5(6)-Carboxy-X-rhodamine
5(6)-Carboxy-X-rhodamine (CAS: 198978-94-8; Formula: C33H30N2O5) is a fluorescent dye utilised in scientific research. It is particularly valuable as a fluorescent probe for nucleic acid analysis, enabling visual detection and quantification in various biological assays. Its distinct fluorescent properties make it a key reagent in biochemical and detection applications, contributing to advancements in molecular biology and diagnostics.

Nucleic Acid Analysis
5(6)-Carboxy-X-rhodamine serves as a fluorescent dye for the analysis of nucleic acids. Its properties allow for the visualisation and study of DNA and RNA in research settings.
Fluorescent Labeling
This compound is used as a fluorescent label in biochemical research. It can be incorporated into assays requiring fluorescent detection of biomolecules.
Detection Reagent
As a fluorescent indicator and probe, 5(6)-Carboxy-X-rhodamine is employed in various detection methodologies within biological and chemical research.
| Empirical formula | C33H30N2O5 |
|---|---|
| Application | 5(6)-Carboxy-X-rhodamine may be used as a fluorescent dye in nucleic acid analytical research applications. |
| Suitability | suitable for fluorescence |
| Melting point | ≥250 °C(lit.) |

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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioReagent |
|---|---|
| Fluorescence | λex 570 nm; λem ~595 nm in 0.1 M Tris pH 8.0 |
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 5(6)-Carboxy-X-rhodamine used for?
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5(6)-Carboxy-X-rhodamine is primarily used as a fluorescent dye in nucleic acid analytical research and as a fluorescent label or probe in biochemical and detection applications.
What is the CAS number and chemical formula for 5(6)-Carboxy-X-rhodamine?
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The CAS number is 198978-94-8 and the chemical formula is C33H30N2O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5(6)-Carboxy-X-rhodamine as a BioReagent. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for 5(6)-Carboxy-X-rhodamine?
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This compound is a Warning substance with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
How is 5(6)-Carboxy-X-rhodamine packed, shipped, or exported?
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Tech Serve Solutions, as a specialist global supplier and exporter since 1998, handles the packing, shipping, and export of chemicals according to international regulations.
How can I request a sample or quote for 5(6)-Carboxy-X-rhodamine?
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To request a sample or quote, please contact the Tech Serve Solutions sales department through the website or by phone, providing your contact details and the product CAS number (198978-94-8).
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