HOLMIUM HO-166
UNII AQ8R2G7J9G

Substance Identification & Data

This profile provides standardized clinical and technical data for Holmium Ho-166, uniquely identified by the FDA Unique Ingredient Identifier (UNII) AQ8R2G7J9G.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 13967-65-2 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

AQ8R2G7J9G

CAS Registry Number

13967-65-2

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

HOLMIUM HO-166

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

Ho

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

KJZYNXUDTRRSPN-OUBTZVSYSA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C1943

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

161007

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[166Ho]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Holmium Ho-166. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.