CD81 Antibodies

Find the right product for your experiment. Filter by application, check species reactivity, enquire directly with suppliers.

28 products from 4 suppliers, 1 RRID-verified.

The most cited CD81 antibody is Santa Cruz Biotechnology sc-166029 with 37 RRID-verified research citations.

Our pick for: WB in Rat
CD81 Antibody (B-11)
Santa Cruz BiotechnologyCat# sc-166029Clone: B-11
37citations
Applications
IFIPWB
Reactivity
RatMouseHuman
HostMouse
ClonalityMonoclonal
View on Santa Cruz BiotechnologyView RRID verification
CD81 Antibody
CUSABIOCat# CSB-PA004960NA01HU
Validated · ELISA, IHC
Applications
ELISAIHC
Reactivity
Human
HostRabbit
ClonalityPolyclonal
View datasheet on CUSABIO
CD81 Antibody
CUSABIOCat# CSB-PA005630
Validated · WB, ELISA
Applications
WBELISA
Reactivity
HumanMouseRat
HostRabbit
ClonalityPolyclonal
View datasheet on CUSABIO
CD81 Monoclonal Antibody
CUSABIOCat# CSB-MA004960A1mClone: 6B9F4B5
Validated · ELISA, FC
Applications
ELISAFC
Reactivity
Human
HostMouse
ClonalityMonoclonal
View datasheet on CUSABIO
CD81 Monoclonal Antibody
CUSABIOCat# CSB-MA0049601A0mClone: 2E11E5
Validated · ELISA, IHC
Applications
ELISAIHC
Reactivity
Human
HostMouse
ClonalityMonoclonal
View datasheet on CUSABIO
CD81 Recombinant Monoclonal Antibody
CUSABIOCat# CSB-RA004960A0HUClone: 9F7
Validated · ELISA, WB, IHC
Applications
ELISAWBIHCFC
Reactivity
HumanMouseRat
HostRabbit
ClonalityMonoclonal
View datasheet on CUSABIO
CD81 Recombinant Monoclonal Antibody
CUSABIOCat# CSB-RA004960MA1HUClone: 27H1
Validated · ELISA
Applications
ELISA
Reactivity
Human
Host
ClonalityMonoclonal
View datasheet on CUSABIO
Datasheet specs
Applications
FC
Reactivity
Human
HostRabbit
ClonalityMonoclonal
View datasheet on OriGene
Anti-CD81 Rabbit Monoclonal Antibody
BosterCat# M01281-1Clone: Clone: GAA-3
Datasheet specs
Applications
WBIHCICCIF
Reactivity
HumanMouseRat
HostRabbit
ClonalityMonoclonal
View datasheet on Boster

+ 19 more CD81 options from other suppliers.

Frequently Asked Questions

What is CD81?

CD81 molecule, also known as CD81, is a protein which in humans is encoded by the CD81 gene. It is also known as 26 kDa cell surface protein, TAPA-1, and Tetraspanin-28 (Tspan-28).

Source: Wikipedia

What diseases are associated with CD81?

CD81 has been associated with the regulation of cell development. The protein encoded by this gene is a member of the transmembrane 4 superfamily, also known as the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the pre

Source: NCBI Gene 975

Which CD81 antibody is most cited in research?

Millipore MAB4381 (Anti-TRA-1-81, clone TRA-1-81) with 185 RRID-verified research citations.

Source: Antibody Registry (RRID)

What applications are CD81 antibodies used for?

CD81 antibodies are commonly validated for IHC, IF, FC, WB, IP, ELISA. Application data is sourced from supplier specifications and verified through the Antibody Registry.

Source: Antibody Registry (RRID)

PubMed: CD81 antibodyAntibody Registry

Need a CD81 antibody?

RRID-verified. Application checked. We'll connect you with the right supplier.

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All products RRID-verified through the Antibody Registry. Application and species data from supplier specifications and published research. No paid placements.

Last updated: June 2026