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ChemSpell web service overview

The ChemSpell Web Service is built with Jersey RESTful Web Services framework. It provides chemical name spell checking and chemical name synonym look-up. ChemSpell contains more than 1.3 million chemical names related to organic, inorganic, pharmaceutical, toxicological, and environmental health topics. ChemIDplus is the source for ChemSpell. When a chemical name is entered, ChemSpell returns a list of JSON format chemical synonyms if the spelling is correct. If the spelling is incorrect, it returns a list of suggestions for alternate spellings.

Enter a chemical name:     

You can make a chemical name spelling check by sending a GET request to

Synonym List example:

Misspelling case, a suggest list returned: