Cortexa connector·chemistry

PubChem

PubChem: NIH compound database with structures (SMILES, InChI), physicochemical properties (MW, XLogP, TPSA), and GHS hazard classifications. FIRST CHOICE for any chemistry question that names a molecule, compound, or drug substance.

Livelast probed 2026-04-30 22:59Z· 881msPubChem

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 881ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "minLength": 1,
      "maxLength": 500,
      "description": "The search query. Prefer specific terms (gene symbols, drug names, condition keywords) over full questions."
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 15,
      "default": 5,
      "description": "Max results to return. Default 5."
    }
  },
  "required": [
    "query"
  ],
  "additionalProperties": false
}

Examples (1)

Search PubChem

public-safeinput

{
  "query": "aspirin",
  "limit": 3
}

Expected response keys: count, results, source

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: search_pubchem
Source ID: pubchem
Vertical: chemistry
Added: 2026-04-30 22:47Z
Tags: direct

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