Sulfachlorpyridazine

Sulfachlorpyridazine
Names
	Preferred IUPAC name 4-Amino-N-(6-chloropyridazin-3-yl)benzene-1-sulfonamide
Identifiers
CAS Number	80-32-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	261558
ChEBI	CHEBI:59057;
ChEMBL	ChEMBL1443577;
ChemSpider	6382;
ECHA InfoCard	100.001.155
EC Number	201-269-9;
KEGG	D05948;
PubChem CID	6634;
UNII	P78D9P90C0 ;
CompTox Dashboard (EPA)	DTXSID9045265 ;
	InChI InChI=1S/C10H9ClN4O2S/c11-9-5-6-10(14-13-9)15-18(16,17)8-3-1-7(12)2-4-8/h1-6H,12H2,(H,14,15) Key: XOXHILFPRYWFOD-UHFFFAOYSA-N;
	SMILES Nc1ccc(S(=O)(=O)Nc2ccc(Cl)nn2)cc1;
Properties
Chemical formula	C10H9ClN4O2S
Molar mass	284.72 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317
Precautionary statements	P261, P272, P280, P302+P352, P321, P333+P313, P363, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Sulfachlorpyridazine (INN, USP) is a sulfonamide antibiotic drug used in poultry farming.^[1] It has been marketed as Vetisulid for use in cattle, swine and birds^[2] and as Cosumix Plus (combination with trimethoprim) for use with poultry.^[3]

References

↑ Pokrant, Ekaterina; Medina, Francisca; Maddaleno, Aldo; San Martín, Betty; Cornejo, Javiera (5 July 2018). "Determination of sulfachloropyridazine residue levels in feathers from broiler chickens after oral administration using liquid chromatography coupled to tandem mass spectrometry". PLOS ONE. 13 (7) e0200206. Bibcode:2018PLoSO..1300206P. doi:10.1371/journal.pone.0200206. PMC 6033452. PMID 29975750.
↑ Plumb, Donald C. (2008). Plumb's Veterinary Drug Handbook, Sixth Ed. Ames, Iowa: Blackwell. p. 847. ISBN 978-0-8138-1097-3.
↑ "Cosumix Plus 100 mg/g - 20 mg/g pwdr. for drinking water". Federal Agency for Medicines and Health Products. Retrieved 22 August 2025.

[1] Pokrant, Ekaterina; Medina, Francisca; Maddaleno, Aldo; San Martín, Betty; Cornejo, Javiera (5 July 2018). "Determination of sulfachloropyridazine residue levels in feathers from broiler chickens after oral administration using liquid chromatography coupled to tandem mass spectrometry". PLOS ONE. 13 (7) e0200206. Bibcode:2018PLoSO..1300206P. doi:10.1371/journal.pone.0200206. PMC 6033452. PMID 29975750.

[2] Plumb, Donald C. (2008). Plumb's Veterinary Drug Handbook, Sixth Ed. Ames, Iowa: Blackwell. p. 847. ISBN 978-0-8138-1097-3.

[3] "Cosumix Plus 100 mg/g - 20 mg/g pwdr. for drinking water". Federal Agency for Medicines and Health Products. Retrieved 22 August 2025.

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