Date published: 2026-4-5

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CA IX Antibody (H-11): sc-365900

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Datasheets
  • CA IX Antibody (H-11) is a mouse monoclonal IgG2a κ CA IX antibody, cited in 26 publications, provided at 200 µg/ml
  • raised against amino acids 41-160 of CA IX of human origin
  • CA IX Antibody (H-11) is recommended for detection of CA IX of human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-CA IX Antibody (H-11) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to biotin for WB, IHC(P) and ELISA
  • m-IgG Fc BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for CA IX Antibody (H-11) for WB and IHC(P) applications. These reagents are now offered in bundles with CA IX Antibody (H-11) (see ordering information below).
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CA IX Antibody (H-11) is a mouse monoclonal IgG2a kappa light chain antibody that detects CA IX protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Anti-CA IX antibody (H-11) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. CA IX (H-11) antibody recognizes a member of the carbonic anhydrase family that plays a crucial role in regulating pH and facilitating the transport of carbon dioxide and bicarbonate across cell membranes, which is vital for maintaining acid-base balance in tissues. CA IX protein is particularly important in tumor biology, as CA IX expression increases in hypoxic conditions commonly found in solid tumors, such as clear-cell renal carcinomas. CA IX expression patterns serve as potential biomarkers for cancer diagnosis and prognosis while highlighting a role in tumor progression and adaptation to the tumor microenvironment. Understanding CA IX function and regulation can provide insights into therapeutic strategies targeting tumor metabolism and hypoxia.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

CA IX Antibody (H-11) References:

  1. Human carbonic anhydrase XIV (CA14): cDNA cloning, mRNA expression, and mapping to chromosome 1.  |  Fujikawa-Adachi, K., et al. 1999. Genomics. 61: 74-81. PMID: 10512682
  2. Human carbonic anhydrase IV: cDNA cloning, sequence comparison, and expression in COS cell membranes.  |  Okuyama, T., et al. 1992. Proc Natl Acad Sci U S A. 89: 1315-9. PMID: 1311094
  3. Carbonic anhydrase II deficiency syndrome in a Belgian family is caused by a point mutation at an invariant histidine residue (107 His----Tyr): complete structure of the normal human CA II gene.  |  Venta, PJ., et al. 1991. Am J Hum Genet. 49: 1082-90. PMID: 1928091
  4. The use of CA-IX as a diagnostic method for oral leukoplakia.  |  Pérez-Sayáns, M., et al. 2015. Biotech Histochem. 90: 124-31. PMID: 25297562
  5. CA IX stratification based on cancer treatment: a patent evaluation of US2016/0002350.  |  Supuran, CT. 2016. Expert Opin Ther Pat. 26: 1105-1109. PMID: 27575256
  6. Inhibitors of CA IX Enzyme Based on Polyhedral Boron Compounds.  |  Kugler, M., et al. 2021. Chembiochem. 22: 2741-2761. PMID: 33939874
  7. Expression and prognostic value of carbonic anhydrase IX (CA-IX) in bladder urothelial carcinoma.  |  Xiang, AP., et al. 2022. BMC Urol. 22: 120. PMID: 35922856
  8. CA-IX-Expressing Small Extracellular Vesicles (sEVs) Are Released by Melanoma Cells under Hypoxia and in the Blood of Advanced Melanoma Patients.  |  Venturella, M., et al. 2023. Int J Mol Sci. 24: PMID: 37047096
  9. Human carbonic anhydrases and carbonic anhydrase deficiencies.  |  Sly, WS. and Hu, PY. 1995. Annu Rev Biochem. 64: 375-401. PMID: 7574487
  10. Down-regulation of transmembrane carbonic anhydrases in renal cell carcinoma cell lines by wild-type von Hippel-Lindau transgenes.  |  Ivanov, SV., et al. 1998. Proc Natl Acad Sci U S A. 95: 12596-601. PMID: 9770531

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CA IX Antibody (H-11)

sc-365900
200 µg/ml
$322.00

CA IX Antibody (H-11): m-IgG Fc BP-HRP Bundle

sc-529503
200 µg Ab; 10 µg BP
$361.00

CA IX Antibody (H-11): m-IgGκ BP-HRP Bundle

sc-522413
200 µg Ab, 40 µg BP
$361.00

CA IX Antibody (H-11) AC

sc-365900 AC
500 µg/ml, 25% agarose
$424.00

CA IX Antibody (H-11) HRP

sc-365900 HRP
200 µg/ml
$322.00

CA IX Antibody (H-11) FITC

sc-365900 FITC
200 µg/ml
$336.00

CA IX Antibody (H-11) PE

sc-365900 PE
200 µg/ml
$349.00

CA IX Antibody (H-11) Alexa Fluor® 488

sc-365900 AF488
200 µg/ml
$364.00

CA IX Antibody (H-11) Alexa Fluor® 546

sc-365900 AF546
200 µg/ml
$364.00

CA IX Antibody (H-11) Alexa Fluor® 594

sc-365900 AF594
200 µg/ml
$364.00

CA IX Antibody (H-11) Alexa Fluor® 647

sc-365900 AF647
200 µg/ml
$364.00

CA IX Antibody (H-11) Alexa Fluor® 680

sc-365900 AF680
200 µg/ml
$364.00

CA IX Antibody (H-11) Alexa Fluor® 790

sc-365900 AF790
200 µg/ml
$364.00

CA IX Antibody (H-11) B

sc-365900 B
200 µg/ml
$326.00

In your description, you write that H-11 was "raised against amino acids 41-160 of CA IX of human origin". Do you have a more precise binding epitope for this antibody?

Asked by: Sam P
Thank you for your question . The epitope range is 41-160. We are unable to provide a more precise epitope.
Answered by: BlakeJ
Date published: 2023-03-21

Hi, Is this antibody suitable for flow cytometry?

Asked by: Mark B
Thank you for your question. The conjugated primary antibody is recommended and warrantied for flow cytometry (FCM), however we are still gathering data to show on our website. Check back for updates!
Answered by: Technical Support
Date published: 2020-05-22

What is the total volume provided of CA IX (H-11):sc-365900 monoclonal antibody?

Asked by: jenni
Thank you for your question. This antibody is provided as 200 µg in 1 ml total volume of PBS with < 0.1% sodium azide and 0.1% gelatin.
Answered by: Technical Support 7
Date published: 2017-01-13

Can CA IX (H-11): sc-365900 monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

Asked by: jenni
Thank you for your question. Yes, CA IX (H-11): sc-365900 has been validated for use in IHC with paraffin-embedded sections. We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support 7
Date published: 2017-01-13
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Rated 5 out of 5 by from Very good in WBThe antibody was tested in lysates of lung cancer cells and gave a nice clean doublet at the expected molecular weight.
Date published: 2023-01-30
Rated 5 out of 5 by from ExcellentClean, strong band. Right molecular weight. Induced by hypoxia.
Date published: 2018-04-06
Rated 4 out of 5 by from very goodI used this antibody in confocal analysis without permeabilization 1:100 dilution in DU 145 cell line
Date published: 2017-12-15
Rated 1 out of 5 by from Not detecting mouse CA9 in IFNot detecting mouse CA9 in IF of paraffin fixed tissue
Date published: 2017-12-12
Rated 5 out of 5 by from 很好用B淋巴细胞,按说明书稀释,条带清晰,位置与预测大小一致。。。。。。。。。。。。。。。。。。。。。。。。
Date published: 2017-10-10
Rated 5 out of 5 by from Superb !!Very clear western data; also strong IHC staining!
Date published: 2017-01-20
Rated 5 out of 5 by from Good IHC and IF stainingThis CA IX antibody shows good results for IHC in human tissue samples.
Date published: 2017-01-12
Rated 5 out of 5 by from Positive signal in WB in human stomach tissuePositive signal in WB in human stomach tissue extract. -SCBT QC
Date published: 2015-05-15
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CA IX Antibody (H-11) is rated 4.5 out of 5 by 10.
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