IOTHALAMATE SODIUM I-131
UNII 551YP2X704

Substance Identification & Data

This profile provides standardized clinical and technical data for Iothalamate Sodium I-131, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 551YP2X704.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15845-98-4 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

551YP2X704

CAS Registry Number

15845-98-4

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

IOTHALAMATE SODIUM I-131

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

InChIKey

C11H8I3N2O4.Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

WCIMWHNSWLLELS-KYJPGBFZSA-M

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

NCI Thesaurus

C175094

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

23724933

Unique identification number in the NCBI database of chemical substances.

INN ID

2338

Sequential identifier assigned via the WHO International Nonproprietary Name program.

Substance Type

chemical

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

Ingredient Role

CNC(=O)c1c(c(NC(C)=O)c([131I])c(C(=O)[O-])c1[131I])[131I].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Iothalamate Sodium I-131. 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.