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piggy Lee

The production of valid and appropriate chemical structure representations which are appropriate for deposition into chemical structure databases and for inclusion into scientific publications requires adoption of a set of pre-processing filters and standardization procedures. As part of our ongoing effort to improve the quality of data for deposition into the RSC ChemSpider database, to provide a manner by which to validate and prepare data for publication and to provide a valuable service to the chemistry community, we have delivered the ChemValidator online service. This website provides access to an intuitive user interface for the upload of chemical compounds in various formats, pre-processing and standardization relative to a defined set of standards and validation checking of the chemicals according to a number of rules including hypervalency, absence of stereochemistry and charge balance. This presentation will report on the development of ChemValidator. This presentation was given by David Sharpe at the ACS Fall Meeting in 2012

ChemValidator – an online service for validating and standardizing chemical s...

US Environmental Protection Agency (EPA), Center for Computational Toxicology and Exposure

Thanksgiving holhours2014

Joint Base Myer-Henderson Hall

High quality chemical databases are struggling with protecting their data from the flow of wild machine-generated chemistry and lower-quality data. The period of primarily human curation prior to deposition in a database is gone and quality-conscious databases need to heavily rely on automated validation checks. An automated chemical validation system is being developed by the cheminformatics team at the Royal Society of Chemistry to be the “quality gatekeeper” of databases at the point of deposition. ChemSpider is leading a community-wide standardization approach starting with our support of the Open PHACTS semantic web project, an Innovative Medicines Initiative. The Chemical Validation and Standardization Platform (CVSP) is being designed as an open, flexible chemical validation and standardization platform that validates and standardizes chemical records. This presentation will review the existing beta version of the system and work in progress.

The RSC chemical validation and standardization platform, a potential path to...

Ken Karapetyan

The Royal Society of Chemistry provides a variety of databases and services covering multiple domains of Chemistry. That includes our electronic publishing platform, ChemSpider and its related databases, the National Chemistry Database and digital access to the RSC archive that spans over 170 years. In order to support the rising tide of semantic web technologies we are now working on exposing our data to conform with the linked data paradigm. This presentation will provide an overview of our work to introduce semantic structure to all RSC electronic resources as well as outlining ways to access this information using standard formats and various APIs.

Building support for the semantic web for chemistry at the Royal Society of C...

Ken Karapetyan

Presentation delivered by Colin Batchelor from the RSC eScience team at ACS New Orleans Spring Meeting April 2013. There are dozens of public compound databases now available online, some of these providing access to tens of millions of chemical compounds. However, very little effort has been put into the delivery of databases of chemical reactions with the majority of large resources being commercial in nature. In our five years of delivering chemical based data resources to the chemistry community one of the primary requests has been that chemists want to know how to synthesize many of the chemicals they are researching. This presentation will provide an overview of our concerted efforts to enhance access to freely available chemistry data and will discuss the ChemSpider Reactions as an integrating hub of content including data extracted from US patents, from RSC Journals and databases and from our micro-publishing platform ChemSpider Synthetic Pages (CSSP).

ChemSpider reactions – delivering a free community resource of chemical synth...

Ken Karapetyan

The anatomy of a chemical reaction: Dissection by machine learning algorithms

Alex Clark

Chemical informatics technology can be of assistance to chemists for describing reactions in numerous ways, including calculating green chemistry metrics such as process mass intensity, E-factor and atom economy. To facilitate this, chemical reactions have to be described in more precise detail than is the norm for most chemists. There are also numerous practical ways to add more green chemistry functionality to lab notebooks, such as enumerating searchable reaction transforms for environmentally favourable reactions, automatically looking up toxicity and hazard information, and others which are mentioned in the slides. This presentation was given at the Green Chemistry & Engineering conference in 2015 (Americal Chemical Society Green Chemistry Insititute).

Green chemistry in chemical reactions: informatics by design

Alex Clark

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