What are the chemical raw materials of methyl propyl carbonate

There are many kinds of chemical raw materials, which are widely used. There are as many as 5 to 7 million kinds of chemicals in the world, and more than 100,000 kinds are sold and circulated in the market, and more than 1,000 new chemicals come out every year. The active ingredients in it, prepared by chemical synthesis, plant extraction or biotechnology are used as powder, crystallization, extract, etc. Raw materials only become available after processing.