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Why Choose Click Chemistry?

Discover the unique advantages that make Click Chemistry an essential tool for bioconjugation reactions.

PropertyValue
High SpecificityHighly specific reactions, even in complex biological environments
Rapid Reaction KineticsFast, efficient reactions
High Yield and PurityNear-quantitative yields with minimal by-products
Mild, Biocompatible ConditionsCompatibility with biological systems with gentle reaction conditions
ModularityModular components allow incorporation of diverse functional groups into molecules to meet application requirements
Scalable ReactionsScalable reactions with reproducible results at both small and large scales
SolubilityCompatible with both aqueous and organic solvents enabling reactions in a wide range of experimental conditions.

Choosing a Click Chemistry Solution:

FeatureCuAAC
Copper-Catalyzed Azide-­Alkyne Cy­cload­di­tion
SPAAC
Strain-Promoted Azide-­Alkyne Cy­cload­di­tion
Tetrazine-TCO Ligation
Reaction PartnersAzide and terminal alkyneAzide and DBCO (cyclooctyne)Tetrazine and trans-cyclooctene (TCO)
Reaction KineticsFastModerateExtremely fast
Catalyst Re­quire­mentRequires a copper catalyst (Cu(I)). Accelerating copper-chelating ligands improve efficiency & cytotoxicityNo catalyst required (copper-free)No catalyst required (copper-free)
Bio­com­pat­ibilityLimitedHighly bio­com­patible, ideal for in vivo applicationsHighly bio­com­patible, ideal for in vivo applications
CytotoxicityCan be cytotoxic due to copperNon-toxic (no copper catalyst)Non-toxic (no copper catalyst)
Reaction YieldHigh yield and efficiency in vitroHigh yields but slower to reach completion than Tetrazine-TCOHigh yields, very efficient
Reactant Con­cen­tra­tionsTypically requires micromolar Con­cen­tra­tions of both azide and alkyne, along with a copper catalyst, to achieve efficient yields.Can function at micromolar to millimolar Con­cen­tra­tions, but lower Con­cen­tra­tions slow the reaction rate.Highly efficient at nanomolar to micromolar Con­cen­tra­tions of both tetrazine and TCO.
Key AdvantageWell-established, efficient, and high-yielding in vitroCopper-free, bioorthogonal and suitable with mild biological conditionsFastest click reaction, bioorthogonal, ideal for applications requiring rapid kinetics
 More Info about CuAACMore Info about SPAACMore Info about TCO/Tetrazine

provide complete, ready-to-use solutions for researchers looking to simplify and accelerate their click chemistry experiments:

  • Click-&-Go® Enrichment Kits, allowing for the efficient capture of azide- or alkyne-labeled proteins using agarose resins for downstream mass spectrometry or proteomics.
  • Click-&-Go® Plus OPP Protein Synthesis Assay, enabling fast and sensitive detection of nascent proteins through fluorescence imaging.
  • Click-&-Go® IsoTaG Kits, empowering intact glycopeptide profiling on azide- or alkyne-modified glycopeptides
  • Click-&-Go® Fluorescent Imaging Kits, labeling alkyne-labeled molecules with fluorescent dyes.
  • Click-&-Go® Reaction Buffer Kits, performing click chemistry reactions in cell-based or biochemical assays.

making it the ideal choice for scientists across drug development, biological research, materials science, and environmental sensing. With its variety of options, click chemistry enables safe and efficient reactions in living systems and synthetic environments alike. Vector’s comprehensive portfolio of click chemistry reagents provides researchers with reliable, high-quality solutions designed to streamline workflows and deliver consistent, reproducible results across a wide range of applications.

Get in touch with us at
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to take the next step in your bioconjugate journey.

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