science.chem.names
Find chemical compound synonyms, CAS numbers, and registry IDs by entering any identifier like name, CAS, SMILES, or InChIKey to get alternative names and cross-references.
Instructions
Get all known names, synonyms, CAS numbers, and registry IDs for a chemical compound. Input any identifier (name, CAS, SMILES, InChIKey) and get the full list of aliases. Useful for finding alternative names, trade names, and cross-references (NCI CACTUS)
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| identifier | Yes | Chemical identifier to look up synonyms for — compound name, CAS number, SMILES, or InChIKey (e.g. "aspirin", "50-78-2") | |
| limit | No | Maximum number of names/synonyms to return (1-100). Default: 20 |