Product Name Vilanterol Trifenatate
CAS No.: 503070-58-4
Specification Appearance: white to almost white powder;
Identification: The IR spectrum of the sample corresponds to that of the reference standard;
Related substance-single impurity: 0.5%max;
-total impurity: 1.0%max;
Enantiomer: 0.5%max;
Assay: 98% to 102% of C44H49CL2NO2, Calculated on the dried basis;