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- 15:26, 12 February 2025 HansdG talk contribs created page CAS Number - TX (Created page with "===CAS Number (Chemical Abstracts Service Number)=== The CAS Number (Chemical Abstracts Service Registry Number) is a unique numerical identifier assigned to chemical substances globally, managed by the American Chemical Society (ACS). * '''Format:''' Three-part structure XXXXXX-XX-X (e.g., 7440-02-0 for nickel). * '''Purpose:''' Used worldwide as a chemical registry identifier in research, industry, and regulatory databases. * '''Scope:''' More extensive than EC number...")