m-Coumaric acid

Names
Preferred IUPAC name (2E)-3-(3-Hydroxyphenyl)prop-2-enoic acid
Other names meta-Coumaric acid 3-Hydroxycinnamic acid
Identifiers
CAS Number	588-30-7 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:32357
ChemSpider	553147
ECHA InfoCard	100.008.742
EC Number	209-615-0
KEGG	C12621
PubChemCID	637541
UNII	KWJ2DDJ34H Y
CompTox Dashboard(EPA)	DTXSID001336224 DTXSID00891551, DTXSID001336224
InChI InChI=1S/C9H8O3/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-6,10H,(H,11,12)/b5-4+ Key: KKSDGJDHHZEWEP-SNAWJCMRSA-N InChI=1/C9H8O3/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-6,10H,(H,11,12)/b5-4+ Key: KKSDGJDHHZEWEP-SNAWJCMRBO
SMILES C1=CC(=CC(=C1)O)/C=C/C(=O)O
Properties
Chemical formula	C9H8O3
Molar mass	164.16 g/mol
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Infobox references

m-Coumaric acid is ahydroxycinnamic acid, an organic compound that is ahydroxy derivative ofcinnamic acid.^[1] There are threeisomers ofcoumaric acid –o-coumaric acid,m-coumaric acid, andp-coumaric acid – that differ by the position of the hydroxy substitution of the phenyl group.

m-Coumaric acid can be found invinegar.

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