From: "Secretary, ACS Division of Chemical Health and Safety" <secretary**At_Symbol_Here**DCHAS.ORG>
Subject: [DCHAS-L] National Library of Medicine ChemIDplus has been enhanced
Date: Wed, 24 Jun 2015 14:51:09 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 4B50F1E1-AC23-4110-936D-6D8CD81EE26D**At_Symbol_Here**dchas.org


The National Library of Medicine (NLM) ChemIDplus Lite and ChemIDplus Advanced interfaces have been enhanced.
http://chem.sis.nlm.nih.gov/chemidplus/

Valid chemical names and CAS RN completions are displayed as the user types into the search box. If no data is found, suggestions are provided.

The ChemIDplus Registry Number field now includes the FDA UNII code (http://www.fda.gov/ForIndustry/DataStandards/SubstanceRegistrationSystem-UniqueIngredientIdentifierUNII/).

The InChIKey is now directly searchable. It can be used for the interchange of structural data and as input for search engines such as Google.

The ChemIDplus Formula field now accepts molecular formulas with spaces between elements and their counts and without the hyphens previously required.

Examples of these new features can be seen at the ChemIDplus Help pages. http://chem.sis.nlm.nih.gov/chemidplus/jsp/chemidheavy/help.jsp#GeneralInformation

ChemIDplus is a free, web search system that provides access to the structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases, including the TOXNETå¨ system. ChemIDplus also has structure searching and direct links to resources at NLM, federal agencies, U.S states, and scientific sites. The database contains more than 400,000 chemical records, of which over 300,000 include chemical structures.

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