TAMRA amine, 5-isomer
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 171C0 | 1 mg | $110.00 | in stock | |
| 271C0 | 5 mg | $210.00 | in stock | |
| 471C0 | 25 mg |
$410.00
|
in stock | |
| 571C0 | 50 mg |
$695.00
|
in stock | |
| 671C0 | 100 mg |
$1190.00
|
in stock |
TAMRA (tetramethylrhodamine) is a well known fluorophore that has a long history of use in biomolecule labeling. TAMRA can serve as a FRET acceptor for FAM (fluorescein).
TAMRA amine is a derivative having a primary amine group that can be conjugated with various electrophiles like activated esters, epoxides, etc., used in reductive amination reactions, and in enzymatic transamination.
Absorption and emission spectra of 5-TAMRA
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Coumarin 343 X NHS ester
Coumarin 343 is a blue emitting dye that can serve as a FRET donor for fluorescein (FAM). This structure features a linker between Coumarin 343 fluorophore, and the functional group. It provides better solubility, and spatial separation between the dye, and the functional group.General properties
| Appearance: | dark red solid |
| Molecular weight: | 565.1 |
| CAS number: | 2158336-47-9 (inner salt) |
| Molecular formula: | C31H37N4ClO4 |
| Solubility: | good in DMF, DMSO, alcohols |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | Storage: 24 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 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 |
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