Tetramethylrhodamine isothiocyanate Isomer R
Tetramethylrhodamine isothiocyanate Isomer R (CAS: 80724-20-5; Formula: C25H21N3O3S) is a fluorescent labeling agent with a molecular weight of 443.52 g/mol. Supplied by Tech Serve Solutions, this rhodamine derivative is primarily utilised for the fluorescent labelling of proteins and antibodies. Its chemical structure allows for covalent attachment to biomolecules, enabling their detection and tracking in various biological assays and research applications.
- IUPAC
- 6-TRITC,Tetramethylrhodamine-6-isothiocyanate
- Synonyms
- 6-TRITCTetramethylrhodamine-6-isothiocyanate

Protein Labeling
Tetramethylrhodamine isothiocyanate Isomer R is effectively employed for the covalent fluorescent labelling of proteins. This process allows for the subsequent detection and quantification of labelled proteins in biochemical and immunological assays.
Antibody Conjugation
This compound serves as a versatile reagent for conjugating antibodies with a fluorescent tag. Such labelled antibodies are invaluable tools in techniques like immunofluorescence microscopy, flow cytometry, and ELISA.
Biochemical Research
As a fluorescent probe, it is used in various biochemical research applications to track biomolecules, study cellular processes, and facilitate diagnostic assays requiring fluorescent detection.
| Molecular weight | 443.52 |
|---|---|
| Empirical formula | C25H21N3O3S |
| Form | powder |
| Storage temperature | 2-8°C |
| Application | Useful in the fluorescent labeling of proteins. |
| Composition | Dye content, ≥80% |
Hazard statements
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Water hazard class (WGK, DE) | 2 |
|---|---|
| Risk statements (R) | 52/53 |
| Safety statements (S) | 61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Labeling Efficiency With Bovine Albumin | ≥50% |
|---|
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 Tetramethylrhodamine isothiocyanate Isomer R used for?
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Tetramethylrhodamine isothiocyanate Isomer R (CAS: 80724-20-5) is primarily used for the fluorescent labeling of proteins and antibodies in various biochemical and research applications.
What are the CAS number and molecular formula?
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The CAS number for Tetramethylrhodamine isothiocyanate Isomer R is 80724-20-5, and its molecular formula is C25H21N3O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetramethylrhodamine isothiocyanate Isomer R with a dye content of ≥80%. This product is intended for laboratory research and technical applications. TSS does not represent this product as USP, BP, EP or other pharmacopoeia grades.
What are the safety and handling considerations?
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This compound is classified with hazard statement H412 (Harmful to aquatic life with long lasting effects). Precautionary statement P273 advises to avoid release to the environment. Handle with appropriate personal protective equipment in a well-ventilated area. Consult the Safety Data Sheet (SDS) for detailed information.
How is this product shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter of fine chemicals, ensures that Tetramethylrhodamine isothiocyanate Isomer R is packed and shipped according to international regulations for chemical transport. Please contact us for specific export inquiries.
How can I request a sample or quote?
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To request a sample or a quotation for Tetramethylrhodamine isothiocyanate Isomer R, please contact the Tech Serve Solutions sales team through our website or by calling our direct line. We aim to respond promptly to all inquiries.
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