The Active Pharmaceutical Ingredients (API) is functional ingredients of a drug that acts against diseases. In other words, the active ingredient(s) in a drug or medicine are the substances that produce intended pharmacologic effects which might be positive or negative. The quality and safety of the drugs depends on API and new chemical entity development entirely depends on it. Most of the pharmaceutical industries buy API from other manufacturing units. Therefore, it becomes mandatory to check quality of APIs and other raw materials. In the present study, assessment of the level of APIs in...