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p-coumaric acid; 4-hydroxycinnamic acid; hydroxycinnamic acid; 4-hydroxy cinnamic acid


Name(s) p-coumaric acid; 4-hydroxycinnamic acid; hydroxycinnamic acid; 4-hydroxy cinnamic acid
Scientific name(s) p-coumaric acid; p-hydroxycinnamic acid; 4-coumaric acid; trans-4-hydroxycinnamic acid; 7400-08-0; trans-p-coumaric acid; 4-hydroxycinnamic acid
Formula C9H8O3
Molecular mass 164.16
IUPAC name (e)-3-(4-hydroxyphenyl)prop-2-enoic acid
INCHI InChI=1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+
SMILE OC(=O)\C=C\C1=CC=C(O)C=C1
CAS ID 7400-08-0; 501-98-4
PubChem ID 637542
DrugBank ID DB04066
CHEBI ID Not available
Description Coumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative of cinnamic acid. There are three isomers, o-coumaric acid, m-coumaric acid, and p-coumaric acid, that differ by the position of the hydroxy substitution of the phenyl group. p-Coumaric acid is the most abundant isomer of the three in nature. p-Coumaric acid is found in many foods, some of which are garden onion, turmeric, green bell pepper, and common thyme.