From: Stability-indicating method development and validation for the concurrent determination of darunavir, cobicistat, emtricitabine and tenofovir alafenamide by UPLC in bulk and tablet dosage forms
Drug
Label claim (mg/tab)
Amount found (mg)
% assay
TAF
10
9.97
99.66
COBI
150
100.00
FTC
200
200.44
100.22
DRV
800
802.4
100.30