NIRSEVIMAB
UNII VRN8S9CW5V

Substance Identification & Data

This profile provides standardized clinical and technical data for Nirsevimab, uniquely identified by the FDA Unique Ingredient Identifier (UNII) VRN8S9CW5V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1989556-22-0 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

VRN8S9CW5V

CAS Registry Number

1989556-22-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

NIRSEVIMAB

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

Molecular Formula

VRN8S9CW5V

The specific atomic composition represented as a molecular structure string.

NCI Thesaurus

C170224

National Cancer Institute reference terminology for clinical and research data.

INN ID

10780

Sequential identifier assigned via the WHO International Nonproprietary Name program.

USAN ID

FG-140

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 Nirsevimab. 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

NIRSEVIMAB

NIRSEVIMAB-ALIP

Common Names & Synonyms

NIRSEVIMAB [INN]

NIRSEVIMAB [JAN]

NIRSEVIMAB [USAN]

NIRSEVIMAB [WHO-DD]

NIRSEVIMAB ALIP [WHO-DD]

Brand / Trade Names

BEYFORTUS

Systematic Nomenclature

IMMUNOGLOBULIN G1, ANTI-(HUMAN RESPIRATORY SYNCYTIAL VIRUS FUSION PROTEIN)(HUMAN MONOCLONAL MED18897 .GAMMA.1-CHAIN), DISULFIDE WITH MONOCLONAL MED18897 .KAPPA.-CHAIN, DIMER

SYS

IMMUNOGLOBULIN G1-KAPPA, ANTI-(HUMAN RESPIRATORY SYNCYTIAL VIRUS FUSION GLYCOPROTEIN F0 (PROTEIN F))HUMAN MONOCLONAL ANTIBODY.GAMMA.1 HEAVY CHAIN (1-456) (HUMAN VH (HOMO SAPIENS IGHV1-69*01(IGHD)-IGHJ4*01 (90.1%)) (8.8.19) (1-126) -HOMO SAPIENS IGHG1*03 (CH2 M22>Y(261),S24>T(263),T26>E(265)) (127-456)) (229-214')-DISULFIDE WITH KAPPA LIGHT CHAIN (1'-214') (HUMAN V-KAPPA (HOMO SAPIENS IGKV1-33*01IGKJ4*01)(96%) (6.3.9) (1'-107') -HOMO SAPIENS IGKC*01 (108'-214')), DIMER (235-235'':238-238'')-BISDISULFIDE

SYS