Alkyne MegaStokes dye 608
Alkyne MegaStokes dye 608 (CAS: 1188292-56-9), a fluorophore with the molecular formula C34H40F6N3OP and a molecular weight of 651.67 g/mol. This compound exhibits fluorescence with an excitation maximum of 486 nm and an emission maximum of 608 nm in ethanol. It is suitable for various biochemical and chemical synthesis applications, including fluorescent labelling and probing, and conjugation chemistry utilizing alkyne functional groups.
- IUPAC
- 1-{3-{[4-(2-Cyclooctyn-1-ylmethyl)benzoyl]amino}propyl}-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium hexafluorophosphate

Fluorescent Labelling and Probing
Alkyne MegaStokes dye 608 can be employed as a fluorescent label for biomolecules or as a probe in biological systems due to its distinct excitation and emission wavelengths. Its alkyne functionality allows for further modification or conjugation.
Chemical Biology Research
This dye is valuable in chemical biology for imaging and detection applications. Its fluorescent properties enable visualisation of cellular processes or localisation of specific targets within complex biological matrices.
Conjugation Chemistry
The presence of an alkyne group makes Alkyne MegaStokes dye 608 ideal for click chemistry reactions, particularly with azides. This facilitates the efficient and selective conjugation of the dye to other molecules for various research purposes.
Material Science Applications
The unique photophysical properties of this fluorophore may lend themselves to applications in material science, such as in the development of fluorescent materials or sensors, where specific optical characteristics are required.
| Molecular weight | 651.67 |
|---|---|
| Empirical formula | C34H40F6N3OP |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 486 nm; λem 608 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 Alkyne MegaStokes dye 608 used for?
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Alkyne MegaStokes dye 608 is used in applications such as fluorescent labelling and probing, chemical biology research, and conjugation chemistry. Its alkyne functionality is particularly suited for click chemistry reactions.
What are the CAS number and formula for Alkyne MegaStokes dye 608?
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The CAS number for Alkyne MegaStokes dye 608 is 1188292-56-9, and its molecular formula is C34H40F6N3OP.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Alkyne MegaStokes dye 608 typically as a research grade chemical. The specific purity and assay information are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Alkyne MegaStokes dye 608 be handled and stored?
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Alkyne MegaStokes dye 608 is classified as an irritant to skin, eyes, and respiratory system (H315, H319, H335). It should be handled with appropriate personal protective equipment, including gloves, eye protection, and adequate ventilation. Store at -20°C.
Is Alkyne MegaStokes dye 608 a controlled substance?
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Based on the provided data, Alkyne MegaStokes dye 608 is not indicated as a controlled substance.
How is Alkyne MegaStokes dye 608 packed, shipped, and exported?
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Alkyne MegaStokes dye 608 is carefully packed according to international shipping regulations for chemicals and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Alkyne MegaStokes dye 608?
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To request a sample or a quote for Alkyne MegaStokes dye 608, please contact the Tech Serve Solutions sales team through our website or by phone.
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