Research Grade Biosimilar Antibodies

Low endotoxin levels
Hot Target Coverage
Validated binding activity

What are Biosimilar Antibodies?

Biosimilar antibodies are research-grade antibodies that are highly similar in structure, function and sequences to the approved original therapeutic antibodies. They are produced through recombination technology and have the same variable regions from the corresponding therapeutic antibodies, which making them reliable and more cost-effective research tools and alternative reagents in drug development and basic research.

CUSABIO has successfully expressed and validated many research-grade biosimilar antibodies, covering a variety of popular targets. All these research-grade biosimilar antibodies can be directly used as positive controls in drug discovery or used for rapid verification of the biological functions of target protein.

Why Choose CUSABIO Biosimilar Antibodies?

Identical Variable Region Sequence

Our biosimilar antibodies are recombinantly expressed in mammalian cells with unmodified variable and Fc regions identical to the approved therapeutic antibodies.

Broad Range of Targets

We offer over 200 ready-to-use biosimilar antibodies covering key targets, including immune checkpoints, tumor drivers, and neurological markers.

Validated Binding Activity

Each batch is ELISA-validated for strong target binding and comes with an EC50 value for reliable performance.

Stable Supplies of Various Scale

We offer stable supply of research-grade biosimilar antibodies from ul to g level, proving multiple options to customers.

Common Application Scenarios

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Mechanism Research and Functional Validation

Serve as highly similar research tools for in vitro assessment of biological activities such as cytotoxicity and blocking effects of antibody drugs, enabling in-depth investigation into their mechanisms of action.

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Drug Development and Quality Control Analysis

Used as critical reference standards or surrogate materials in the development of pharmacokinetic (PK) and immunogenicity (ADA) assays, facilitating method validation and bioequivalence evaluation.

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Assay and Diagnostic Development

Function as reliable positive controls in Flow Cytometry, IHC, and other detection platforms, or are utilized in the development of companion diagnostics to ensure assay specificity and accuracy.

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Preclinical In Vivo Efficacy Evaluation

With formulations suitable for in vivo administration, they can be directly applied in animal models for efficacy assessment and dose exploration, providing a foundation for preclinical research.

Product Catalog

Code Product Name
CSB-RA159341MB20HU EGFR (Tomuzotuximab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA017647MB13HU PCSK9 (Frovocimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA614985MB1HU AMHR2 (Murlentamab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA675446MB18HU TIGIT (Tamgiblimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA012719MB16HU LAG3 (Ieramilimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA619964MB54HU PDCD1 (Acrixolimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA878862MB3HU DLL4 (Enoticumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA887154MB1HU RSPO3 (Rosmantuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA015215MB3HU MUC1 (Gatipotuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA013714MB5HU MET (telisotuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA015949MB1HU NOTCH1 (Brontictuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA001950MB17HU APP (Ponezumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA890692MB1HU EGFL7 (Parsatuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011088MB1HU IGF2 (Dusigitumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA006163MB19HU CTLA4 (Nurulimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004936MB26HU CD40 (Bleselumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004935MB11HU CD4 (Priliximab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA624104MB14HU IL17A (Perakizumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA007717MB4HU EPCAM (Adecatumumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA008645MB2HU FGFR2 (Aprutumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA017647MB12HU PCSK9 (Ralpancizumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011649MB7HU IL2RA (Camidanlumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA025399MB1HU TYRP1 (Flanvotumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011590MB8HU IL13 (Abrezekimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA015511MB3HU NCAM1 (Lorvotuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA001347MB1HU ADCYAP1R1 (Zelminemab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA017647MB11HU PCSK9 (Lodelcizumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA023954MB1HU TNC (Tenatumomab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA015056MB1HU MST1R (Narnatumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA012719MB15HU LAG3 (Encelimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011649MB6HU IL2RA (Inolimomab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004935MB10HU CD4 (Cedelizumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA006240MB3HU CXCL10 (Eldelumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA159341MB19HU EGFR (Depatuxizumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011590MB7HU IL13 (Anrukinzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004943MB3HU CD52 (Gatralimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA890691MB1HU STEAP1 (Vandortuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004888MB12HU CD19 (Coltuximab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA005166MB1HU CEACAM6 (Tinurilimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA007765MB8HU ERBB3 (Patritumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004936MB25HU CD40 (Teneliximab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011087MB13HU IGF1R (Dalotuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA010958MB1HU ICOSLG (Prezalumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA001950MB16HU APP (Solanezumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004954MB5HU CD70 (Vorsetuzumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA023446MB3HU TGFB1 (Metelimumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA004935MB9HU CD4 (Clenoliximab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA011087MB12HU IGF1R (Figitumumab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA006045MB5HU CSF2 (Otilimab Biosimilar) Recombinant Monoclonal Antibody
CSB-RA159341MB17HU EGFR (Zalutumumab Biosimilar) Recombinant Monoclonal Antibody

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