What are pharmaceutical intermediates and how to classify them?

Pharmaceutical intermediates are a kind of fine chemical products in the production process from pharmaceutical chemical raw materials to bulk drugs or drugs. The synthesis of chemical drugs depends on high quality pharmaceutical intermediates. These chemicals, which do not require a pharmaceutical manufacturing license, can be produced in ordinary chemical plants and can be used in the synthesis of medicines as long as they reach a certain grade. industry every year, and the demand is more than 2.5 million tons. After years of development, China's pharmaceutical production of chemical raw materials and intermediates can be basically matched, only a small part of the need to import.

How to divide pharmaceutical intermediates products?

There are many kinds of pharmaceutical intermediates, which can be divided into antibiotics drug intermediates, antipyretic and analgesic pharmaceutical intermediates, cardiovascular system pharmaceutical intermediates, anticancer pharmaceutical intermediates and so on. There are many types of specific pharmaceutical intermediates, such as imidazole, furan, phenolic intermediates, aromatic intermediates, pyrrole, pyridine, biochemical reagents, sulfur, nitrogen, halogen compounds, heterocyclic compounds, microcrystalline cellulose, starch, mannitol, lactose, dextrin, ethylene glycol, powdered sugar, inorganic salts, ethanol intermediates, stearic acid, amino acid and ethanol amine salt, sylvite, sodium salt and other intermediates and so on.