• ChemExper
  catalog of chemical suppliers, physical characteristics and search engine
  ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics as well as chemical suppliers. This database contains currently more than 70
  catalog chemical chemicals chemistry database directory information laborat molecules msds organic structure supplier suppliers
  in Da Internet Explorer with catalog characteristics chemical engine physical search suppliers by 2 users

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