4,4'-DIFLUORODIPHENYL ETHER
UNII 9R9O553TWZ

Substance Identification & Data

This profile provides standardized clinical and technical data for 4,4'-difluorodiphenyl Ether, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9R9O553TWZ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 330-93-8 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

9R9O553TWZ

CAS Registry Number

330-93-8

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

4,4'-DIFLUORODIPHENYL ETHER

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

InChIKey

C12H8F2O

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

UUKHFGSOCZLVJO-UHFFFAOYSA-N

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

PubChem CID

67615

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

c1cc(F)ccc1Oc2ccc(F)cc2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 4,4'-difluorodiphenyl Ether. 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.