TAMRA maleimide, 6-isomer
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
18180 | 1 mg | $110 | in stock | |
28180 | 5 mg | $260 | in stock | |
48180 | 25 mg | $410 | in stock | |
58180 | 50 mg | $695 | in stock | |
68180 | 100 mg | $1190 | in stock |
TAMRA (also known as TMR or tetramethylrhodamine) is a xanthene dye that has been used as a fluorescent label for decades. Xanthene dyes are available as two isomers (called 5- and 6-isomers) that have almost identical fluorescent properties but need to be separated to avoid doubling and smearing of labeled product peaks or bands during chromatography or electrophoresis. This is a pure 6-isomer of TAMRA maleimide, used to label proteins and peptides via thiol (SH) groups.
Absorption and emission spectra of 6-TAMRA
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Long-wavelength NIR fluorescent dye azide for click chemistry.General properties
Appearance: | dark colored solid |
Mass spec M+ increment: | 551.2 |
Molecular weight: | 552.58 |
Molecular formula: | C31H28N4O6 |
Solubility: | good in DMSO, DMF |
Quality control: | NMR 1H, HPLC-MS (95%) |
Storage conditions: | Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 541 |
ε, L⋅mol−1⋅cm−1: | 84000 |
Emission maximum, nm: | 567 |
Fluorescence quantum yield: | 0.1 |
CF260: | 0.32 |
CF280: | 0.19 |
Product citations
- Li, H.; Li, X.; Chen, L.; Li, B.; Dong, H.; Liu, H.; Yang, X.; Ueda, H.; Dong, J. Quench-Release-Based Fluorescent Immunosensor for the Rapid Detection of Tumor Necrosis Factor α. ACS Omega, 2021, 6(46), 31009–31016. doi: 10.1021/acsomega.1c03941
- Mendez, A.S.; Ly, M.; González-Sánchez, A.M.; Hartenian, E.; Ingolia, N.T.; Cate, J.H.; Glaunsinger, B.A. The N-terminal domain of SARS-CoV-2 nsp1 plays key roles in suppression of cellular gene expression and preservation of viral gene expression. Cell Reports, 2021, 37(3), 109841. doi: 10.1016/j.celrep.2021.109841
- Ast, J.; Arvaniti, A.; Fine, N. H. F.; Nasteska, D.; Ashford, F. B.; Stamataki, Z.; Koszegi, Z.; Bacon, A.; Jones, B. J.; Lucey, M. A.; Sasaki, S.; Brierley, D. I.; Hastoy, B.; Tomas, A.; D’Agostino, G.; Reimann, F.; Lynn, F. C.; Reissaus, C. A.; Linnemann, A. K.; D’Este, E.; Calebiro, D.; Trapp, S.; Johnsson, K.; Podewin, T.; Broichhagen, J.; Hodson, D. J. Super-Resolution Microscopy Compatible Fluorescent Probes Reveal Endogenous Glucagon-like Peptide-1 Receptor Distribution and Dynamics. Nature Communications, 2020, 11(1), 467. doi: 10.1038/s41467-020-14309-w
- Sagert, L.; Hennig, F.; Thomas, C.; Tampé, R. A loop structure allows TAPBPR to exert its dual function as MHC I chaperone and peptide editor. eLife, 2020, 9, e55326. doi: 10.7554/eLife.55326
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