Tyropanoic acid
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Preferred IUPAC name
2-[(3-Butanamido-2,4,6-triiodophenyl)methyl]butanoic acid | |
| Other names
2-(3-Butyramido-2,4,6-triiodobenzyl)butanoic acid
2-[[2,4,6-Triiodo-3-(1-oxobutylamino)phenyl]methyl]butanoic acid | |
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3D model (JSmol)
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| ECHA InfoCard | 100.043.976 |
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| MeSH | D014441 |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| C15H18I3NO3 | |
| Molar mass | 641.02 g/mol |
| Pharmacology | |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tyropanoic acid and its salt sodium tyropanoate are radiocontrast agents used in cholecystography (X-ray diagnosis of gallstones). Trade names include Bilopaque, Lumopaque, Tyropaque, and Bilopac. This molecule contains three heavy iodine atoms which obstruct X-rays in the same way as the calcium in bones to produce a visible image. After injection it is rapidly excreted into the bile.
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