TAMRA NHS ester, 5-isomer

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TAMRA NHS ester, 5-isomer

TAMRA NHS ester, 5-isomer | 321862-17-3

Catelog Number R01-0037
Category NHS Esters
Molecular Formula C29H25N3O7
Molecular Weight 527.53
Catalog Number Size Price Quantity
R01-0037 -- $--

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

Purity NMR 1H, HPLC-MS (95%)
Solubility good in DMF, DMSO, low in water
Appearance dark colored solid

Product Specification

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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