TAMRA NHS ester, 5-isomer

Catelog Number: R01-0037

Category: NHS Esters


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
Catelog Number: R01-0037
Product Name: TAMRA NHS ester, 5-isomer
Molecular Formula: C29H25N3O7
Molecular Weight: 527.53
Purity: NMR 1H, HPLC-MS (95%)
Solubility: good in DMF, DMSO, low in water
CAS Number: 321862-17-3
Product Specification
Appearance: dark colored solid
Excitation Maximum: 541
ε, L⋅mol-1⋅cm-1: 84000
Fluorescence quantum Yield: 0.1
Storage Conditions: 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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