Difenacoum

Difenacoum
Names
	Preferred IUPAC name 3-[3-([1,1′-Biphenyl]-4-yl)-1,2,3,4-tetrahydronapthalen-1-yl]-4-hydroxy-2H-1-benzopyran-2-one
	Other names Diphenacoum
Identifiers
CAS Number	56073-07-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	10469075 ;
ECHA InfoCard	100.054.508
KEGG	C16807 ;
PubChem CID	54676884;
UNII	SBA3K9U26B ;
CompTox Dashboard (EPA)	DTXSID2058128 ;
	InChI InChI=1S/C31H24O3/c32-30-26-12-6-7-13-28(26)34-31(33)29(30)27-19-24(18-23-10-4-5-11-25(23)27)22-16-14-21(15-17-22)20-8-2-1-3-9-20/h1-17,24,27,32H,18-19H2 Key: FVQITOLOYMWVFU-UHFFFAOYSA-N ;
	SMILES O=c1c(C2CC(c3ccc(-c4ccccc4)cc3)Cc3ccccc32)c(O)oc2ccccc12;
Properties
Chemical formula	C31H24O3
Molar mass	444.52 g/mol
Density	1.27 (98.7% w/w)
Melting point	211.0 to 215.0 °C (411.8 to 419.0 °F; 484.1 to 488.1 K) (98.7% wlw)
	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

Difenacoum is an anticoagulant of the 4-hydroxycoumarin vitamin K antagonist type. It has anticoagulant effects and is used commercially as a rodenticide. It was first introduced in 1976 and first registered in the USA in 2007.