is a Data Source.
FDA's Global Substance Registration System (GSRS) is a comprehensive database that provides Unique Ingredient Identifiers (UNIIs) for substances in FDA-regulated products. UNIIs uniquely define substances based on scientific identity characteristics using ISO 11238 data elements, enabling efficient and accurate exchange of substance information across regulatory domains.
clinical, drug discovery, pharmacology, public health
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| unii.search | UNII Search Service | uniisearch | GraphicalInterface | http | Web-based search interface for findin... |
| unii.list ⚠ | UNII List Download | UNIIs.zip | Product | csv | Downloadable list of all UNIIs with b... |
| unii.data ⚠ | UNII Data Download | UNII_Data.zip | Product | mixed | Comprehensive UNII data with detailed... |
| unii.legacy ⚠ | Legacy UNIIs | Legacy_UNIIs.txt | Product | txt | Legacy UNII identifiers for historica... |
| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| mechreponet.kg | MechRepoNet Knowledge Graph | publication | ❔ | The MechRepoNet knowledge graph in it... |
Created: July 17, 2025 | Last modified: September 24, 2025