Α-Cyano-4-hydroxycinnamic acid

α-Cyano-4-hydroxycinnamic acid
Names
	Preferred IUPAC name (2E)-2-Cyano-3-(4-hydroxyphenyl)prop-2-enoic acid
	Other names α-Cyano-p-hydroxycinnamic acid; 2-Cyano-4-hydroxycinnamic acid; 2-Cyano-3-(4-hydroxyphenyl)-2-propenoic acid; 2-Cyano-3-(4-hydroxyphenyl)-2-acrylic acid; 4-Hydroxy-α-cyanocinnamic acid
Identifiers
CAS Number	28166-41-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:64340 ;
ChemSpider	4485953 ;
ECHA InfoCard	100.044.421
PubChem CID	5328791;
UNII	NL5EEM9E2G ;
	InChI InChI=1S/C10H7NO3/c11-6-8(10(13)14)5-7-1-3-9(12)4-2-7/h1-5,12H,(H,13,14)/b8-5+ Key: AFVLVVWMAFSXCK-VMPITWQZSA-N ; InChI=1/C10H7NO3/c11-6-8(10(13)14)5-7-1-3-9(12)4-2-7/h1-5,12H,(H,13,14)/b8-5+ Key: AFVLVVWMAFSXCK-VMPITWQZBB;
	SMILES c1cc(ccc1/C=C(\C#N)/C(=O)O)O;
Properties
Chemical formula	C10H7NO3
Molar mass	189.170 g·mol−1
Appearance	Yellow powder
Melting point	245 to 250 °C (473 to 482 °F; 518 to 523 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

α-Cyano-4-hydroxycinnamic acid, also written as alpha-cyano-4-hydroxycinnamic acid and abbreviated CHCA or HCCA, is a cinnamic acid derivative and is a member of the phenylpropanoid family. The carboxylate form is α-cyano-4-hydroxycinnamate.