N-FORMYL THYROXINE
UNII 4JQ6559BER

Substance Identification & Data

This profile provides standardized clinical and technical data for N-formyl Thyroxine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4JQ6559BER.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 671235-41-9 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
4JQ6559BER
CAS Registry Number
671235-41-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
N-FORMYL THYROXINE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C16H11I4NO5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DNRNTTVIRGKKSQ-ZDUSSCGKSA-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
C([C@@H](NC=O)Cc1cc(c(Oc2cc(c(c(c2)I)O)I)c(c1)I)I)(=O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for N-formyl Thyroxine. 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

LEVOTHYROXINE SODIUM IMPURITY, N-FORMYL-T4- [USP IMPURITY]
N-FORMYL THYROXINE
N-FORMYL-T4
THYROXINE, N-FORMYL-

Systematic Nomenclature

L-TYROSINE, N-FORMYL-O-(4-HYDROXY-3,5-DIIODOPHENYL)-3,5-DIIODO-