1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl]pyridinium triflate
1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl]pyridinium triflate (CAS: 155863-05-1) is a triflate salt with a molecular weight of 551.49 g/mol. This compound is specifically noted for its fluorescence properties, making it suitable for various detection and labelling applications. It is supplied by Tech Serve Solutions for research and development purposes.
- Synonyms
- C24H20F3N3O7S
![1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl]pyridinium triflate (C24H20F3N3O7S) — chemical structure, CAS 155863-05-1; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F155863-05-1.png&w=3840&q=75)
Fluorescence-based Assays
The compound's fluorescent characteristics, with excitation at 389 nm and emission at 528 nm, make it valuable for developing and performing fluorescence-based assays in biological and chemical research.
Biochemical Labeling
As a fluorescent label, it can be employed to tag biomolecules for enhanced detection and tracking in various biological studies, facilitating the visualization of cellular processes or molecular interactions.
Research Reagent
This compound serves as a specialized reagent in laboratories, enabling researchers to explore its utility in novel applications within biochemistry and related fields.
| Molecular weight | 551.49 |
|---|---|
| Empirical formula | C24H20F3N3O7S |
| Assay | ≥90% (HPCE) |
| Storage temperature | 2-8°C |
| Suitability | suitable for fluorescence |

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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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.
| Product Line | BioReagent |
|---|---|
| Fluorescence | λex 389 nm; λem 528 nm in 0.1 M phosphate pH 7.0 |
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 1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl]pyridinium triflate used for?
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This compound is primarily used as a fluorescent label and for fluorescence-based assays in research settings.
What are the CAS number and formula for this compound?
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The CAS number is 155863-05-1, and the empirical formula (Hill notation) is C24H20F3N3O7S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of ≥90% (HPCE). It is suitable for fluorescence. We do not represent it as USP, BP, EP, or any pharmacopoeia grade.
How should this chemical be handled safely?
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This compound is a Warning substance and is classified with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure good ventilation.
Is this chemical suitable for fluorescence applications?
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Yes, the product specifications indicate suitability for fluorescence, with specific excitation and emission wavelengths provided (λex 389 nm; λem 528 nm).
How is this product typically stored and shipped?
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The recommended storage temperature is 2-8°C. Tech Serve Solutions exports fine chemicals globally, adhering to all necessary regulations for safe transport.
How can I request a sample or quote for this product?
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To request a sample or a quote, please contact our sales team through the website or by phone. Please specify the product name and CAS number (155863-05-1).
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