4255 Caffeic acid Caffeic acid is a polyphenol present in normal human urine positively correlated to coffee consumption and influenced by the dietary intake of diverse types of food. (A3305). 331-39-5 1549111 C9H8O4 180.16 White powder. 225°C 2B, possibly carcinogenic to humans. (L135) This is a toxic chemical found in cigarettes or generated by tobacco combustion. 2014-08-29T05:52:27Z 2026-04-17T16:50:29Z Caffeic_acid C01481 17395 CAFFEATE DB01880 true OC(=O)\C=C/C1=CC=C(O)C(O)=C1 C9H8O4 InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2- QAIPRVGONGVQAS-RQOWECAXSA-N 180.1574 180.042258744 Exogenous Solid 1.15 HMDB01964 CHEMBL1320034 1266077 CHEM003161 DTXSID5020231 NS00010313 (2Z)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid