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Chemical Formula Search

webbook.nist.gov/chemistry/form-ser.html

Search for Species Data by Chemical Formula. Please follow the steps below to conduct your search (Help): Enter the desired chemical formula (e.g., C4H*Cl):

Chemical Structure Search - PubChem

pubchem.ncbi.nlm.nih.gov/search/search.cgi

PubChem Structure Search. ... Search By: Name/ Text, Identity/ Similarity, Substructure/ Superstructure, Molecular Formula, 3D Conformer, Saved Search ...

Chemical Search - Organic Chemistry Portal

www.organic-chemistry.org/chemicals/search.htm

Organic Chemistry Portal · Chemicals >> Quick Search, Structure Search. Chemical Search Engine. Enter a name, molecular formula or cas number: ...

Chemical Identifier Search - ChemSpider

www.chemspider.com/Search.aspx

Search by Systematic name, Synonym, Trade name, Registry number, SMILES or InChI.

STN Easy Quick Tips - Chemical Formula Search

www.cas.org/training/stneasytips/subinforformula.html

Introduction. This section describes how to use the Advanced Search option in STN Easy to find chemical substance information using a chemical formula.

Substructure Search - Sigma-Aldrich

www.sigmaaldrich.com/catalog/search/substructure/SubstructureSearchPage

Search Options. Stereo ... Help. Clear. Search ... IDRANAL, SPECTRANAL, and VOLPAC are trademarks of Honeywell Specialty Chemicals Seelze GmbH.

Sophisticated chemical formula search - ChemAxon - DOCS

docs.chemaxon.com/display/docs/Sophisticated chemical formula search

Feb 19, 2015 ... JChem Base offers sophisticated chemical formula search for easier usage and better performance. Besides simple chemical formula search, ...

eMolecules

www.emolecules.com/

Free chemical structure search engine with millions of public domain structures from vendors worldwide.

Compound Search: Home

www.compoundsearch.com/

Compound Search: Free Wiley spectral library chemical compound search ... chemical name, InChI, InChI key, nominal mass, or molecular formula (Hill order)  ...

The chemical elements of the periodic table sorted by symbol

www.lenntech.com/periodic/symbol/symbol.htm

Chemical elements listed by symbol. The elements of the periodic table sorted by symbol. click on any element's name for further chemical properties, ...

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Compound Name Formula Search -- EndMemo

www.endmemo.com

Chemical Compounds Lookup by Name or Formula.

ChemSpider | Search and share chemistry

www.chemspider.com

Free chemistry search engine which aggregates and indexes chemical structures and their associated information into a single searchable repository.

Chemical Structure Search - ChemSpider

www.chemspider.com

Search by Structure or Substructure. Upload a structure file or draw using a molecule editor.