Access Chemical Safety Data and Hazard Information
Retrieve safety data sheet information including hazard classifications, handling precautions, and emergency procedures for any chemical.
Look Up Chemical Compound Properties
Identify chemical compounds by name, CAS number, or SMILES string and retrieve molecular weight, formula, and structure data.
Tool
Working with an unfamiliar compound and needing its molecular weight, formula, or InChI key means hunting across multiple chemistry databases, most of which require account registration or show inconsistent data. Researchers, lab technicians, and students waste real time on a task that should take seconds.
The compound_lookup and search_compounds skills query PubChem — one of the most comprehensive publicly available chemistry databases — returning molecular formula, molecular weight, IUPAC name, InChI key, canonical SMILES, and structural identifiers for any compound. Search by name, CAS number, SMILES, or synonym.
Chemistry students verifying compound properties, lab technicians identifying unknown substances, pharmaceutical researchers checking structural data, and educators building chemistry curricula all use this to get authoritative compound data without database subscriptions.
Agent Guides
Claude
- Connect ToolRouter to Claude: claude mcp add toolrouter -- npx -y toolrouter-mcp
- Ask: "Look up aspirin using chemistry-lookup"
- Claude returns molecular formula, weight, SMILES, and structural identifiers
ChatGPT
- Add ToolRouter to ChatGPT using the MCP JSON configuration
- Ask: "Look up caffeine using chemistry-lookup"
- ChatGPT returns molecular properties and structural data
Copilot
- Add ToolRouter to your Copilot MCP configuration
- In Copilot Chat: "Look up ethanol using chemistry-lookup"
- Copilot returns structured compound data with all molecular identifiers
OpenClaw
- Connect ToolRouter to OpenClaw: openclaw mcp add toolrouter -- npx -y toolrouter-mcp
- Run: "Look up aspirin, ibuprofen, paracetamol, and naproxen using chemistry-lookup"
- OpenClaw returns complete compound data for all four
Related Use Cases
Look Up and Compare Periodic Table Elements
Get detailed properties for any element and compare elements side by side across physical, chemical, and electronic characteristics.