SiteClick™ Alexa Fluor™ 488 sDIBO Alkyne

Catalog number:  S10909

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SiteClick labeled sDIBO alkynes for antibody labeling are optimized for easy attachment to azido modified antibodies using copper-free Click chemistry. This labeled sDIBO alkyne can be used with antibodies that have been modified using the SiteClick Antibody Azido Modification Kit or engineered to contain azido moieties. These labeled sDIBO alkynes are improved versions of our original DIBO cyclooctynes, yielding conjugates that are less "sticky" and that produce lower signal background in biological samples. This modular labeling system gives you the option to choose different fluorescent labels for your antibody and attach another molecule via streptavidin or your own molecule via amine-reactive or amine-containing moieties depending on your assay.

Learn more about SiteClick labeling technology ›

Custom SiteClick Antibody Labeling Service and sDIBO labels
If you have an antibody that is considered "difficult to label" or has lost activity after labeling using a conventional method, please contact our custom service representatives to determine whether the SiteClick Antibody Labeling Service would be right for your antibody. We offer complete custom SiteClick antibody labeling services with the option of multiple detection molecules including biotin, Alexa Fluor dyes, Qdot fluorophores, R-PE, chelates for PET imaging, and many others.

For Research Use Only. Not for use in diagnostic procedures.


Excitation⁄Emission (nm): 494⁄517
Label or Dye: Alexa Fluor™ 488
Labeling Scale: 5 mg
Labeling Target: Antibodies (General)
Product Line: Alexa Fluor™, SiteClick™
Product Size: for 5 mg of Ab
Shipping Condition: Wet Ice

Contents & storage

Store at 2–8°C. Do not freeze.


Manuals & protocols