5-TAMRA
Catalog #:
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ABBFO1038-10mg | USD69.0 |
Synonyms: 5-Carboxytetramethylrhodamine

Functional Activity:
5-TAMRA is the purified single isomer of 5(6)-TAMRA. It is widely used to label peptides and proteins. Readily excited by the 546 nm spectral line from mercury-arc lamps used in fluorescent microscopes, and is intrinsically more photostable than fluorescein. 5-TAMRA has also achieved prominence as a dye for oligonucleotide labeling and automated DNA sequencing applications.
Technical Data:
M.Wt: 430.46
Formula: C25H22N2O5
Excitation (nm): 541
Emission (nm): 568
Solubility: Soluble in DMSO, DMF
Purity: >95% (HPLC)
Shipping Conditions: Room temperature
Storage: Store at room temperature and protect from light.
CAS No.: 91809-66-4
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References for 5-TAMRA :
1. Unruh JR, Gokulrangan G, Wilson GS, Johnson CK. (2005) Fluorescence properties of fluorescein, tetramethylrhodamine and Texas Red linked to a DNA aptamer. Photochem Photobiol, 81, 682.
2. Vamosi G, Gohlke C, Clegg RM. (1996) Fluorescence characteristics of 5- carboxytetramethylrhodamine linked covalently to the 5' end of oligonucleotides: multiple conformers of single-stranded and double-stranded dye-DNA complexes. Biophys J, 71, 972.