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  • PubChem
    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
  • Docs - PubChem
    RefChem (which stands for 'Reference Chemical') is a new collection within PubChem This collection contains what we call 'refchem', which are chemical records compiled by the PubChem team from authoritative and curated data sources to improve annotation mapping and disambiguation and to provide better access to information on chemicals without discrete structures
  • About - PubChem
    Docs About PubChem For latest announcements, please visit the PubChem News page PubChem is an open chemistry database at the National Institutes of Health (NIH) “Open” means that you can put your scientific data in PubChem and that others may use it Since the launch in 2004, PubChem has become a key chemical information resource for scientists, students, and the general public Each
  • Downloads - PubChem
    PubChem is a free to use database with most of the data readily available for download Exceptions may exist in cases where licensing agreements prevent our data contributors from allowing bulk downloads of some data sets
  • Structure Search - PubChem
    Docs Search and Tools Structures PubChem Structure Search PubChem Structure Search allows the PubChem Compound Database to be queried by chemical structure or chemical structure pattern Please see the Structure Search Help Document for more information The redesigned PubChem Search provides an easier access to chemical information in PubChem with enhanced search abilities The mobile
  • Compounds - PubChem
    Docs Data Organization PubChem Compounds Since PubChem is an open archive accepting information from many sources about a given molecule, it is imperative to provide the end-user with an aggregated view of all that is known for a single chemical structure PubChem Compound records are derived summaries that give users access to a rich set of related content Compound records contain unique
  • BioAssays - PubChem
    Docs Data Organization PubChem BioAssays PubChem BioAssay contains small-molecule and RNAi screening data along with associated annotation information from contributing organizations BioAssay contains a collection of bioactivity and toxicity data that has greatly supported research in fields such as medicinal chemistry, drug discovery, pharmaceutical genomics and informatics research As a
  • Data Sources - PubChem
    A list of PubChem data contributors Browse PubChem data sources by country, type of data provided or category such as chemical vendors suppliers, government organizations, journal publishers, and more
  • Quercetin | C15H10O7 | CID 5280343 - PubChem
    Quercetin is a pentahydroxyflavone having the five hydroxy groups placed at the 3-, 3'-, 4'-, 5- and 7-positions It is one of the most abundant flavonoids in edible vegetables, fruit and wine It has a role as a geroprotector, an antioxidant, an antibacterial agent, an antineoplastic agent, a protein kinase inhibitor, a chelator, a radical scavenger, an Aurora kinase inhibitor, a plant
  • Classification Browser - PubChem
    Browse PubChem data using a classification of interest, or search for PubChem records annotated with the desired classification term (e g , MeSH: phenylpropionates, or Gene Ontology: DNA repair)





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