IBUPROFEN
UNII WK2XYI10QM

Substance Identification & Data

This profile provides standardized clinical and technical data for Ibuprofen, uniquely identified by the FDA Unique Ingredient Identifier (UNII) WK2XYI10QM.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15687-27-1 and the RxNorm Concept ID (RxCUI) 5640. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
WK2XYI10QM
CAS Registry Number
15687-27-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
IBUPROFEN
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
WK2XYI10QM
The specific atomic composition represented as a molecular structure string.
InChIKey
C13H18O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HEFNNWSXXWATRW-UHFFFAOYSA-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
2118
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C(C(c1ccc(CC(C)C)cc1)C)(=O)O

Synonyms and Nomenclature

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

IBUPROFEN

Common Names & Synonyms

(+/-)-2-(P-ISOBUTYLPHENYL)PROPIONIC ACID
(+/-)-IBUPROFEN
(+/-)-P-ISOBUTYLHYDRATROPIC ACID
ADVIL ALLERGY SINUS COMPONENT IBUPROFEN
ADVIL CONGESTION RELIEF COMPONENT IBUPROFEN
BENZENEACETIC ACID, .ALPHA.-METHYL-4-(2-METHYLPROPYL)-
BENZENEACETIC ACID, .ALPHA.-METHYL-4-(2-METHYLPROPYL), (+/-)-
CHILDREN'S ADVIL COLD COMPONENT IBUPROFEN
CHILDREN'S MOTRIN COLD COMPONENT IBUPROFEN
COMBUNOX COMPONENT IBUPROFEN
IBUPROFEN [EMA EPAR]
IBUPROFEN [EP MONOGRAPH]
IBUPROFEN [HSDB]
IBUPROFEN [INN]
IBUPROFEN [JAN]
IBUPROFEN [MART.]
IBUPROFEN [MI]
IBUPROFEN [ORANGE BOOK]
IBUPROFEN [USAN]
IBUPROFEN [USP IMPURITY]
IBUPROFEN [USP MONOGRAPH]
IBUPROFEN [USP-RS]
IBUPROFEN [VANDF]
IBUPROFEN [WHO-DD]
IBUPROFEN [WHO-IP]
IBUPROFENUM [WHO-IP LATIN]
REPREXAIN COMPONENT IBUPROFEN
SINE-AID IB COMPONENT IBUPROFEN
VICOPROFEN COMPONENT IBUPROFEN

Brand / Trade Names

ACHES-N-PAIN
ADVIL
BURANA
CALDOLOR
CAP-PROFEN
COMBOGESIC COMPONENT IBUPROFEN
IBU
IBUPRIN
IBUPROHM
IBU-TAB
MEDIPREN
MIDOL
MOTRIN
NUPRIN
PEDEA
PROFEN
RUFEN
TAB-PROFEN

Technical Codes

IB-100
M01AE01
NSC-256857
RD 13621
U-18,573
U-18573

NDC Products Containing IBUPROFEN

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