STYRENE
UNII 44LJ2U959V

Substance Identification & Data

This profile provides standardized clinical and technical data for Styrene, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 44LJ2U959V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 100-42-5 and the RxNorm Concept ID (RxCUI) 1362878. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
44LJ2U959V
CAS Registry Number
100-42-5
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
STYRENE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
44LJ2U959V
The specific atomic composition represented as a molecular structure string.
InChIKey
C8H8
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PPBRXRYQALVLMV-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
C(=C)c1ccccc1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Styrene. 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

CINNAMENE
COLESTYRAMINE IMPURITY A [EP IMPURITY]
MAOMIN SM
SODIUM POLYSTYRENE SULFONATE IMPURITY A [EP IMPURITY]
STYRENE [HSDB]
STYRENE [IARC]
STYRENE [MI]
STYROLENE
STYROPOL SO

Systematic Nomenclature

ETHENYLBENZENE
PHENYLETHYLENE
STYRENE
VINYLBENZENE

Technical Codes

FEMA NO. 3233
NSC-62785
TTB 7302

NDC Products Containing STYRENE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: