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Table 1 Specificity and selectivity for bexarotene and internal standard (MTR-BA-LC-MS/MS-05)

From: Development and validation of bexarote by bioanalytical methods using liquid chromatography-tandem mass spectroscopy (LC-MS/MS)

Plasma lot ID

Specificity (blank)

Selectivity (spiked LLOQ)

% interference in blank

Area ratio

S/N ratio (≥ 5)

Analyte

IS peak

Analyte

IS peak

Analyte (< 20%)

IS (< 5%)

Analyte/IS

Analyte

MAT-C-0293-III

1805

2581

30,895

1,932,710

5.8424

0.1335

0.0160

101.450

MAT-C-0577-III

1274

930

31,179

1,861,940

4.0861

0.0499

0.0167

118.834

MAT-C-0578-III

1070

1798

29,447

1,823,809

3.6336

0.0986

0.0161

75.245

MAT-C-0579-III

513

1694

27,120

1,813,246

1.8916

0.0934

0.0150

111.258

MAT-C-0580-III

425

506

29,375

1,868,739

1.4468

0.0271

0.0157

129.562

MAT-C-0586-III

1528

1132

25,471

1,774,320

5.9990

0.0638

0.0144

64.867

MAT-C-0544-I(H)

1147

745

28,883

1,769,483

3.9712

0.0421

0.0163

96.481

MAT-6188-I(L)

1396

2263

28,664

1,815,377

4.8702

0.1247

0.0158

95.259

MAT-6198-IX (heparin)

453

1361

27,446

1,825,500

1.6505

0.0746

0.0150

81.708

 

Mean

3.71016

0.07863

0.01567

 
  

SD

0.000731

 
  

%CV

4.67