C(C(=O)C(=C1)I)I;
	InChI InChI=1S/C10H11I2NO3/c1-2-3-16-9(14)6-13-4-7(11)10(15)8(12)5-13/h4-5H,2-3,6H2,1H3 ; Key:ROSXARVHJNYYDO-UHFFFAOYSA-N ;
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Last updated January 11, 2026

Propyliodone (INN, trade name Dionosil) is a molecule used as a contrast medium in bronchography.^[1] It was developed by a team at Imperial Chemical Industries ^[2] in the late 1930s.

References

↑ Pfeifer W, Seidel K (February 1958). "[Experiences with propyliodone bronchography]". Medizinische Klinik (in German). 53 (8): 293–5. PMID 13540854.
↑ GB 517382

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[pmid13540854-1] Pfeifer W, Seidel K (February 1958). "[Experiences with propyliodone bronchography]". Medizinische Klinik (in German). 53 (8): 293–5. PMID 13540854.

[2] GB 517382

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