LECANEMAB
UNII 12PYH0FTU9

Substance Identification & Data

This profile provides standardized clinical and technical data for Lecanemab, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 12PYH0FTU9.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1260393-98-3 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

12PYH0FTU9

CAS Registry Number

1260393-98-3

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

LECANEMAB

Official standardized name for this substance within the FDA UNII nomenclature system.

Molecular Formula

12PYH0FTU9

The specific atomic composition represented as a molecular structure string.

NCI Thesaurus

C175105

National Cancer Institute reference terminology for clinical and research data.

INN ID

11194

Sequential identifier assigned via the WHO International Nonproprietary Name program.

USAN ID

GH-07

Identifier assigned by the United States Adopted Names Council.

Substance Type

protein

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Synonyms and Nomenclature

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

LECANEMAB

LECANEMAB-IRMB

Common Names & Synonyms

LECANEMAB [INN]

LECANEMAB [JAN]

LECANEMAB [USAN]

LECANEMAB [WHO-DD]

LECANEMAB IRMB [WHO-DD]

Brand / Trade Names

LEQEMBI

Systematic Nomenclature

IMMUNOGLOBULIN G1, ANTI-(HUMAN .BETA.-AMYLOID PROTOFIBRIL) (HUMAN-MUS MUSCULUS MONOCLONAL BAN2401 HEAVY CHAIN), DISULFIDE WITH HUMAN-MUS MUSCULUS MONOCLONAL BAN2401 LIGHT CHAIN, DIMER

SYS