Table 5.

Forced degradation studies of Letrozole.

Stress conditions	Drug recovered* (%)	Drug decomposed* (%)
Standard drug	100.0	-
Acidic hydrolysis	96.4	3.6
Alkaline hydrolysis	42.1	57.9
Oxidative degradation	99.2	0.8
Thermal degradation	95.0	5.0
Photolytic degradation	100.0	-

^*Mean of three replicates.