6-Carboxy-tetramethylrhodamine N-succinimidyl ester
6-Carboxy-tetramethylrhodamine N-succinimidyl ester (CAS: 150810-69-8; Formula: C29H25N3O7; MW: 527.52) is a fluorescent labelling reagent. It is suitable for fluorescence applications and is commonly used for labelling biomolecules. This rhodamine derivative offers reliable performance in various detection and assay methodologies. Tech Serve Solutions supplies this high-quality biochemical reagent for research and development purposes.
- IUPAC
- \"5-Carboxytetramethylrhodamine N-succinimidyl ester\"

Fluorescent Labeling of Biomolecules
This compound serves as an efficient reagent for covalently attaching a fluorescent rhodamine tag to biomolecules such as proteins and nucleic acids. Its succinimidyl ester group readily reacts with amine functionalities.
Biochemical Assays and Detection
Utilised in various biochemical assays where fluorescence detection is required. It can be employed in methods like flow cytometry, microscopy, and immunoassays for sensitive detection and quantification.
Fluorescence Microscopy
Its strong fluorescence properties make it suitable for imaging studies using fluorescence microscopy, enabling visualisation of labelled cellular components or molecules.
| Molecular weight | 527.52 |
|---|---|
| Empirical formula | C29H25N3O7 |
| Solubility | DMF: solubleacetonitrile: soluble |
| Storage temperature | −20°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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioReagent |
|---|---|
| Fluorescence | λex 543 nm; λem 575 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 6-Carboxy-tetramethylrhodamine N-succinimidyl ester used for?
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This compound is primarily used as a fluorescent labelling reagent for biomolecules, enabling detection in various biological assays, microscopy, and flow cytometry.
What are the CAS number and formula for 6-Carboxy-tetramethylrhodamine N-succinimidyl ester?
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The CAS number is 150810-69-8, and the empirical formula is C29H25N3O7.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a high-quality biochemical reagent. Purity and specific assay details are available upon request, and TSS does not represent this product as USP, BP, or EP grade.
How should 6-Carboxy-tetramethylrhodamine N-succinimidyl ester be handled?
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Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust, ensure adequate ventilation, and wash hands thoroughly after handling. It is classified as an irritant to skin, eyes, and respiratory system (H315-H319-H335).
How is 6-Carboxy-tetramethylrhodamine N-succinimidyl ester stored and shipped?
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This product should be stored at −20°C. It is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for this product?
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Please contact our sales team via the website or by phone to request a sample or a quotation for 6-Carboxy-tetramethylrhodamine N-succinimidyl ester.
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