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About product and suppliers:
        Alibaba.com offers 4,037 cas number products. About 33% of these are auxiliaries and other medicinal chemicals, 29% 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 powder, liquid, and granular. As well as from stee wire, plastic. And whether cas number is free samples, or paid samples. 

There are 4,037 cas number suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 1,007 with ISO9001, 961 with Other, and 25 with HACCP certification.