Cortexa research tool·structure·fda_gsrs

FDAGSRS Get Structure

Get chemical structure data for an FDA-regulated substance by UNII code. Returns SMILES, molecular formula, InChIKey, molfile, molecular weight, stereochemistry, and optical activity. No API key required. Only works for chemical substances; returns error for proteins, mixtures, or non-chemical substances. Example: UNII 'R16CO5Y76E' (aspirin) -> SMILES 'CC(=O)Oc1ccccc1C(O)=O'.

Livelast probed 2026-04-30 23:07Z· 111msCortexa

Status

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

Last probed: 1d ago
Last success: 1d ago
Last latency: 111ms

Schema

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

{
  "properties": {
    "unii": {
      "description": "FDA UNII code for the chemical substance. Examples: 'R16CO5Y76E' (aspirin), '9100L32L2N' (ibuprofen), '4T6H12BN9U' (metformin), 'IY9XDZ35W2' (cisplatin).",
      "type": "string"
    }
  },
  "required": [
    "unii"
  ],
  "type": "object"
}

Examples (1)

Default FDAGSRS Get Structure call

public-safeinput

{
  "unii": ""
}

Expected response keys: success

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

Identifiers

Catalog ID: tu_FDAGSRS_get_structure
Tool name: FDAGSRS_get_structure
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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