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CD21 Antibodies

(Complement Component (3d/Epstein Barr Virus) Receptor 2 (CR2))

Choose one of 306 CD21 antibodies from our product listing based on 21 publications and 93 validation images.

Explore reliable CD21 antibodies from a broad selection of renowned manufacturers. Our portfolio enables accurate CD21 detection across multiple species, including Human, Mouse, Pig, Cow, Rat, Dog, Goat, Sheep, African buffalo (Syncerus caffer), Horse, Cat, Monkey, Mule deer (Odocoileus hemionus), Red Deer, and supports diverse research applications such as FACS, IHC, WB, ELISA, IF.

Quickly find the right antibody using our search, filter, and comparison tools. Each product page provides detailed validation data, literature references, and customer feedback. Unlike comparison-only resources, you can conveniently purchase antibodies directly through our site. Choose from polyclonal, monoclonal, or recombinant CD21 antibodies derived from various hosts such as Mouse, Rabbit, Human. Browse our products below and order directly to support your research with confidence.

Alternative names for CD21 are CR2, Cr2, CR1.

Active filters:

  • Target: CD21 (CR2)
  • Primary
Catalog no. Product Reactivity Host / Clonality Application Price & lead time
ABIN3181130
CD21 antibody CR2 · Primary Antibody Human, Mouse, Rat Mouse Monoclonal Clone 2C5
  • IHC (Immunohistochemistry: Validation image available)
$413.63 View price
  • 100 μL
  • 50 μL
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN7439927
CD21 antibody (AA 463-665) CR2 · Primary Antibody Mouse Rabbit Polyclonal
  • WB (Western Blotting: Validation image available)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • ICC (Immunocytochemistry: Listed application)
$308.12 View price
  • 100 μL
  • 1 mL
  • 20 μL
  • 200 μL
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN888930
CD21 antibody (AA 981-1092) (AbBy Fluor® 647) CR2 · Primary Antibody Human Rabbit Polyclonal
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Listed application)
$458.46 View price
  • 100 μL
Delivery in 16 to 20 Business Days Shipping to: United States
ABIN1858487
CD21 antibody (AA 729-957) CR2 · Primary Antibody Human Rabbit Polyclonal
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • FACS (Flow Cytometry: Listed application)
$221.00 View price
  • 100 μL
  • 20 μL
  • 200 μL
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN5536956
CD21 antibody (C-Term) CR2 · Primary Antibody Human Rabbit Polyclonal
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
$680.63 View price
  • 400 μL
Delivery in 2 to 4 Business Days Shipping to: United States
ABIN7567304
CD21 antibody CR2 · Primary Antibody Mouse Mouse Monoclonal Clone 7G6
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
  • IP (Immunoprecipitation: Listed application)
$357.68 View price
  • 100 μg
Delivery in 12 to 15 Business Days Shipping to: United States
ABIN7857621
Recombinant CD21 antibody (AA 100-300) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-9537
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6937024
CD21 antibody (AA 44-196) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-1952
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6937023
Recombinant CD21 antibody (AA 44-196) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-1952
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6937026
CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-2754
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7126254
Recombinant CD21 antibody (C-Term) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-3990R
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6937028
Recombinant CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-3124R
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN6937027
CD21 antibody (AA 142-240) CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-3247
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7858426
Recombinant CD21 antibody (AA 1-200) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-8880R
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7865157
Recombinant CD21 antibody (AA 100-300) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-9537
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7862665
Recombinant CD21 antibody (C-Term) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-3990R
  • IHC (Immunohistochemistry: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7864917
Recombinant CD21 antibody (AA 1-200) CR2 · Primary Antibody Human Rabbit Monoclonal Clone CR2-8880R
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7863936
CD21 antibody CR2 · Primary Antibody Human Mouse Monoclonal Clone CR2-6683
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7863970
CD21 antibody (AA 900-1033) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-6964
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
$640.46 View price
  • 100 μg
  • 20 μg
Delivery in 2 to 5 Business Days Shipping to: United States
ABIN7860650
CD21 antibody (AA 900-1033) CR2 · Primary Antibody Human Mouse Monoclonal Clone rCR2-6964
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
$640.46 View price
  • 100 μg
Delivery in 2 to 5 Business Days Shipping to: United States
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
Reactivity
Human, Mouse, Rat
Host
Mouse
Clonality
Monoclonal
Clone
2C5
Conjugate
unconjugated
Isotype
IgG1
Catalog No. ABIN3181130
$413.63
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • WB (Western Blotting: Validation image available)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • ICC (Immunocytochemistry: Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 463-665
Catalog No. ABIN7439927
$308.12
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
AbBy Fluor® 647
Isotype
IgG
Binding Specificity
AA 981-1092
Catalog No. ABIN888930
$458.46
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 16 to 20 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 729-957
Catalog No. ABIN1858487
$221.00
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Validation image available)
  • WB (Western Blotting: Validation image available)
  • IHC (Immunohistochemistry: Validation image available)
  • IHC (p) (Immunohistochemistry (Paraffin-embedded Sections): Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
Ig Fraction
Binding Specificity
AA 986-1014, C-Term
Catalog No. ABIN5536956
$680.63
Plus shipping costs $50.00
400 μL
Shipping to: United States
Delivery in 2 to 4 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
  • IP (Immunoprecipitation: Listed application)
Reactivity
Mouse
Host
Mouse
Clonality
Monoclonal
Clone
7G6
Conjugate
unconjugated
Isotype
IgG2a, kappa
Catalog No. ABIN7567304
$357.68
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 12 to 15 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-9537
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG2b, kappa
Binding Specificity
AA 100-300
Catalog No. ABIN7857621
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-1952
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 44-196
Catalog No. ABIN6937024
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-1952
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG1, kappa
Binding Specificity
AA 44-196
Catalog No. ABIN6937023
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-2754
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6937026
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-3990R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
C-Term
Catalog No. ABIN7126254
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • IF (Immunofluorescence: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-3124R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6937028
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-3247
Conjugate
unconjugated
Isotype
IgG2b, kappa
Binding Specificity
AA 142-240
Catalog No. ABIN6937027
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-8880R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
AA 1-200
Catalog No. ABIN7858426
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-9537
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG2b, kappa
Binding Specificity
AA 100-300
Catalog No. ABIN7865157
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-3990R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
C-Term
Catalog No. ABIN7862665
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Monoclonal
Clone
CR2-8880R
Conjugate
unconjugated
Protein Type
Recombinant Antibody
Isotype
IgG, kappa
Binding Specificity
AA 1-200
Catalog No. ABIN7864917
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
CR2-6683
Conjugate
unconjugated
Isotype
IgG2a, kappa
Catalog No. ABIN7863936
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-6964
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 900-1033
Catalog No. ABIN7863970
$640.46
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 2 to 5 Business Days
Primary Antibody
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
rCR2-6964
Conjugate
unconjugated
Isotype
IgG1, kappa
Binding Specificity
AA 900-1033
Catalog No. ABIN7860650
$640.46
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 2 to 5 Business Days

Latest Publications for our CD21 Antibodies

Kulka, Brennan, Mc Gee: "Investigation of canine extracellular vesicles in diffuse large B-cell lymphomas." in: PloS one, Vol. 17, Issue 9, pp. e0274261, (2022) (PubMed).

Li, Bu, Gabriel, Aguilar, Hoshino, Miyadera, Hess, Hornung, Roy, Cohen: "HLA-DQβ1 alleles associated with Epstein-Barr virus (EBV) infectivity and EBV gp42 binding to cells." in: JCI insight, Vol. 2, Issue 4, pp. e85687, (2017) (PubMed).

John-Schuster, Günter, Hager, Conlon, Eickelberg, Yildirim: "Inflammaging increases susceptibility to cigarette smoke-induced COPD." in: Oncotarget, Vol. 7, Issue 21, pp. 30068-83, (2016) (PubMed).

Sinkora, Butler, Lager, Potockova, Sinkorova: "The comparative profile of lymphoid cells and the T and B cell spectratype of germ-free piglets infected with viruses SIV, PRRSV or PCV2." in: Veterinary research, Vol. 45, pp. 91, (2014) (PubMed).

Avanzi, Leoni, Rotola, Alviano, Solimando, Lanzoni, Bonsi, Di Luca, Marchionni, Alvisi, Ripalti: "Susceptibility of human placenta derived mesenchymal stromal/stem cells to human herpesviruses infection." in: PLoS ONE, Vol. 8, Issue 8, pp. e71412, (2013) (PubMed).

Sinkora, Stepanova, Sinkorova: "Different anti-CD21 antibodies can be used to discriminate developmentally and functionally different subsets of B lymphocytes in circulation of pigs." in: Developmental and comparative immunology, Vol. 39, Issue 4, pp. 409-18, (2013) (PubMed).

Tenaya, Heel, Stumbles, Wilcox: "Flow cytometric analysis of lymphocyte subset kinetics in Bali cattle experimentally infected with Jembrana disease virus." in: Veterinary immunology and immunopathology, Vol. 149, Issue 3-4, pp. 167-76, (2012) (PubMed).

Notley, Brown, Wright, Ehrenstein: "Natural IgM is required for suppression of inflammatory arthritis by apoptotic cells." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 186, Issue 8, pp. 4967-72, (2011) (PubMed).

Kelten, Kabukcu, Sen, Teke, Yaren, Erdem, Duzcan: "Secondary involvement of the breast in T-cell non-Hodgkin lymphoma, an unusual example mimicking inflammatory breast carcinoma." in: Archives of gynecology and obstetrics, Vol. 280, Issue 1, pp. 149-52, (2009) (PubMed).

Singh, Blank, Shoenfeld, Illges: "Antiphospholipid syndrome patients display reduced titers of soluble CD21 in their sera irrespective of circulating anti-beta2-glycoprotein-I autoantibodies." in: Rheumatology international, Vol. 28, Issue 7, pp. 661-5, (2008) (PubMed).

Aliases for CD21 Antibodies

complement C3d receptor 2 (CR2) Antibodies
complement C3d receptor 2 (Cr2) Antibodies
complement C3b/C4b receptor 1 (Knops blood group) (CR1) Antibodies
C3DR Antibodies
CD21 Antibodies
Cd21 Antibodies
cd21 Antibodies
CR Antibodies
CR1 Antibodies
CR1-L Antibodies
CR2 Antibodies
CVID7 Antibodies
SLEB9 Antibodies
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