TAMRA NHS ester, 6-isomer
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
18120 | 1 mg | $110 | in stock | |
28120 | 5 mg | $210 | in stock | |
48120 | 25 mg | $350 | in stock | |
58120 | 50 mg | $595 | in stock | |
68120 | 100 mg | $790 | in stock |
TAMRA (tetramethylrhodamine) is a xanthene dye with a fluorescence maximum at 567 nm.
This product is an N-Hydroxysuccinimide (NHS)-ester of TAMRA dye. Pure 6-isomer. TAMRA NHS-ester readily reacts with various amines and is used to generate fluorescently labeled proteins, peptides, antibodies, and other biomolecules.
Absorption and emission spectra of 6-TAMRA
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Pure 6-isomer of ROX (Rhodamine X, R101) NHS-ester for amine labeling.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 (90%) |
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 |
Product citations
- Wiesner, W.; Kühnel, R. M.; Pomorski, T. G. Synthesis and Purification of Lipid-Conjugated Fluorescent PH Sensors. Bio Protoc, 2023, 13(11), e4694. doi: 10.21769/BioProtoc.4694
- 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
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