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Science - Chemistry 2 & 3 - Organic & Analytical Chemistry: Chemistry Reference Works

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ONLINE: Handbook of Chemistry & Physics Online, 103 ed.

The Handbook web application is divided into two main modules:

Document Mode - Search and browse the Handbook documents and tables. View interactive tables and generate graphs, export table data, etc.

Chemistry Mode - All chemical compounds and their associated physical properties from the >700 document tables in the Handbook collated into a single searchable database. Search for a compound by name, formula, property or structure, view all available physical properties, its structure etc. in a chemical entry and export data.


Merck Index

The Merck Index is an encyclopedia of chemicals, drugs, and biologicals with over 10,000 monographs on single substances or groups of related compounds (Wikipedia)

The Merck Index typically contains:

  • a CAS registry number
  • synonyms of the substance, such as trivial names and International Union of Pure and Applied Chemistry nomenclature
  • a chemical formula
  • molecular weight
  • percent composition
  • a structural formula
  • a description of the substance's appearance
  • melting point and boiling point
  • solubility in solvents commonly used in the laboratory
  • citations to other literature regarding the compound's chemical synthesis
  • a therapeutic category, if applicable
  • caution and hazard information

Combined Chemical Dictionary Online

The Combined Chemical Dictionary (CCD) Web Version is a chemical database containing over 500,000 substances:

The Chemical Dictionaries allow you to search an extensive database of chemical compounds by name, physical property, structure and more

  • Search for any chemical compound by name, property or structure
  • View a fully customisable search result list - add any available property to the search results and sort the result list
  • View a full entry of the compound, including structure.
  • Export search results
  • Save searches for future use

The following Dictionaries are included:

  • Dictionary of Analytical Reagents
  • Dictionary of Carbohydrates
  • Dictionary of Inorganic and Organometallic Compounds
  • Dictionary of Natural Products
  • Dictionary of Organic Compounds
  • Dictionary of Drugs 


ChemSpider is a free database that includes chemical data from a variety of open databases, private individuals and chemical supplier catalogues. It includes predicted and experimental values. It is owned by the Royal Society of Chemistry

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Reference Module in Chemistry

This Reference Module in Chemistry, Molecular Science and Chemistry Engineering contains trusted, peer-reviewed, comprehensive content from our reference works as curated by our world-class editorial board led by Editor-in-Chief, Jan Reedijk. It is designed for faster, more relevant browsing within the subject and beyond, with "Featured Articles" for quick, clear overviews, subject hierarchies to put everything in context, and guidance to lead researchers to related knowledge.

Subjects included are:

  • Analytical Sciences and Chemometrics
  • Chemical Process Technology and Engineering
  • Interfacial Chemistry - Surfaces and Electrochemistry
  • Medicinal and Pharmaceutical Chemistry
  • Molecular Inorganic Chemistry
  • Natural Products, Chemical Biology, and Food Chemistry
  • Organic Methodology and Organic Synthesis
  • Physical Chemistry
  • Supramolecular Chemistry and Heterocycles
  • Theoretical and Computational Chemistry