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ChemSpider

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ChemSpider
Content
DescriptionMore than 100 million chemical structures, properties and associated information
Contact
Research centerCambridge, United Kingdom
Laboratory
Access
Websitewww.chemspider.com
Miscellaneous
LicenseCreative Commons Attribution Share-alike[2]

ChemSpider is a freely accessible online database of chemicals owned by the Royal Society of Chemistry.[3][4][5][6][7] It contains information on more than 100 million molecules from over 270 data sources, each of them receiving a unique identifier called ChemSpider Identifier.

Sources

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The database sources include:[8]

Professional databases

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Crowdsourcing

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The ChemSpider database can be updated with user contributions including chemical structure deposition, spectra deposition and user curation. This is a crowdsourcing approach to develop an online chemistry database. Crowdsourced based curation of the data has produced a dictionary of chemical names associated with chemical structures that has been used in text-mining applications of the biomedical and chemical literature.[10]

However, database rights are not waived and a data dump is not available; in fact, the FAQ even states that only limited downloads are allowed:[11] therefore the right to fork is not guaranteed and the project can not be considered free/open.

Features

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Searching

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A number of available search modules are provided:

  • The standard search allows querying for systematic names, trade names and synonyms and registry numbers
  • The advanced search allows interactive searching by chemical structure, chemical substructure, using also molecular formula and molecular weight range, CAS numbers, suppliers, etc. The search can be used to widen or restrict already found results.
  • Structure searching on mobile devices can be done using free apps for iOS (iPhone/iPod/iPad)[12] and for the Android (operating system).[13]

Chemistry document mark-up

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The ChemSpider database has been used in combination with text mining as the basis of chemistry document markup. ChemMantis,[14] the Chemistry Markup And Nomenclature Transformation Integrated System uses algorithms to identify and extract chemical names from documents and web pages and converts the chemical names to chemical structures using name-to-structure conversion algorithms and dictionary look-ups in the ChemSpider database. The result is an integrated system between chemistry documents and information look-up via ChemSpider into over 150 data sources.

SyntheticPages

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SyntheticPages is a free interactive database of synthetic chemistry procedures operated by the Royal Society of Chemistry.[15] Users submit synthetic procedures which they have conducted themselves for publication on the site. These procedures may be original works, but they are more often based on literature reactions. Citations to the original published procedure are made where appropriate. They are checked by a scientific editor before posting. The pages do not undergo formal peer-review like a scientific journal article but comments can be made by logged-in users. The comments are also moderated by scientific editors. The intention is to collect practical experience of how to conduct useful chemical synthesis in the lab. While experimental methods published in an ordinary academic journal are listed formally and concisely, the procedures in ChemSpider SyntheticPages are given with more practical detail. Informality is encouraged. Comments by submitters are included as well. Other publications with comparable amounts of detail include Organic Syntheses and Inorganic Syntheses. The SyntheticPages site was originally set up by Professors Kevin Booker-Milburn (University of Bristol), Stephen Caddick (University College London), Peter Scott (University of Warwick) and Max Hammond. In February 2010 a merger was announced[16] with the Royal Society of Chemistry's chemical structure search engine ChemSpider and the formation of ChemSpider|SyntheticPages (CS|SP).

Other services

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A number of services are made available online. These include the conversion of chemical names to chemical structures, the generation of SMILES and InChI strings as well as the prediction of many physicochemical parameters and integration to a web service allowing NMR prediction.

History

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ChemSpider was acquired by the Royal Society of Chemistry (RSC) in May, 2009.[17] Prior to the acquisition by RSC, ChemSpider was controlled by a private corporation, ChemZoo Inc. The system was first launched in March 2007 in a beta release form and transitioned to release in March 2008.

Open PHACTS

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ChemSpider served as the chemical compound repository as part of the Open PHACTS project, an Innovative Medicines Initiative. Open PHACTS developed to open standards, with an open access, semantic web approach to address bottlenecks in small molecule drug discovery - disparate information sources, lack of standards and information overload.[18]

See also

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References

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  1. ^ Van Noorden, R. (2012). "Chemistry's web of data expands". Nature. 483 (7391): 524. Bibcode:2012Natur.483..524V. doi:10.1038/483524a. PMID 22460877.
  2. ^ "ChemSpider Blog » Blog Archive » ChemSpider Adopts Creative Commons Licenses". www.chemspider.com. Archived from the original on 2015-04-02. Retrieved 2014-03-21.
  3. ^ Antony John Williams (Jan–Feb 2008). "ChemSpider and Its Expanding Web: Building a Structure-Centric Community for Chemists". Chemistry International. 30 (1).
  4. ^ Williams, A. J. (2008). "Public chemical compound databases". Current Opinion in Drug Discovery & Development. 11 (3): 393–404. PMID 18428094.
  5. ^ Brumfiel, G. (2008). "Chemists spin a web of data". Nature. 453 (7192): 139. Bibcode:2008Natur.453..139B. doi:10.1038/453139a. PMID 18464701.
  6. ^ Williams, A. J. (2011). "Chemspider: A Platform for Crowdsourced Collaboration to Curate Data Derived from Public Compound Databases". Collaborative Computational Technologies for Biomedical Research. pp. 363–386. doi:10.1002/9781118026038.ch22. ISBN 9781118026038.
  7. ^ Pence, H. E.; Williams, A. (2010). "ChemSpider: An Online Chemical Information Resource". Journal of Chemical Education. 87 (11): 1123. Bibcode:2010JChEd..87.1123P. doi:10.1021/ed100697w.
  8. ^ "Data Sources". Chemspider. Retrieved May 16, 2019.
  9. ^ "ChemSpider Blog » Blog Archive » The US EPA DSSTox Browser Connects to ChemSpider". ChemSpider. August 23, 2008. Archived from the original on 7 November 2017. Retrieved 7 November 2017.
  10. ^ Hettne, K. M.; Williams, A. J.; Van Mulligen, E. M.; Kleinjans, J.; Tkachenko, V.; Kors, J. A. (2010). "Automatic vs. Manual curation of a multi-source chemical dictionary: The impact on text mining". Journal of Cheminformatics. 2 (1): 3. doi:10.1186/1758-2946-2-3. PMC 2848622. PMID 20331846.
  11. ^ "ChemSpider Blog » Blog Archive » Who Would Like to Have the Entire ChemSpider Database?". www.chemspider.com. Archived from the original on 2015-09-24. Retrieved 2014-04-18.
  12. ^ "ChemSpider on the App Store". App Store.
  13. ^ "ChemSpider Mobile - Android Apps on Google Play". play.google.com.
  14. ^ Welcome ChemMantis to ChemZoo and a Call for Contributions from the Community, 2008-10-23, A. Williams,blog post Archived 2015-09-24 at the Wayback Machine
  15. ^ "ChemSpider SyntheticPages". Royal Society of Chemistry. Retrieved 26 June 2012.
  16. ^ "ChemSpider and SyntheticPages support synthetic chemistry". RSC Publishing. Royal Society of Chemistry. 2010-02-05. Archived from the original on 26 July 2012. Retrieved 2012-06-26.
  17. ^ "RSC acquires ChemSpider". Royal Society of Chemistry. 11 May 2009. Retrieved 2009-05-11.
  18. ^ Williams, A. J.; Harland, L.; Groth, P.; Pettifer, S.; Chichester, C.; Willighagen, E. L.; Evelo, C. T.; Blomberg, N.; Ecker, G.; Goble, C.; Mons, B. (2012). "Open PHACTS: Semantic interoperability for drug discovery". Drug Discovery Today. 17 (21–22): 1188–1198. doi:10.1016/j.drudis.2012.05.016. PMID 22683805.
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