User contributions for HansdG

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12 February 2025

  • 14:2814:28, 12 February 2025 diff hist +717 CAS Number - TXNo edit summary current
  • 14:2614:26, 12 February 2025 diff hist +735 N CAS Number - TXCreated 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..."
  • 14:2014:20, 12 February 2025 diff hist +781 N EC Number - TXCreated page with "===EC Number (European Community Number)=== The EC Number (European Community Number) is a unique identifier assigned to chemical substances by the European Chemicals Agency (ECHA) under the REACH regulation and other EU chemical regulatory frameworks. *'''Format''': It consists of seven digits in the format XXX-XXX-X (e.g., 231-100-4 for water). *'''Purpose''': Used primarily in European regulatory systems for chemical tracking, classification, and compliance (e.g., RE..."
  • 14:1614:16, 12 February 2025 diff hist +11 Material Class - TXNo edit summary

28 November 2024

17 November 2024

12 November 2024

31 October 2024

21 October 2024

11 October 2024

6 October 2024

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