Pulvinic acid

Pulvinic acid
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Names
	IUPAC name (2E)-(5-Hydroxy-3-oxo-4-phenyl-2(3H)-furanylidene)(phenyl)acetic acid
Identifiers
CAS Number	26548-70-9
ChemSpider	2299472
Jmol 3D model	Interactive image
PubChem	3035166
	InChI InChI=1S/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ Key: WFZQEWXZFDGFEP-JQIJEIRASA-N ; InChI=1/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ Key: WFZQEWXZFDGFEP-JQIJEIRABX ;
	SMILES O=C(O)C(=C2/OC(/O)=C(/c1ccccc1)C2=O)/c3ccccc3 ;
Properties
Chemical formula	C18H12O5
Molar mass	308.29 g·mol−1
Vapor pressure	{{{value}}}
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Pulvinic acid is a natural chemical pigment found in some lichens.^[1] Dimers of pulvinic acid have been found in the fungi Scleroderma citrinum and Chalciporus piperatus.^[2]

References

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