Frequently Asked Questions: Products, Experiments and Troubleshooting
What is the CAS number?
·Published ·Updated
To help you more easily identify a chemical, we provide CAS registry numbers for our products. CAS registry numbers are unique numerical identifiers for chemical substances. The Chemical Abstracts Service (CAS), a division of the American Chemical Society, assigns these identifiers to every chemical that has been described in the literature. Please note, that whilst these are given as accurately as possible on our website, they may not always reflect the level of hydration or salt of the product supplied.
Da — when not otherwise indicated, molecular weight units are daltons. Mw — weight-average molecular weight. Mn — number-average molecular weight.
Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
Cite this article
Aladdin Scientific. "What is the CAS number?" Aladdin Knowledge Base, updated 09.06.2025. https://www.aladdinsci.com/eu_de/faqs/frequently-asked-questions-en.html
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