Tab. 2.

Degradation study data

Degradation conditions	% SP	Peak purity	% MH	Peak purity
Water reflux at 70°C for 48h	96.35	pass	95.50	pass
0.1 N NaOH at 70°C for 48h	35.06	pass	78.37	pass
0.1 N HCl at 70° for 48h	94.69	pass	94.01	pass
3% H2O2 for 24 h	87.80	pass	91.95	pass
Thermal (105°C for 10 days)	99.50	pass	99.58	pass
UV (254 nm for 10 days)	99.82	pass	99.27	pass