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Chemical Formula Search


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):

PubChem Structure Search


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

Chemical Search - Organic Chemistry Portal


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

ChemSpider | Search and share chemistry


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

ChemExper Chemical Directory


The ChemExper Chemical Directory is a free service that allows to find a ... Enter a name, molecular formula, cas number, InChI, InChIKey or SMILES ... 2016 ChemExper Inc. – Search 11428926 different products from 2516 chemicals suppliers.

Compound Search: Home


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



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

STN Easy Quick Tips - Chemical Formula Search


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


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

Chemical Information Sources/Chemical Name and Formula Searches


Although many resources have a molecular formula search option, molecular formulas are far from unique, retrieving anywhere from a few to thousands of ...

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Compound Name Formula Search -- EndMemo


Chemical Compounds Lookup by Name or Formula.

Chemical Identifier Search - ChemSpider


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

Chemical Structure Search - ChemSpider


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