EFZILONKOFUSP ALFA
UNII D83KB6PH3Y

Substance Identification & Data

This profile provides standardized clinical and technical data for Efzilonkofusp Alfa, uniquely identified by the FDA Unique Ingredient Identifier (UNII) D83KB6PH3Y.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2922216-50-8 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
D83KB6PH3Y
CAS Registry Number
2922216-50-8
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
EFZILONKOFUSP ALFA
Official standardized name for this substance within the FDA UNII nomenclature system.
NCI Thesaurus
C211710
National Cancer Institute reference terminology for clinical and research data.
INN ID
13123
Sequential identifier assigned via the WHO International Nonproprietary Name program.
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 Efzilonkofusp Alfa. 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

EFZILONKOFUSP ALFA

Common Names & Synonyms

1-208-CD80 ANTIGEN (HUMAN) FUSION PROTEIN WITH PEPTIDE LINKER (GS(GGGGS)3) FUSION PROTEIN WITH IMMUNOGLOBULIN G4 (RECOMBINANT HUMAN .GAMMA.4-CHAIN HINGE-CH2-CH3 FRAGMENT) FUSION PROTEIN WITH PEPTIDE LINKER (GGGGS) FUSION PROTEIN WITH INTERLEUKIN 2 (38-ALANINE,42-ALANINE,61-ARGININE) (HUMAN), DIMER
EFZILONKOFUSP ALFA [INN]
HUMAN T-LYMPHOCYTE ACTIVATION ANTIGEN CD80 (ACTIVATION B7-1 ANTIGEN, CTLA-4 COUNTER-RECEPTOR B7.1, CD80) EXTRACELLULAR DOMAIN CONTAINING FRAGMENT (1-208 IN THE CURRENT SEQUENCE) FUSED VIA PEPTIDE LINKER 209GSGGGGSGGGGSGGGGS225 TO AN FC FRAGMENT OF HUMAN IMMUNOGLOBULIN G4 (226-454) (HOMO SAPIENS IGHG4*01, HINGE INS226>A, S236>P (226-238), CH2 F242>A, L243>A, T258>Q (239-348), CH3 M436>L (349-453), CHS K455>DEL (454)) FUSED VIA PEPTIDE LINKER 455GGGGS459 TO HUMAN INTERLEUKIN-2 (IL-2, T-CELL GROWTH FACTOR (TCGF)) (1-133, 460-592 IN THE CURRENT SEQUENCE), VARIANT (R38>A497, F42>A501, E61>R520) DIMER (234-234', 237-237')-BISDISULFIDE, PRODUCED IN CHINESE HAMSTER OVARY (CHO) CELLS, GLYCOFORM ALFA

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
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NLM
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NCATS
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NIH
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