2D 3D
	ID	DDInter1951
	Drug Type	small molecule
	Molecular Formula	C19H16O4
	Molecular Weight	308.328
	CAS Number	81-81-2
	Description	Warfarin is an anticoagulant drug normally used to prevent blood clot formation as well as migration. Although originally marketed as a pesticide (d-Con, Rodex, among others), Warfarin has since become the most frequently prescribed oral anticoagulant in North America. Warfarin has several properties that should be noted when used medicinally, including its ability to cross the placental barrier during pregnancy which can result in fetal bleeding, spontaneous abortion, preterm birth, stillbirth, and neonatal death. Additional adverse effects such as necrosis, purple toe syndrome, osteoporosis, valve and artery calcification, and drug interactions have also been documented with warfarin use. Warfarin does not actually affect blood viscosity, rather, it inhibits vitamin-k dependent synthesis of biologically active forms of various clotting factors in addition to several regulatory factors.
	ATC Classification	B01AA03
IUPAC Name	4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
InChI	PJVWKTKQMONHTI-UHFFFAOYSA-N
Canonical SMILES	CC(=O)CC(C1=CC=CC=C1)C1=C(O)C2=C(OC1=O)C=CC=C2
Useful Links	DrugBank ChEBI PubChem Substance KEGG Compound ChemSpider BindingDB PharmGKB Therapeutic Targets Database Wikipedia ChEMBL