Date published: 2026-4-4

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anti-Cy3 Antibody (A-6): sc-166894

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Datasheets
  • anti-Cy3 Antibody (A-6) is a mouse monoclonal IgG1 κ anti-Cy3 antibody, cited in 11 publications, provided at 200 µg/ml
  • anti-Cy3 Antibody (A-6) is recommended for detection of Cy3 by WB, IP, IF and ELISA
  • anti-Cy3 Antibody (A-6) 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
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for anti-Cy3 Antibody (A-6). This work is in progress.
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Anti-Cy3 Antibody (A-6) is a mouse monoclonal IgG1 kappa light chain antibody that detects Cy3 protein in non-species reactive applications through western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Anti-Cy3 antibody (A-6) 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, providing versatility for different experimental needs. Cy3 protein is part of the cyanine dye family, which is crucial in biomedical imaging due to its ability to emit fluorescence across a wide spectrum, from infrared to ultraviolet. This property allows researchers to visualize and track biological processes with high sensitivity and specificity. The structural characteristics of cyanine dyes, including their partially saturated indole nitrogen heterocyclic nucleus and the polyalkene bridge, contribute to unique optical properties, making these dyes invaluable tools in various applications, such as enhancing the sensitivity of photographic emulsions and facilitating advanced imaging techniques. Anti-Cy3 antibody (A-6) can be utilized in a linker system to bind cyanine dyes, enabling the development of activity-based probes that target specific enzymes at their active sites, thereby expanding the potential for innovative research applications.

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

anti-Cy3 Antibody (A-6) References:

  1. Verification of specific G-quadruplex structure by using a novel cyanine dye supramolecular assembly: II. The binding characterization with specific intramolecular G-quadruplex and the recognizing mechanism.  |  Yang, Q., et al. 2010. Nucleic Acids Res. 38: 1022-33. PMID: 19933263
  2. Synthesis and spectroscopic and DNA-binding properties of fluorogenic acridine-containing cyanine dyes.  |  Mahmood, T., et al. 2010. J Org Chem. 75: 204-7. PMID: 19954141
  3. Fluorescence lifetime properties of near-infrared cyanine dyes in relation to their structures.  |  Lee, H., et al. 2008. J Photochem Photobiol A Chem. 200: 438-444. PMID: 20016664
  4. Fast assembly of cyanine dyes into aggregates onto [6,6]-phenyl C61-butyric acid methyl ester surfaces from organic solvents.  |  Heier, J., et al. 2010. Langmuir. 26: 3955-61. PMID: 20073528
  5. Electronic and vibrational coherence dynamics in a cyanine dye studied using a few-cycle pulsed laser.  |  Wang, Y. and Kobayashi, T. 2010. Chemphyschem. 11: 889-96. PMID: 20135666
  6. Perylene-Cy3 FRET System to Analyze Photoactive DNA Structures.  |  Kawai, H., et al. 2021. Chemistry. 27: 12845-12850. PMID: 34269491
  7. Cy3-RgIA-5727 Labels and Inhibits α9-Containing nAChRs of Cochlear Hair Cells.  |  Fisher, F., et al. 2021. Front Cell Neurosci. 15: 697560. PMID: 34385908
  8. Cy3-ATP labeling of unfixed, permeabilized mouse hair cells.  |  Pacentine, IV. and Barr-Gillespie, PG. 2021. Sci Rep. 11: 23855. PMID: 34903829
  9. Sequence-dependence of Cy3 and Cy5 dyes in 3' terminally-labeled single-stranded DNA.  |  Kekić, T. and Lietard, J. 2022. Sci Rep. 12: 14803. PMID: 36045146
  10. Cy3 Cyanine Dye with Strong Fluorescence Enhancement for AGRO100 and Its Derivative.  |  Ma, X., et al. 2023. J Phys Chem B. 127: 1811-1818. PMID: 36802619
  11. Detecting RNA-Protein Interactions With EGFP-Cy3 FRET by Acceptor Photobleaching.  |  Alam, SR., et al. 2023. Curr Protoc. 3: e689. PMID: 36821783
  12. Evaluation of bioorthogonally applicable tetrazine-Cy3 probes for fluorogenic labeling schemes.  |  Albitz, E., et al. 2023. Org Biomol Chem. 21: 7358-7366. PMID: 37646224

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

anti-Cy3 Antibody (A-6)

sc-166894
200 µg/ml
$322.00

anti-Cy3 Antibody (A-6) AC

sc-166894 AC
500 µg/ml, 25% agarose
$424.00

anti-Cy3 Antibody (A-6) HRP

sc-166894 HRP
200 µg/ml
$322.00

anti-Cy3 Antibody (A-6) FITC

sc-166894 FITC
200 µg/ml
$336.00

anti-Cy3 Antibody (A-6) PE

sc-166894 PE
200 µg/ml
$349.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 488

sc-166894 AF488
200 µg/ml
$364.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 546

sc-166894 AF546
200 µg/ml
$364.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 594

sc-166894 AF594
200 µg/ml
$364.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 647

sc-166894 AF647
200 µg/ml
$364.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 680

sc-166894 AF680
200 µg/ml
$364.00

anti-Cy3 Antibody (A-6) Alexa Fluor® 790

sc-166894 AF790
200 µg/ml
$364.00

What is the MW and the amino acid sequence?

Asked by: FA22
Thank you for your question. Cy3 is a fluorescent dye with a molecular weight of approximately 765–770 g/mol, making it unfeasible to detect on its own in western blots. Cy3 is intended to be used as a means of detection for fusion proteins. Since Cy3 itself is not a protein, it does not have an amino acid sequence.
Answered by: Tech Support Europe
Date published: 2025-05-09

For western blotting, can this antibody recognize heat-denatured samples? or Does Cy3 have stable antigenicity after heat treatment?

Asked by: ampk
Thank you for your question. Anti-anti-Cy3 Antibody (A-6): sc-166894 recognises Cy3 in WB, IP, IF and ELISA in both its native and denatured states.
Answered by: Tech Support Europe
Date published: 2022-05-30

Can I use this cy3 antibody in mouse tissue for cy3-siRNA detection?

Asked by: tgao
Yes this could be used for this application.
Answered by: Dallas Tech Service
Date published: 2021-04-07

What is the incubation time for ICC detection of conjugated anti cy3-PE antibody? Does it need to be done overnight or can it be done for a couple of hours at room temperature? 

Asked by: sgopal
Thank you for your question. It should be fine with either one! I would suggest trying a a few hours at room temperature first, and then if no signal is seen, I would suggest trying overnight. Please contact Technical Support if you have any further question, you can reach us by email at europe@scbt.com or directly via chat on our website, www.scbt.com.
Answered by: Tech Service
Date published: 2017-11-21

Will this antibody detect Cy3.5? If not, is there another antibody that will?

Asked by: Cherie220
Thank you for your question. Unfortunately we have not tested the reactivity to Cy3.5, so we do not have that information. We do not have one that we are aware can pick up the Cy3.5 protein. Please contact our Technical Service Department by phone, e-mail or live chat. We are happy to help you troubleshoot the antibody.
Answered by: Tech Service
Date published: 2017-06-07

how specific is this antibody. Will it cross react with other cyanine dyes such as cy5? Thank you

Asked by: Enosh
Thank you for your question. This mouse monoclonal anti-Cy3 Antibody (A-6): sc-166894 is specific for Cy3 and will not cross-react with Cy5.
Answered by: Technical Support
Date published: 2017-05-23

have you tested the anti-Cy3 Antibody (A-6) Alexa Fluor® 647? does this anti-cy3 antibody itself quench the cy3 colour?

Asked by: Jacky li
Thank you for your question. We have not yet tested our anti-Cy3 Antibody (A-6): sc-166894 Alexa Fluor® 647 conjugate for IF, IHC(P) or FCM. We do not know whether or not the anti-Cy3 antibody will quench the Cy3 color.
Answered by: Technical Support
Date published: 2017-03-01

What is the recommended secondary reagent to be used with this mouse monoclonal primary?

Asked by: jerojero
We recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Tech Service 3
Date published: 2017-01-27
  • y_2026, m_3, d_25, h_11CST
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Rated 5 out of 5 by from Works quite wellI bought this product one month ago and it works quite well.
Date published: 2017-10-02
Rated 5 out of 5 by from works as expectedRecommended for detection nof Cy3 via Western Blotting.
Date published: 2017-01-10
Rated 5 out of 5 by from Good Western blot data of Cy3 in Cy3Good Western blot data of Cy3 in Cy3-conjugated BSA. -SCBT QC
Date published: 2014-06-12
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anti-Cy3 Antibody (A-6) is rated 5.0 out of 5 by 3.
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