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Karanjin
Names
	IUPAC name 3-Methoxyfuro[2′′,3′′:7,8]flavone
	Systematic IUPAC name 3-Methoxy-2-phenyl-4H-furo[2,3-h][1]benzopyran-4-one
Identifiers
CAS Number	521-88-0 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEMBL	ChEMBL208484 ;
ChemSpider	90925 ;
ECHA InfoCard	100.007.565
PubChem CID	100633;
UNII	WV7IM0I02M ;
CompTox Dashboard (EPA)	DTXSID20200106 ;
	InChI InChI=1S/C18H12O4/c1-20-18-15(19)13-7-8-14-12(9-10-21-14)17(13)22-16(18)11-5-3-2-4-6-11/h2-10H,1H3 Key: LKPQNZRGGNOPPU-UHFFFAOYSA-N ;
	SMILES C1(=C(OC2=C(C1=O)C=CC3=C2C=CO3)C4=CC=CC=C4)OC; O=C2C(\OC)=C(/Oc3c1ccoc1ccc23)c4ccccc4;
Properties
Chemical formula	C18H12O4
Molar mass	292.290 g·mol−1
	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

Karanjin is a furanoflavonol, a type of flavonoid. It is obtained from the seeds of the karanja tree (Millettia pinnata or Pongamia glabra Vent.), a tree growing wild in south India. Karanjin is an acaricide and insecticide.^{[citation needed]} Karanjin is reported to have nitrification inhibitory properties.^[1]

References

^ Majumdar, Deepanjan; Pandya, Bhavesh; Arora, Anu; Dhara, Soni (2004). "Potential use of karanjin (3-methoxy furano-2′,3′,7,8-flavone) as a nitrification inhibitor in different soil types". Archives of Agronomy and Soil Science. 50 (4–5): 455. doi:10.1080/03650340410001689406. S2CID 96706313.