Sulfamethoxypyridazine

Sulfamethoxypyridazine
Clinical data
AHFS/Drugs.com	International Drug Names
ATC code	J01ED05 (WHO) QJ01EQ15 (WHO);
Identifiers
	IUPAC name 4-amino-N-(6-methoxypyridazin-3-yl)benzenesulfonamide;
CAS Number	80-35-3 ;
PubChem CID	5330;
ChemSpider	5139 ;
UNII	T034E4NS2Z;
KEGG	D02439 ;
ChEBI	CHEBI:102516 ;
ChEMBL	ChEMBL268869 ;
CompTox Dashboard (EPA)	DTXSID5023611 ;
ECHA InfoCard	100.001.157
Chemical and physical data
Formula	C11H12N4O3S
Molar mass	280.30 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=S(=O)(Nc1nnc(OC)cc1)c2ccc(N)cc2;
	InChI InChI=1S/C11H12N4O3S/c1-18-11-7-6-10(13-14-11)15-19(16,17)9-4-2-8(12)3-5-9/h2-7H,12H2,1H3,(H,13,15) ; Key:VLYWMPOKSSWJAL-UHFFFAOYSA-N ;
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Sulfamethoxypyridazine is a sulfonamide antibacterial.

It is prescribed for vaginal irritation, and severe acute thrush.

It is also used in the treatment of Dermatitis herpetiformis, where it is an alternative therapy to Dapsone.

Sulfamethoxypyridazine is supplied as 500mg tablets.