Fenquizone

Fenquizone
Clinical data
ATC code	C03BA13 (WHO) ;
Identifiers
	IUPAC name 7-chloro-4-oxo-2-phenyl-1,2,3,4-tetrahydroquinazoline-6-sulfonamide;
CAS Number	20287-37-0;
PubChem CID	68548;
ChemSpider	61822 ;
UNII	LJ1U13R8IK;
KEGG	D04161 ;
CompTox Dashboard (EPA)	DTXSID10864933 ;
ECHA InfoCard	100.039.702
Chemical and physical data
Formula	C14H12ClN3O3S
Molar mass	337.78 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=S(=O)(c3c(Cl)cc2c(C(=O)NC(c1ccccc1)N2)c3)N;
	InChI InChI=1S/C14H12ClN3O3S/c15-10-7-11-9(6-12(10)22(16,20)21)14(19)18-13(17-11)8-4-2-1-3-5-8/h1-7,13,17H,(H,18,19)(H2,16,20,21) ; Key:DBDTUXMDTSTPQZ-UHFFFAOYSA-N ;
	(verify)

Fenquizone (INN) is a diuretic, part of the class of low-ceiling sulfonamide diuretics.^[1] Fenquizone is used primarily in the treatment of oedema and hypertension.^[2]