C205048Level 8

Total Product Unknown Impurity Assay

**Semantic type:** Qualitative Concept

**Definition:** The sum of unknown (unidentified) impurities in a new drug substance or product specification.

**Synonyms:** - Total Unknown Impurities

GET/api/v1/systems/nci_thesaurus/nodes/C205048

Official DownloadCC BY 4.0Source

Hierarchy Explorer

No cross-system equivalences mapped for this node.