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, …

PubChem Structure Search allows the PubChem Compound Database to be queried by chemical structure or chemical structure pattern. The PubChem Sketcher allows a query to be drawn manually.

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 …

PubChem (https://pubchem.ncbi.nlm.nih.gov) is a public repository for information on chemical substances and their biological activities, launched in 2004 as a component of the Molecular Libraries Roadmap Initiatives of the US National Institutes of Health (NIH).

PubChem Substance is the primary archive for community-provided information about chemical entities. A Substance record can contain chemical structures, synonyms, registration IDs, descriptions, related URLs, patent identifiers, cross-references to PubMed, and biological screening results, etc.

Review publicly available chemical databases in different domains. Understand how PubChem data are organized. Learn how to critically assess data in public databases. 1. (SOME) DATABASE BASIC. 1.1. What is a database? A database is an “organized collection of …

Aug 21, 2021 · PubChem (https://pubchem.ncbi.nlm.nih.gov) is a public chemical database that serves scientific communities as well as the general public. This database collects chemical information from hundreds of data sources and organizes them into multiple data collections, including Substance, Compound, BioAssay, Protein, Gene, Pathway, and Patent.

The PubChem Chemical Structure Search allows users to perform various searches using both textual and non-textual queries. This search interface is integrated with PubChem Sketcher, 4 which enables users to provide the 2-D structure of a …

Jul 3, 2024 · Did you know NCBI’s PubChem is the world’s largest collection of freely accessible chemical information? You can search chemicals by name, molecular formula, structure, and other identifiers, as well as find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

Jul 26, 2022 · PubChem (https://pubchem.ncbi.nlm.nih.gov) 1, 2, 3 is a public repository of information on small molecules and their biological activities, developed and maintained by the National Library of Medicine (NLM), an institute within the U.S. National Institutes of Health (NIH).