Know exactly what your dossier is missing.

Before you can fill a gap you have to find it: the endpoints with no supporting study, and the studies that do not map cleanly to any endpoint. ToxIndex reads a dossier and returns that map, grounded in what is genuinely absent versus already covered elsewhere.

Updated July 18, 2026

IUCLID
dossiers ingested directly
Endpoint
level mapping of every study
60B+
triples of evidence to check against

Finding the holes before a regulator does

A dossier can look complete and still fail a completeness check, because a study sits under the wrong endpoint or an endpoint has nothing behind it at all. Catching that by eye across dozens of endpoints is exactly the kind of work that slips.

Gaps ingests the IUCLID dossier, maps each study to the endpoints it informs, and flags both the unmappable studies and the empty endpoints. Because it reads the Yard warehouse underneath, it can tell a real gap from evidence that already exists elsewhere in the record.

Questions teams ask

Frequently asked questions

What does a data-gap analysis return?

Gaps ingests an IUCLID dossier, maps each study to the endpoints it informs, and flags both the endpoints with no supporting study and the studies that map nowhere.

How does it avoid flagging false gaps?

Because it reads the Yard warehouse (60B+ triples of evidence) underneath, it can tell a genuine data gap from evidence that already exists elsewhere in the record.

What happens to a gap once it is found?

Every flagged endpoint hands straight to read-across or a predictor, so analysis rolls into remediation without a context switch.

See it on your own chemistry.

Try the free version now, or book a walkthrough of the full platform on your substances.