3,3',5,5'-TETRAIODOTHYROACETIC ACID
UNII PA7UX1FFYQ

Substance Identification & Data

This profile provides standardized clinical and technical data for 3,3',5,5'-tetraiodothyroacetic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) PA7UX1FFYQ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 67-30-1 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
PA7UX1FFYQ
CAS Registry Number
67-30-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
3,3',5,5'-TETRAIODOTHYROACETIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C14H8I4O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PPJYSSNKSXAVDB-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(cc(CC(O)=O)cc(c1Oc2cc(c(c(c2)I)O)I)I)I

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 3,3',5,5'-tetraiodothyroacetic Acid. 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.

Common Names & Synonyms

3,3',5,5'-TETRAIODOTHYROACETIC ACID
ACETIC ACID, (4-(4-HYDROXY-3,5-DIIODOPHENOXY)-3,5-DIIODOPHENYL)-
BENZENEACETIC ACID, 4-(4-HYDROXY-3,5-DIIODOPHENOXY)-3,5-DIIODO-
LEVOTHYROXINE SODIUM IMPURITY D [EP IMPURITY]
LEVOTHYROXINE SODIUM IMPURITY, T4-ACETIC ACID- [USP IMPURITY]
LIOTHYRONINE SODIUM IMPURITY D [EP IMPURITY]
T4-ACETIC ACID
TETRAC
TETRAIODOTHYROACETIC ACID
THYROACETIC ACID, 3,3',5,5'-TETRAIODO-

Systematic Nomenclature

(4-(4-HYDROXY-3,5-DIIODOPHENOXY)-3,5-DIIODOPHENYL)ACETIC ACID