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TAMRA NHS ester, 5-isomer | CAS 321862-17-3
| Catalog Number | R01-0037 |
| Category | NHS Esters |
| Molecular Formula | C29H25N3O7 |
| Molecular Weight | 527.53 |
* Please be kindly noted products are not for therapeutic use. We do not sell to patients.
Product Introduction
TAMRA (tetramethylrhodamine) is a xanthene dye of rhodamine series. This fluorophore is being used for quite a long time for the preparation of dual labeled qPCR TaqMan oligonucleotide probes containing TAMRA and fluorescein (FAM).Just like many other xanthene fluorophores, TAMRA is a available as two isomers (5-and 6-isomer) which have nearly identical optical properties. This product is an isomerically pure 5-TAMRA.
Chemical Information
Product Specification
| Purity | NMR 1H, HPLC-MS (95%) |
| Solubility | good in DMF, DMSO, low in water |
| Appearance | dark colored solid |
| ε, L⋅mol-1⋅cm-1 | 84000 |
| Fluorescence Quantum Yield | 0.1 |
| Excitation | 541 |
| Emission | 567 |
| 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. |
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