Table 2 Determination of laboratory prepared mixtures of SAF and SAF DEG by the proposed spectrophotometric methods.

From: Stability-indicating spectrophotometric quantification of safinamide in the presence of its possible degradation product

Methods

FSD

DWL

Concentration (µg/mL)

Found %a

SAF

SAF deg

SAF

SAF deg

SAF: SAF deg

7:15

99.594

101.270

100.752

100.093

15:7

99.784

99.731

99.965

99.142

10:10

101.167

101.455

100.788

99.666

25:5

100.004

100.024

98.978

100.507

30:8

99.700

100.605

99.443

99.184

Mean ± SD

100.050 ± 0.642

100.617 ± 0.752

99.985 ± 0.797

99.719 ± 0.587

  1. aAverage of three determinations.
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