Names | |
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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 | |
3D model (
JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.044.421 |
PubChem
CID
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UNII | |
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Properties | |
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).
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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.
α-Cyano-4-hydroxycinnamic acid is used as a matrix for peptides and nucleotides in MALDI mass spectrometry analyses. [1] [2]