6-(7-Nitrobenzofurazan-4-ylamino)hexanoic acid
6-(7-Nitrobenzofurazan-4-ylamino)hexanoic acid (CAS 88235-25-0) is a fluorogenic reagent with the molecular formula C12H14N4O5 and a molecular weight of 294.26 g/mol. This compound is particularly valuable for its fluorescent properties, enabling sensitive detection in various biochemical and analytical applications. Its structure allows for derivatization, making it suitable for labelling and probe development in biological research.
- IUPAC
- 6-(7-Nitro-2,1,3-benzoxadiazol-4-ylamino)hexanoic acid

Fluorescent Labelling
This compound serves as a fluorescent label, reacting with target molecules to impart fluorescence. Its properties are exploited in biochemical assays where sensitive detection is required.
Detection Reagent
Utilised as a detection reagent, it enables the sensitive identification and quantification of specific analytes. The excitation and emission spectra make it useful in fluorescence-based analytical methods.
Probe Development
The molecule's structure makes it a useful precursor for developing fluorescent probes. These probes can be designed to target specific biological structures or processes, aiding in research and diagnostics.
Flow Cytometry Applications
Its lipophilic nature and fluorescent characteristics make it suitable for applications in flow cytometry, particularly for staining cells or membranes, allowing for cellular analysis.
| Molecular weight | 294.26 |
|---|---|
| Empirical formula | C12H14N4O5 |
| Assay | ≥96.0% (HPLC) |
| Suitability | suitable for fluorescence |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 22-26-36-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 466 nm; λem 535 nm in methanol |
|---|
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 6-(7-Nitrobenzofurazan-4-ylamino)hexanoic acid used for?
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This compound is primarily used as a fluorescent label and detection reagent in biochemical analyses and for developing fluorescent probes. It is also suitable for applications in flow cytometry.
What are the CAS number and molecular formula?
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The CAS number is 88235-25-0, and the molecular formula is C12H14N4O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a minimum purity of 96.0% by HPLC. It is suitable for fluorescence applications. TSS does not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should this chemical be handled safely?
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This compound is classified as Danger. It is toxic if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment including eyeshields, faceshields, gloves, and P2 respirator cartridges must be used. Handle in a well-ventilated area and avoid dust formation.
How is this product packed, shipped, and exported?
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Tech Serve Solutions offers expert packing and shipping services for chemicals, including international export. Please contact us for specific details regarding packaging and shipping regulations for this product.
How can I request a sample or quote?
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To request a sample or a quotation for 6-(7-Nitrobenzofurazan-4-ylamino)hexanoic acid, please visit the Tech Serve Solutions website or contact our sales team directly.
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