|Jmol-3D images||Image 1|
|Molar mass||189.17 g mol−1|
|Melting point||245–250 °C|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)|
|(what is: / ?)|
α-Cyano-4-hydroxycinnamic acid, also written as alpha-cyano-4-hydroxycinnamic acid and abbreviated CHCA, is a cinnamic acid derivative and is a member of the phenylpropanoid family. It is used as a matrix for peptides and nucleotides in MALDI mass spectrometry analyses.