Component

LOD/LOQ results

Linearity

LOQ µg/ml, (% w.r.t.)^c

LOD µg/ml, (% w.r.t.)^c

Imp-1

0.078 (0.016)

0.039

0.99998

Imp-2

0.077 (0.015)

0.038

1.00000

Imp-3

0.073 (0.015)

0.036

0.99999

Imp-4

0.076 (0.015)

0.038

0.99998

Imp-5

0.077 (0.015)

0.038

1.00000

Apremilast

0.052 (0.010)

0.026

0.99996

Imp-6

0.078 (0.016)

0.039

0.99999

Imp-7

0.078 (0.016)

0.039

0.99987

Imp-8

0.068 (0.014)

0.034

0.99995