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PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.
PubChem Compound records are derived summaries that give users access to a rich set of related content. Compound records contain unique chemical structures extracted from contributed Substance records through standardization.
Water | H2O | CID 962 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH).
Jan 1, 2016 · This paper provides an overview of the PubChem Substance and Compound databases, including data sources and contents, data organization, data submission using PubChem Upload, chemical structure standardization, web-based interfaces for textual and non-textual searches, and programmatic access.
Patent summaries include PubChem data related to specific patents, like PubChem Compounds and PubChem Substances linked to a patent. The simplest way to find a patent in PubChem is to search for its patent number.
Aug 9, 2021 · For each hit compound returned from a search, PubChem provides links to the commonly requested information on that compound. One of the links is the "Similar Structures Search" link, which allows one to use that compound as a query to perform a 2‐D similarity search and other types of structure searches (i.e., identity, substructure ...
