Dianshi
One-stop search platform for chemical substances, reactions, and documents
6M+
Substances
10M+
Reactions
FROM
1M+
Documents
Developer Access/api/mcp
Call Dianshi chemistry search tools through MCP
Connect substance, reaction, reference, and structural similarity search to MCP-capable AI clients so models can query Dianshi and receive structured results.
Recommended Documents
Platform Features
Massive Data
Covers USPTO and EPO filings from 1976 through 2025, indexing over 1 million organic synthesis patents.
High-dimensional Information
Each reaction entry captures 18+ information dimensions, delivering industry-leading data density.
Precise Traceability
Every data point is anchored to the original literature passage, enabling one-click trace-back and verification.