NAPROXEN
UNII 57Y76R9ATQ

Substance Identification & Data

This profile provides standardized clinical and technical data for Naproxen, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 57Y76R9ATQ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 22204-53-1 and the RxNorm Concept ID (RxCUI) 7258. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
57Y76R9ATQ
CAS Registry Number
22204-53-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
NAPROXEN
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
57Y76R9ATQ
The specific atomic composition represented as a molecular structure string.
InChIKey
C14H14O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CMWTZPSULFXXJA-VIFPVBQESA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
2979
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(cc2ccc(cc2cc1)OC)[C@@H](C(=O)O)C

Synonyms and Nomenclature

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

FDA Official Name

NAPROXEN

Common Names & Synonyms

2-NAPHTHALENEACETIC ACID, 6-METHOXY-.ALPHA.-METHYL-, (S)-
NAPROXEN [EP MONOGRAPH]
NAPROXEN [GREEN BOOK]
NAPROXEN [HSDB]
NAPROXEN [INN]
NAPROXEN [JAN]
NAPROXEN [MART.]
NAPROXEN [MI]
NAPROXEN [ORANGE BOOK]
NAPROXEN [USAN]
NAPROXEN [USP MONOGRAPH]
NAPROXEN [USP-RS]
NAPROXEN [VANDF]
NAPROXEN [WHO-DD]
VIMOVO COMPONENT NAPROXEN

Brand / Trade Names

EC-NAPROSYN
NAPROSYN

Systematic Nomenclature

(+)-(S)-6-METHOXY-.ALPHA.-METHYL-2-NAPHTHALENEACETIC ACID

Technical Codes

NSC-750183
NSC-757239
PN400 COMPONENT NAPROXEN
RS-3540

NDC Products Containing NAPROXEN

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