LEVETIRACETAM
UNII 44YRR34555

Substance Identification & Data

This profile provides standardized clinical and technical data for Levetiracetam, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 44YRR34555.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 102767-28-2 and the RxNorm Concept ID (RxCUI) 114477. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
44YRR34555
CAS Registry Number
102767-28-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
LEVETIRACETAM
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
44YRR34555
The specific atomic composition represented as a molecular structure string.
InChIKey
C8H14N2O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HPHUVLMMVZITSG-LURJTMIESA-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
6450
Sequential identifier assigned via the WHO International Nonproprietary Name program.
USAN ID
LL-100
Identifier assigned by the United States Adopted Names Council.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C1CN([C@@H](CC)C(=O)N)C(=O)C1

Synonyms and Nomenclature

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

LEVETIRACETAM

Common Names & Synonyms

1-PYRROLIDINEACETAMIDE, .ALPHA.-ETHYL-2-OXO-, (.ALPHA.S)-
LEVETIRACETAM [EMA EPAR]
LEVETIRACETAM [EP IMPURITY]
LEVETIRACETAM [EP MONOGRAPH]
LEVETIRACETAM [HSDB]
LEVETIRACETAM [INN]
LEVETIRACETAM [JAN]
LEVETIRACETAM [MART.]
LEVETIRACETAM [MI]
LEVETIRACETAM [ORANGE BOOK]
LEVETIRACETAM [USAN]
LEVETIRACETAM [USP IMPURITY]
LEVETIRACETAM [USP MONOGRAPH]
LEVETIRACETAM [USP-RS]
LEVETIRACETAM [VANDF]
LEVETIRACETAM [WHO-DD]
LEVETIRACETAME

Brand / Trade Names

ELEPSIA
LEVETIRACETAM ACCORD
LEVETIRACETAM ACTAVIS
LEVETIRACETAM ACTAVIS GROUP
LEVETIRACETAM HOSPIRA
LEVETIRACETAM RATIOPHARM
LEVETIRACETAM SUN
LEVETIRACETAM TEVA
MATEVER

Systematic Nomenclature

(-)-(S)-.ALPHA.-ETHYL-2-OXO-1-PYRROLIDINEACETAMIDE

Technical Codes

AGB-101
N03AX14
NSC-760119
UCB 22059
UCB-22059
UCB-L059

NDC Products Containing LEVETIRACETAM

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