Preparation No.

(spiked sample)

2-hydroxy-5-methylpyridine

(% w/w)

Iodobenzene

(% w/w)

Single maximum

impurity (% w/w)

Total impurities

(% w/w)

1

0.047

0.045

0.013

0.105

2

0.046

0.046

0.013

0.105

3

0.044

0.041

0.013

0.098

4

0.042

0.044

0.014

0.100

5

0.046

0.044

0.014

0.104

6

0.043

0.046

0.011

0.100

Average (% w/w)

0.045

0.044

0.013

0.102

SD

0.0020

0.0019

0.0011

0.0030

% RSD

4.44

4.32

8.46

2.97