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Zanidatamab

Chemical FDA Substance Registry (openFDA)
Chemical Identification
CAS Number2169946-15-8
Known Aliases (8)
Common Name
ANTI-HER2 BI-SPECIFIC MONOCLONAL ANTIBODY ZW25 JZP598 zanidatamab [INN] ZANIDATAMAB [USAN] Zanidatamab [WHO-DD] ZW-25 ZW25
Scientific Name
Immunoglobulin G1, anti-(human tyrosine kinase receptor HER2) (human-Mus musculus biparatopic monoclonal ZW25 light chain variable region fragment) fusion protein with peptide (synthetic 20-amino acid linker) fusion protein with human-Mus musculus biparatopic monoclonal ZW25 heavy chain variable region fragment fusion protein with peptide (synthetic 20-amino acid linker) fusion protein with human Fc fragment, (261→229'),(264→232')-bis(disulfide) with immunoglobulin G1 anti-(human tyrosine kinase receptor HER2) (human-Mus musculus biparatopic monoclonal ZW25 γ1-chain) disulfide with human-Mus musculus biparatopic monoclonal ZW25 κ-chain
Data Sources (1)
Source Source ID Name in Source Properties
FDA Substance Registry (openFDA) Z20OC92TDI Zanidatamab CAS: 2169946-15-8
INN: 10997
USAN: MN-268
SMS_ID: 300000009722
FDA UNII: Z20OC92TDI
DRUG BANK: DB15471
NCI_THESAURUS: C28227
FDA ORPHAN DRUG: 519516
Record Info
ID7Gyg86YUUwGQMhRKiGF6na
CreatedApril 10, 2026, 8:05 p.m.
ModifiedApril 11, 2026, 12:24 a.m.
Data SourceFDA Substance Registry (openFDA)