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N acetylcysteine forced degradation study.
| Experimental Conditions | API Degradation | Degradation Products’ Retention Times |
|---|---|---|
| Heat (80 °C, 3 h) | 24% | 1.3 min, 1.5 min, 1.8 min, 2.2 min, 5.3 min, 7.2–7.7 min |
| Light (sunlamp, 28 days) | 3% | 7.2–7.7 min |
| Oxidation (H2O2 0.3%, 3 h) | 6% | 1.6 min, 2.0 min, 7.2–7.7 min |
| Acid (HCl 0.5 M, 1 min) | 15% | 1.5 min, 1.7 min, 7.2–7.7 min |
| Alkaline (NaOH 0.1 M, 10 min) | 23% | 1.9 min, 2.0 min, 7.2–7.7 min |
