Triamterene impurity B Price Not Available inquiry Triamterene impurity B Supplier Page Catalog Number APS19375894A Alternative Name(s) 2,7-Diamino-4-hydroxy-6-phenylpteridine, 4-Pteridinol, 2,7-diamino-6-phenyl- (8CI), Triamterene Imp. B (EP), Triamterene RC B (USP), 4(1H)-Pteridinone, 2,7-diamino-6-phenyl- (9CI),4(3H)-Pteridinone, 2,7-diamino-6-phenyl- Molecular Formula C12H10N6O CAS# 19375-89-4 Size inquiry Supplier Page https://reagents.alfa-chemistry.com/product/triamterene-impurity-b-cas-19375-89-4-53103.html