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Caffeic acid

View entire compound with spectra: 25 NMR, 3 FTIR, 1 UV-Vis, and 9 MS (GC)

Caffeic acid
SpectraBase Compound ID EId8scFWYs0
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)/b4-2+
InChIKey QAIPRVGONGVQAS-DUXPYHPUSA-N
Mol Weight 180.16 g/mol
Molecular Formula C9H8O4
Exact Mass 180.042259 g/mol

13C Nuclear Magnetic Resonance (NMR) Chemical Shifts

13C Nuclear Magnetic Resonance (NMR) Chemical Shifts

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SpectraBase Spectrum ID HEnrrZs3l3w
Name 3,4-DIHYDROXYCINNAMIC ACID
Source of Sample Tokyo Kasei Kogyo Company, Ltd., Tokyo, Japan
CAS Registry Number 331-39-5
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C9H8O4
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)/b4-2+
InChIKey QAIPRVGONGVQAS-DUXPYHPUSA-N
Melting Point 195C
Molecular Weight 180.16
Solvent Dimethyl sulfoxide-d6; Reference=TMS Spectrometer= Bruker AC-300
Synonyms CINNAMIC ACID, 3,4-DIHYDROXY-, CAFFEIC ACID