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About product and suppliers:
        Alibaba.com offers 4,118 cas number products. About 33% of these are auxiliaries and other medicinal chemicals, 28% are animal pharmaceuticals, and 7% are vitamins, amino acids and coenzymes. 

A wide variety of cas number options are available to you, such as medicine grade, food grade, and industrial grade. You can also choose from stee wire, plastic. As well as from free samples, paid samples. 

There are 4,081 cas number suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Malaysia, which supply 98%, 1%, and 1% of cas number respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,011 with ISO9001, 961 with Other, and 30 with HACCP certification.