CAS REGISTRY is a comprehensive database of chemical substances used by scientists and researchers worldwide. It contains information on over 150 million organic and inorganic compounds, including their physical and chemical properties and structures. However, with the increasing demand for alternate chemical databases, many users are looking for CAS REGISTRY alternatives that offer similar or better features. In this article, we will explore the 10 best CAS REGISTRY alternatives and competitors in 2024.

1. ChemSpider

ChemSpider is a free chemical structure database that provides access to over 100 million chemical structures and properties. It offers a user-friendly interface and allows users to search for compounds by name, structure, and molecular weight. ChemSpider also provides links to external resources and tools for data analysis and visualization.

2. PubChem

PubChem is a public database of chemical compounds maintained by the National Institutes of Health (NIH). It provides users with access to over 100 million chemical substances, including their structures and properties. PubChem also offers tools for data analysis and visualization, making it a valuable resource for researchers and scientists.

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3. Reaxys

Reaxys is a comprehensive database of chemical compounds and reactions used by researchers worldwide. It provides information on millions of chemical substances, including their properties, structures, and synthesis pathways. Reaxys also offers advanced search capabilities and tools for data analysis and visualization.

4. Scifinder

Scifinder is a research tool developed by Chemical Abstracts Service (CAS) that provides access to over 150 million chemical substances and reactions. It offers a user-friendly interface and advanced search capabilities, allowing users to search for compounds by structure, name, or property. Scifinder also provides tools for data analysis and visualization, making it a valuable resource for researchers and scientists.

5. ChemSpider SyntheticPages

ChemSpider SyntheticPages is a free online database of chemical syntheses and procedures. It provides users with access to a growing collection of organic and inorganic syntheses, including detailed experimental procedures and protocols. ChemSpider SyntheticPages also allows users to contribute their own syntheses, making it a valuable resource for the scientific community.

6. EMBL-EBI

EMBL-EBI (European Bioinformatics Institute) is a comprehensive resource for biological and chemical data. It provides access to a range of databases and tools, including the ChEMBL database of bioactive molecules and the Metabolomics Workbench for metabolomics research. EMBL-EBI also offers advanced search capabilities and tools for data analysis and visualization.

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7. ChemIDplus

ChemIDplus is a free database of chemical substances maintained by the National Library of Medicine (NLM). It provides users with access to over 400,000 chemicals, including their structures and properties. ChemIDplus also offers a user-friendly interface and advanced search capabilities, making it a valuable resource for researchers and scientists.

8. NCI Database

NCI Database is a comprehensive resource for cancer-related chemical compounds and drugs. It provides information on over 250,000 substances, including their structures and properties. NCI Database also offers advanced search capabilities and tools for data analysis and visualization, making it a valuable resource for cancer research.

9. ChemBank

ChemBank is a database of small molecules and their biological activities maintained by the Broad Institute of MIT and Harvard. It provides users with access to over 100,000 compounds and their associated biological activities. ChemBank also offers tools for data analysis and visualization, making it a valuable resource for drug discovery and development.

10. Chemicalize

Chemicalize is a web-based platform that provides users with access to a range of chemical databases and tools. It offers advanced search capabilities and tools for data analysis and visualization, allowing users to search for compounds by structure, name, or property. Chemicalize also provides tools for predicting chemical properties and reactions, making it a valuable resource for drug discovery and development.

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In conclusion, CAS REGISTRY alternatives and competitors provide scientists and researchers with a variety of options to access and analyze chemical data more efficiently. Whether you're looking for a free database like ChemSpider or a comprehensive resource like Reaxys, these 10 alternatives offer a range of features suitable for different research needs. When considering a CAS REGISTRY alternative, factors such as pricing, features, and data coverage should be taken into account. By choosing the right chemical database, researchers can streamline their research process and make new discoveries in the field of chemistry.