Gallagic acid

Gallagic acid
Names
	Preferred IUPAC name 2,2′-(1,2,6,7-Tetrahydroxy-4,9-dioxo-4,9-dihydro-[1]benzopyrano[5,4,3-cde][1]benzopyran-3,8-diyl)bis(3,4,5-trihydroxybenzoic acid)
Identifiers
CAS Number	65995-62-2 ;
3D model (JSmol)	Interactive image;
PubChem CID	14754405;
UNII	TSN85LPS4R ;
CompTox Dashboard (EPA)	DTXSID80563643 ;
	InChI InChI=1S/C28H14O18/c29-5-1-3(25(39)40)7(17(33)15(5)31)9-13-11-12-14(28(44)46-23(11)21(37)19(9)35)10(20(36)22(38)24(12)45-27(13)43)8-4(26(41)42)2-6(30)16(32)18(8)34/h1-2,29-38H,(H,39,40)(H,41,42) Key: ZASJRRFAYSNSHU-UHFFFAOYSA-N;
	SMILES Oc4c6c1c(c5c(=O)o6)c(oc(=O)c1c(c4O)-c(c(O)c2O)c(C(O)=O)cc2O)c(O)c(O)c5-c3c(C(O)=O)cc(O)c(O)c3O;
Properties
Chemical formula	C28H14O18
Molar mass	638.39 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Gallagic acid is a polyphenolic chemical compound that can be found in the ellagitannins, a type of tannin, found in Punica granatum (pomegranate).^[1] It is a building block of the corresponding tannin punicalagin, punicalin, punicacortein C and 2-O-galloyl-punicalin.

References

^ Antioxidant, antimalarial and antimicrobial activities of tannin-rich fractions, ellagitannins and phenolic acids from Punica granatum L. Reddy Muntha K., Gupta Sashi K., Jacob Melissa R., Khan Shabana I. and Ferreira Daneel, Planta medica, 2007, vol. 73, no5, pp. 461-467, INIST 18773247

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