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CAS# ，CAS Number Search，CAS Number Search platform. Search by CAS number, chemical name, or formula to get detailed information on chemical properties, safety guidelines, and regulatory data for academic, industrial, or research purposes.
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The CAS registry is the most authoritative collection of chemical substance information that is publicly available. The CAS registry covers substances identified in the scientific literature since 957, with other substances dating back to the early 20th century. It is also known as CAS registry number (or CAS number, CAS Rn, CAS), also known as CAS login number or CAS registry number, it is a unique numerical identifier for a particular substance (compound, polymer, biological sequences, mixtures or alloys. The American Chemical Society's subsidiary organization, Chemical Abstracts Service (CAS), is responsible for assigning a CAS number to every substance that appears in the literature, with aim of avoiding the confusion caused by multiple names for chemical substances and to facilitate database retrieval. Today, almost all chemical databases allow for search by CAS number.
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