The origin of impurities in drugs is from various sources and phases if the synthetic process and preparation of pharmaceutical dosage forms. Majority of the impurities are characteristics of the synthetic route of the manufacturing process. There are several possibilities of synthesizing a drug; it is possible that the same product of different sources may give rise to different impurities.
In the pharmaceutical industry, there are various names of raw materials, such as pharmaceutical raw materials, pharmaceutical intermediates and pharmaceutical excipients in the process of pharmaceutical production. This article will take everyone to recognize these three concepts.
The rapid development of China's pharmaceutical intermediate industry is closely related to its national policies. Since 2016, China has issued clear documents to encourage small and medium-sized enterprises to develop new drugs, including chemical raw materials.