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About product and suppliers:
        Alibaba.com offers 4,289 cas number products. About 33% of these are auxiliaries and other medicinal chemicals, 29% are animal pharmaceuticals, and 9% are vitamins, amino acids and coenzymes. 

A wide variety of cas number options are available to you, such as vitamins, amino acids and coenzymes, antibiotic and antimicrobial agents, and anesthetic agents. You can also choose from medicine grade, feed grade, and food grade. As well as from free samples, paid samples. 

There are 4,261 cas number suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Egypt, 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 961 with ISO9001, 945 with Other, and 36 with HACCP certification.
        
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