FLX02: Flavoxate EP Impurity B

Flavoxate USP RC C ;

O-Desethylpiperidine Flavoxate Ethyl Ester ;

Ethyl 3-Methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate ;

CAS # 35888-94-9 ;

C19H16O4 ;
Mol. Wt.: 308.33 ;