DataHub v1 is the original DataHub catalog of 11,000+ open datasets, now migrated to PortalJS Arc.
Dataset

OpenTox

Open Project in toxicology, making available via a RDF/REST mashup toxicological data and predictive toxicology methods. Data is available under various, including Open, licenses.

Download & API
944867fa-6522-4218-b307-684ab335545capi/sparql
Download
Sources & license