CUSIP format

Client

North American security identifier shape.

About CUSIP format

Validate 9-character CUSIP shape (no check verify). The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

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Nearby workflows on Toolcore

  • CUSIP checksum — North American nine-character CUSIP—issuer/issue layout and mod-10 check digit; no registry lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • SEDOL checksum — London seven-character SEDOL—body layout and mod-10 check digit with LSE weights; no LSEG lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • FIGI format checker — Twelve-character FIGI—OpenFIGI layout and mod-10 check digit; no directory lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • MIC format checker — Four-letter Market Identifier Code—ISO 10383 layout and segment hints; no MIC directory lookup; browser-only. when another identifier column uses a different checksum ruleset.

Common use cases

  • CUSIP format for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.