Names | |
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Preferred IUPAC name
(2E)-3-(1H-imidazol-4-yl)prop-2-enoic acid | |
Other names
(E)-3-(1H-imidazol-4-yl)acrylic acid
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.002.963 |
MeSH | Urocanic+acid |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C6H6N2O2 | |
Molar mass | 138.124 g/mol |
Melting point | 225 °C (437 °F; 498 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Urocanic acid (formally trans-Urocanic acid) is an intermediate in the catabolism of L-histidine. The cis-urocanic acid isomer is rare.