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About product and suppliers:
        Alibaba.com offers 215,899 cas products. About 26% of these are pharmaceutical intermediates, 24% are animal pharmaceuticals, and 18% are syntheses material intermediates. 

A wide variety of cas options are available to you, such as pharmaceutical intermediates, vitamins, amino acids and coenzymes, and agrochemical intermediates. You can also choose from medicine grade, cosmetic grade, and food grade. As well as from animal pharmaceuticals, appliance paint, and rubber auxiliary agents. And whether cas is leaf, seed, or bark. 

There are 215,521 cas suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and South Korea, which supply 98%, 1%, and 1% of cas respectively. 

Cas products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 26,239 with ISO9001, 14,906 with Other, and 1,325 with ISO14001 certification.