- Products
- Reactive dyes
- Dye NHS esters
- TAMRA NHS ester, 6-isomer
TAMRA NHS ester, 6-isomer
| Cat. # | Quantity | Price | Lead time | |
|---|---|---|---|---|
| 18120 | 1 mg | 110.00$
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| 28120 | 5 mg | 210.00$
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| 48120 | 25 mg | 410.00$
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| 58120 | 50 mg | 695.00$
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| 68120 | 100 mg | 1190.00$
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TAMRA (tetramethylrhodamine) is a xanthene dye with a fluorescence maximum at 567 nm.
This product is the 6-TAMRA N-Hydroxysuccinimide (NHS)-ester. TAMRA NHS-ester readily reacts with various amines and is used to generate fluorescently labeled proteins, peptides, antibodies and other biomolecules.
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General properties
| Appearance: | red powder |
| Molecular weight: | 527.53 |
| CAS number: | 150810-69-8 |
| Molecular formula: | C29H25N3O7 |
| IUPAC name: | 2-(6-(dimethylamino)-3-(dimethyliminio)-3H-xanthen-9-yl)-4-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)benzoate |
| Solubility: | good in DMF, DMSO |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | Storage: 12 months after receipt 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: | 0.34 |
| CF280: | 0.17 |
- Dong, B.; Du, S.; Wang, C.; Fu, H.; Li, Q.; Xiao, N.; Yang, J.; Xue, X.; Cai, W.; Liu, D. Reversible Self-Assembly of Nanoprobes in Live Cells for Dynamic Intracellular pH Imaging. ACS Nano, 2019, 13(2), 1421–1432. doi: 10.1021/acsnano.8b07054
