Cortexa research tool·chemistry·massbank

MassBank Search By Formula

Search MassBank Europe spectral library by molecular formula. Returns all mass spectra records for compounds with the specified molecular formula. Useful when you know the formula of an unknown compound and want to find candidate matches in the MS spectral library.

Livelast probed 2026-04-30 23:07Z· 83msCortexa

Status

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

Last probed: 1d ago
Last success: 1d ago
Last latency: 83ms

Schema

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

{
  "properties": {
    "formula": {
      "description": "Molecular formula (e.g., 'C9H8O4' for aspirin, 'C8H10N4O2' for caffeine, 'C6H12O6' for glucose)",
      "type": "string"
    },
    "limit": {
      "description": "Maximum number of spectra to return (default 10)",
      "type": [
        "integer",
        "null"
      ]
    }
  },
  "required": [
    "formula"
  ],
  "type": "object"
}

Examples (1)

Default MassBank Search By Formula call

public-safeinput

{
  "formula": ""
}

Expected response keys: success

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

Identifiers

Catalog ID: tu_MassBank_search_by_formula
Tool name: MassBank_search_by_formula
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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