sulfacytine sulfacytine sulfacytine is a short-acting sulfonamide antibiotic, taken orally for treatment against bacterial infections. sulfonamides, as a group of antibiotics, work by inhibiting the bacterial synthesis of folate. in 2006 the drug was discontinued sulfacytineclinical dataother names1-ethyl n4-sulfanilylcytosin, 1-ethyl-n-sulfanilylcytosine, n-sulfanilyl-l-ethylcytosine, sulfacitina , sulfacitinum routes ofadministrationoralidentifiers iupac name 4-amino-n-(1-ethyl-2-oxo-1,2-dihydropyrimidin-4-yl)benzene-1-sulfonamide cas number17784-12-2pubchem cid5322pubchem sid46505483drugbankdb01298chemspider5131uniit795873ajpchemblchembl1201056comptox dashboard (epa)dtxsid6023606 chemical and physical dataformulac12h14n4o3smolar mass294.33 g·mol−13d model (jsmol)interactive image smiles ccn1c=cc(ns(=o)(=o)c2=cc=c(n)c=c2)=nc1=o inchi inchi=inchi=1s/c12h14n4o3s/c1-2-16-8-7-11(14-12(16)17)15-20(18,19)10-5-3-9(13)4-6-10/h3-8h,2,13h2,1h3,(h,14,15,17)key:sibqaecnssquod-uhfffaoysa-n