Pisatin

Pisatin
Names
	Preferred IUPAC name (6aR,12aR)-3-Methoxy-6H,9H-[1,3]dioxolo[4′,5′:5,6][1]benzofuro[3,2-c][1]benzopyran-6a(12aH)-ol
	Other names (+)-Pisatin
Identifiers
CAS Number	469-01-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	91879;
PubChem CID	101689;
UNII	V6L86DZ4N3 ;
CompTox Dashboard (EPA)	DTXSID301024898 ;
	InChI InChI=1S/C17H14O6/c1-19-9-2-3-10-12(4-9)20-7-17(18)11-5-14-15(22-8-21-14)6-13(11)23-16(10)17/h2-6,16,18H,7-8H2,1H3/t16-,17+/m1/s1 Key: LZMRDTLRSDRUSU-SJORKVTESA-N;
	SMILES COc1ccc2c(c1)OC[C@]3([C@@H]2Oc4c3cc5c(c4)OCO5)O;
Properties
Chemical formula	C17H14O6
Molar mass	314.293 g·mol−1
Related compounds
Related compounds	anhydropisatin, (−)-maackiain, calycosin
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pisatin (3-hydroxy-7-methoxy-4′,5′-methylenedioxy-chromanocoumarane) is the major phytoalexin made by the pea plant Pisum sativum. It was the first phytoalexin to be purified and chemically identified. The molecular formula is C₁₇H₁₄O₆.