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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
ABIN1971087
CD21 antibody (AA 986-1014) (FITC) CR2 · Primary Antibody Human Rabbit Polyclonal
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
$1,480.60 View price
  • 200 μL
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN217845
CD21 antibody (FITC) CR2 · Primary Antibody Pig Mouse Monoclonal
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$1,106.60 View price
  • 500 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN217844
CD21 antibody CR2 · Primary Antibody Pig Mouse Monoclonal
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$1,031.80 View price
  • 500 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN207732
CD21 antibody (PE) CR2 · Primary Antibody Pig Mouse Monoclonal
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
$867.53 View price
  • 100 μg
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN8063672
CD21 antibody CR2 · Primary Antibody Human Mouse Monoclonal Clone BU32
  • FACS (Flow Cytometry: Listed application)
$147.66 View price
  • 100 μg
  • 1 mg
  • 5 mg
  • 25 μg
  • 25 mg
  • 50 mg
  • 100 mg
Delivery in 17 to 22 Business Days Shipping to: United States
ABIN7457737
CD21 antibody (PerCP-Cy5.5) CR2 · Primary Antibody Human Mouse Monoclonal Clone BU32
  • FACS (Flow Cytometry: Listed application)
$171.20 View price
  • 20 tests
Delivery in 17 to 22 Business Days Shipping to: United States
ABIN7537005
CD21 antibody (APC) CR2 · Primary Antibody Human Mouse Monoclonal Clone HI21a
  • FACS (Flow Cytometry: Listed application)
$258.94 View price
  • 100 tests
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN7537007
CD21 antibody (PerCP-Cy5.5) CR2 · Primary Antibody Human Mouse Monoclonal Clone HI21a
  • FACS (Flow Cytometry: Listed application)
$361.66 View price
  • 100 tests
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN7537006
CD21 antibody (PE-Cy5) CR2 · Primary Antibody Human Mouse Monoclonal Clone HI21a
  • FACS (Flow Cytometry: Listed application)
$288.90 View price
  • 100 tests
Delivery in 11 to 15 Business Days Shipping to: United States
ABIN7457506
CD21 antibody (PE-Cy7) CR2 · Primary Antibody Human Mouse Monoclonal Clone BU32
  • FACS (Flow Cytometry: Listed application)
$155.15 View price
  • 20 tests
Delivery in 17 to 22 Business Days Shipping to: United States
ABIN7457231
CD21 antibody (PE-Cy5) CR2 · Primary Antibody Human Mouse Monoclonal Clone BU32
  • FACS (Flow Cytometry: Listed application)
$176.55 View price
  • 20 tests
Delivery in 17 to 22 Business Days Shipping to: United States
ABIN7456639
CD21 antibody (Biotin) CR2 · Primary Antibody Human Mouse Monoclonal Clone BU32
  • FACS (Flow Cytometry: Listed application)
$117.70 View price
  • 25 μg
Delivery in 17 to 22 Business Days Shipping to: United States
ABIN7177122
CD21 antibody (AA 729-963) (Biotin) CR2 · Primary Antibody Mouse Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7148415
CD21 antibody (AA 761-964) (FITC) CR2 · Primary Antibody Human Rabbit Polyclonal
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7148416
CD21 antibody (AA 761-964) (HRP) CR2 · Primary Antibody Human Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7177121
CD21 antibody (AA 729-963) CR2 · Primary Antibody Mouse Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7177124
CD21 antibody (AA 729-963) (HRP) CR2 · Primary Antibody Mouse Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7177123
CD21 antibody (AA 729-963) (FITC) CR2 · Primary Antibody Mouse Rabbit Polyclonal
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7148414
CD21 antibody (AA 761-964) (Biotin) CR2 · Primary Antibody Human Rabbit Polyclonal
  • ELISA (ELISA: Listed application)
$351.92 View price
  • 100 μg
  • 50 μg
Delivery in 13 to 17 Business Days Shipping to: United States
ABIN7451429
CD21 antibody (AA 650-700) CR2 · Primary Antibody Human Rabbit Polyclonal
  • IP (Immunoprecipitation: Listed application)
$538.15 View price
  • 100 μg
  • 10 μg
Delivery in 3 to 5 Business Days Shipping to: United States
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • WB (Western Blotting: Listed application)
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
FITC
Isotype
IgG
Binding Specificity
AA 986-1014
Catalog No. ABIN1971087
$1,480.60
Plus shipping costs $50.00
200 μL
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Pig
Host
Mouse
Clonality
Monoclonal
Conjugate
FITC
Isotype
IgG1 kappa
Catalog No. ABIN217845
$1,106.60
Plus shipping costs $50.00
500 μg
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Pig
Host
Mouse
Clonality
Monoclonal
Conjugate
unconjugated
Isotype
IgG1 kappa
Catalog No. ABIN217844
$1,031.80
Plus shipping costs $50.00
500 μg
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
  • IHC (Immunohistochemistry: Listed application)
  • IP (Immunoprecipitation: Listed application)
  • IHC (fro) (Immunohistochemistry (Frozen Sections): Listed application)
Reactivity
Pig
Host
Mouse
Clonality
Monoclonal
Conjugate
PE
Isotype
IgG1 kappa
Catalog No. ABIN207732
$867.53
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
BU32
Conjugate
unconjugated
Isotype
IgG1, kappa
Catalog No. ABIN8063672
$147.66
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 17 to 22 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
BU32
Conjugate
PerCP-Cy5.5
Isotype
IgG1, kappa
Catalog No. ABIN7457737
$171.20
Plus shipping costs $50.00
20 tests
Shipping to: United States
Delivery in 17 to 22 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
HI21a
Conjugate
APC
Isotype
IgG2a, kappa
Catalog No. ABIN7537005
$258.94
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
HI21a
Conjugate
PerCP-Cy5.5
Isotype
IgG2a, kappa
Catalog No. ABIN7537007
$361.66
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
HI21a
Conjugate
PE-Cy5
Isotype
IgG2a, kappa
Catalog No. ABIN7537006
$288.90
Plus shipping costs $50.00
100 tests
Shipping to: United States
Delivery in 11 to 15 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
BU32
Conjugate
PE-Cy7
Isotype
IgG1, kappa
Catalog No. ABIN7457506
$155.15
Plus shipping costs $50.00
20 tests
Shipping to: United States
Delivery in 17 to 22 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
BU32
Conjugate
PE-Cy5
Isotype
IgG1, kappa
Catalog No. ABIN7457231
$176.55
Plus shipping costs $50.00
20 tests
Shipping to: United States
Delivery in 17 to 22 Business Days
Primary Antibody
  • FACS (Flow Cytometry: Listed application)
Reactivity
Human
Host
Mouse
Clonality
Monoclonal
Clone
BU32
Conjugate
Biotin
Isotype
IgG1, kappa
Catalog No. ABIN7456639
$117.70
Plus shipping costs $50.00
25 μg
Shipping to: United States
Delivery in 17 to 22 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
Biotin
Isotype
IgG
Binding Specificity
AA 729-963
Catalog No. ABIN7177122
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
FITC
Isotype
IgG
Binding Specificity
AA 761-964
Catalog No. ABIN7148415
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
AA 761-964
Catalog No. ABIN7148416
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 729-963
Catalog No. ABIN7177121
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
HRP
Isotype
IgG
Binding Specificity
AA 729-963
Catalog No. ABIN7177124
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
Reactivity
Mouse
Host
Rabbit
Clonality
Polyclonal
Conjugate
FITC
Isotype
IgG
Binding Specificity
AA 729-963
Catalog No. ABIN7177123
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • ELISA (ELISA: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
Biotin
Isotype
IgG
Binding Specificity
AA 761-964
Catalog No. ABIN7148414
$351.92
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 13 to 17 Business Days
Primary Antibody
  • IP (Immunoprecipitation: Listed application)
Reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Conjugate
unconjugated
Isotype
IgG
Binding Specificity
AA 650-700
Catalog No. ABIN7451429
$538.15
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 3 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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