2,4,5-Trihydroxycinnamic acid

2,4,5-Trihydroxycinnamic acid
Names
	Preferred IUPAC name (2E)-3-(2,4,5-Trihydroxyphenyl)prop-2-enoic acid
	Other names 2,4,5-THC; (Z)-2,4,5-Trihydroxycinnamic acid
Identifiers
CAS Number	2631046-97-2 ; 56437-15-1 (non-specific) ;
3D model (JSmol)	Interactive image ;
ChEMBL	ChEMBL1765652 ;
ChemSpider	14089396 ;
PubChem CID	25244000 ;
UNII	JMT8N4J5PA ;
	InChI InChI=1S/C9H8O5/c10-6-4-8(12)7(11)3-5(6)1-2-9(13)14/h1-4,10-12H,(H,13,14)/b2-1- Key: GUOJZFSYQUIYCN-UPHRSURJSA-N;
	SMILES OC(=O)\C=C\c(cc1O)c(O)cc1O;
Properties
Chemical formula	C9H8O5
Molar mass	196.158 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated November 25, 2025

2,4,5-Trihydroxycinnamic acid is a hydroxycinnamic acid found in rooibos tea.^[1]cis-2,4,5-Trihydroxycinnamic acid can be isolated from seeds of Alisma orientale .^[2]

References

↑ Rabe, Charlene; Steenkamp, Jacobus A.; Joubert, Elizabeth; Burger, Johann F.W.; Ferreira, Daneel (1994). "Phenolic metabolites from rooibos tea (Aspalathus linearis)". Phytochemistry. 35 (6): 1559. doi:10.1016/S0031-9422(00)86894-6.
↑ Zhao, M; Chen, J. Y.; Xu, L. J.; Goedecke, T; Zhang, X. Q.; Duan, J. A.; Che, C. T. (2012). "Cis-aconitic anhydride ethyl ester and phenolic compounds from the seeds of Alisma orientale". Natural Product Communications. 7 (6): 785–7. doi: 10.1177/1934578X1200700624 . PMID 22816308. S2CID 21479738.

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[1] Rabe, Charlene; Steenkamp, Jacobus A.; Joubert, Elizabeth; Burger, Johann F.W.; Ferreira, Daneel (1994). "Phenolic metabolites from rooibos tea (Aspalathus linearis)". Phytochemistry. 35 (6): 1559. doi:10.1016/S0031-9422(00)86894-6.

[2] Zhao, M; Chen, J. Y.; Xu, L. J.; Goedecke, T; Zhang, X. Q.; Duan, J. A.; Che, C. T. (2012). "Cis-aconitic anhydride ethyl ester and phenolic compounds from the seeds of Alisma orientale". Natural Product Communications. 7 (6): 785–7. doi: 10.1177/1934578X1200700624 . PMID 22816308. S2CID 21479738.

[1]

[2]

Names

Preferred IUPAC name (2E)-3-(2,4,5-Trihydroxyphenyl)prop-2-enoic acid
Other names 2,4,5-THC (Z)-2,4,5-Trihydroxycinnamic acid
Identifiers
CAS Number	2631046-97-2 ^N 56437-15-1 (non-specific)^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL1765652
ChemSpider	14089396
PubChem CID	25244000
UNII	JMT8N4J5PA ^Y
InChI InChI=1S/C9H8O5/c10-6-4-8(12)7(11)3-5(6)1-2-9(13)14/h1-4,10-12H,(H,13,14)/b2-1- Key: GUOJZFSYQUIYCN-UPHRSURJSA-N
SMILES OC(=O)\C=C\c(cc1O)c(O)cc1O
Properties
Chemical formula	C₉H₈O₅
Molar mass	196.158 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references