Sulfapyridine Quick inquiry Where to buy Suppliers range United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardspharma & vet compounds & metabolitesstandards for environmental regulatory methodspharma & vet compounds & metabolitesapi standardsbritish pharmacopoeiaeuropean pharmacopoeia (ph. eur.)impurity standardspharmaceutical toxicologypharmacopoeial standards. Alternative Names: NSC 41791, Ronin, A-499, Benzenesulfonamide, 4-amino-N-2-pyridinyl-Sulfanilamide, N1-2(1H)-pyridylidene- (6CI,7CI), Dagenan, NSC 4753, M and B 693, Streptosilpyridine, 4-Amino-N-2-pyridinylbenzenesulfonamide, Septipulmon, Sulfapyridine, 4-[(2-Pyridylamino)sulfonyl]aniline, Haptocil, Adiplon, Trianon, Eubasin, Relbapiridina, Sulphapyridine, 2-Sulfanilamidopyridine, Sulfidin, Sulfanilamide, N4-2-pyridyl- (4CI), 2-Sulfapyridine, Sulfanilamide, N1-2-pyridyl- (8CI), Coccoclase, Sulfidine, Eubasinum, N1-2-Pyridylsulfanilamide,Sulfasalazine Imp. J (EP), Pirodazole, N-(2-Pyridyl)-4-aminobenzenesulfonamide, Piridazol, Pyridazol, Pyriamid, Thioseptal, Plurazol.