Table 4 Information of the Nine Peptide Impurities found in Synthetic Glucagon.

From: Purity determination of synthetic glucagon using a mass balance approach

 

Amino acid sequence

Purity (mg/g)

Expanded uncertainty (k = 2) (g/g)

Content (mg/g)

Uncertainty (mg/g)

1

SRRAQDFVQWLMNT

714.3

15.62

1.06024

1.7985E-05

2

SQGTFTSDYSKYLDSRRAQDFVQWLMNT

758.7

6.46

1.29908

3.5642E-05

3

YSKYLDSRRAQDFVQWLMNT

530.2

13.85

1.31261

9.4552E-05

4

HSQGTFTSDYSDYSKYLD

705.7

18.15

2.25328

3.7186E-05

5

HSQGTFTSDYSKYLDSRRAQDFVQWLMN

774.0

41.43

4.64365

1.6596E-05

6

HSQGTFTSDYSKYLDSRRAQD

740.4

6.16

4.52593

2.0753E-05

7

TSDYSKYLDSRRAQDFVQWLMNT

747.8

14.48

2.48599

3.6043E-05

8

HSQGTFTSDYSKYLDSRRAQDFVQWL

783.1

49.19

9.74943

1.9108E-05

9

DSRRAQDFVQWLMNT

726.8

36.87

1.05215

1.7348E-05