TAMRA DBCO, 5-isomer

Cat. # Quantity Price Lead time
171F0 1 mg $125 in stock
271F0 5 mg $395 in stock
471F0 25 mg $890 in stock
571F0 50 mg $1490 in stock
671F0 100 mg $1990 in stock
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This product is a derivative of tetramethylrhodamine (TMR, TAMRA) containing a cyclooctyne moiety (dibenzocyclooctyne, DBCO). Pure 5-isomer.

DBCO reacts quickly and efficiently with azides by simply mixing the components without the need for a copper catalyst (so-called sterically promoted cycloaddition reaction (SPAAC)).

TAMRA DBCO can be used for the labeling of proteins, peptides, nucleic acids, and other molecules containing azide groups. TAMRA is often used as a FRET acceptor for FAM fluorophore. Can replace DyLight 549.

Absorption and emission spectra of 5-TAMRA

Absorption and emission spectra of 5-TAMRA

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General properties

Appearance: dark colored solid
Molecular weight: 730.87
CAS number: 1911598-65-6
Molecular formula: C46H42N4O5
Solubility: in DMSO, DMF
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
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
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