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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.
- NIH National Library of Medicine NCBI
NCBI is a hub for biotechnology information, offering...
- PubChem
Learn about PubChem chemical database, browse or search the...
- Docs
The PubChem Patent View page contains information on what...
- Submit
PubChem Upload tool enables users to submit data to the...
- Browse Data
Browse PubChem data using a classification of interest, or...
- Periodic Table
Interactive periodic table with up-to-date element property...
- Explore Data Sources
Browse PubChem data sources by country, ... Haz-Map,...
- NIH National Library of Medicine NCBI
Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
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).
This question is designed to help you understand how various tools in PubChem can be used together to analyze the bioactivity data of a group of chemicals.
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.
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, which enables users to provide the 2-D structure of a molecule as a query for chemical structure search.
26 lip 2022 · PubChem: chemical information repository at the U.S. NIH. 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). Since its ...