Azide MegaStokes dye 735
Azide MegaStokes dye 735 (CAS: 1246853-82-6) is a fluorescent labelling reagent with the molecular formula C22H25N5O4S and a molecular weight of 455.53 g/mol. This compound exhibits specific fluorescence properties, with an excitation maximum of 586 nm and an emission maximum of 735 nm in ethanol. It is primarily utilised in biochemical research and chemical synthesis for creating fluorescently labelled probes and conjugates.
- IUPAC
- 1-(3-Azidopropyl)-4-{2-[6-(diethylamino)-2-benzofuranyl]ethenyl}-3-sulfo-pyridinium inner salt

Fluorescent Labelling
Azide MegaStokes dye 735 is used for the development of fluorescent probes and labels in biochemical and cell biology research. Its specific spectral properties allow for sensitive detection in various imaging and assay applications.
Chemical Biology Research
This dye serves as a valuable tool in chemical biology for investigating biological processes. It can be conjugated to biomolecules to enable tracking and visualisation within cellular environments.
Conjugation Chemistry
The azide functional group present in the molecule facilitates its use in conjugation chemistry, particularly in reactions with alkynes via click chemistry. This enables the efficient attachment to diverse molecular targets.
Fluorescent Probes and Particles
Azide MegaStokes dye 735 is employed in the creation of fluorescent particles and stains. These find applications in diagnostics, flow cytometry, and microscopy where high-resolution fluorescence detection is required.
| Molecular weight | 455.53 |
|---|---|
| Empirical formula | C22H25N5O4S |
| Storage temperature | −20°C |
| Fluorescence | λex 586 nm; λem 735 nm in ethanol |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Azide MegaStokes dye 735 used for?
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Azide MegaStokes dye 735 is used for fluorescent labelling in biochemical research, chemical biology studies, conjugation chemistry, and the development of fluorescent probes, labels, particles, and stains.
What is the CAS number and chemical formula for Azide MegaStokes dye 735?
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The CAS number is 1246853-82-6, and the chemical formula is C22H25N5O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a research grade chemical. We do not represent it as USP, BP, EP, or suitable for human or veterinary use.
What are the safety and handling precautions for Azide MegaStokes dye 735?
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This compound has a WGK Germany classification of 3, indicating it is hazardous to water. It should be handled with appropriate personal protective equipment in a well-ventilated area. Please consult the Safety Data Sheet (SDS) for comprehensive handling information.
How is Azide MegaStokes dye 735 shipped and exported?
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Azide MegaStokes dye 735 is carefully packaged and prepared for domestic and international export, adhering to all relevant shipping regulations for chemical substances.
How can I request a sample or quote for Azide MegaStokes dye 735?
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To request a sample or a quotation, please contact our sales department through the website or via email, providing your specific requirements.
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