LAMOTRIGINE
UNII U3H27498KS

Substance Identification & Data

This profile provides standardized clinical and technical data for Lamotrigine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) U3H27498KS.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 84057-84-1 and the RxNorm Concept ID (RxCUI) 28439. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
U3H27498KS
CAS Registry Number
84057-84-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
LAMOTRIGINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
U3H27498KS
The specific atomic composition represented as a molecular structure string.
InChIKey
C9H7Cl2N5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PYZRQGJRPPTADH-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
5638
Sequential identifier assigned via the WHO International Nonproprietary Name program.
USAN ID
X-44
Identifier assigned by the United States Adopted Names Council.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1cc(c(c(c1)Cl)Cl)-c2c(N)nc(N)nn2

Synonyms and Nomenclature

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

LAMOTRIGINE

Common Names & Synonyms

1,2,4-TRIAZINE-3,5-DIAMINE, 6-(2,3-DICHLOROPHENYL)
3,5-DIAMINO-6-(2,3-DICHLOROPHENYL)-AS-TRIAZINE
LAMOTRIGINE [EP IMPURITY]
LAMOTRIGINE [EP MONOGRAPH]
LAMOTRIGINE [HSDB]
LAMOTRIGINE [INN]
LAMOTRIGINE [JAN]
LAMOTRIGINE [MART.]
LAMOTRIGINE [MI]
LAMOTRIGINE [ORANGE BOOK]
LAMOTRIGINE [USAN]
LAMOTRIGINE [USP IMPURITY]
LAMOTRIGINE [USP MONOGRAPH]
LAMOTRIGINE [USP-RS]
LAMOTRIGINE [WHO-DD]

Brand / Trade Names

LAMICTAL
SUBVENITE

Technical Codes

BW 430C
BW-430C
NSC-759171

NDC Products Containing LAMOTRIGINE

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