Caffeic acid

CAS Registry Number®

331-39-5

CAS Name

Caffeic acid

Molecular Formula

C9H8O4

Molecular Mass

180.16

Cite this Page

Caffeic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=331-39-5 (retrieved 2024-12-25) (CAS RN: 331-39-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    225 °C (decomp)

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)

InChIKey

InChIKey=QAIPRVGONGVQAS-UHFFFAOYSA-N

SMILES

C(=CC(O)=O)C1=CC(O)=C(O)C=C1

Canonical SMILES

O=C(O)C=CC1=CC=C(O)C(O)=C1

Other Names for this Substance

  • 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-
  • Cinnamic acid, 3,4-dihydroxy-
  • 3-(3,4-Dihydroxyphenyl)-2-propenoic acid
  • Caffeic acid
  • 3,4-Dihydroxycinnamic acid

CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.