TET azide, 6-isomer

Cat. # Quantity Price Lead time
18230 1 mg $110 in stock
28230 5 mg $165 in stock
48230 25 mg $285 in stock
58230 50 mg $495 in stock
68230 100 mg $880 in stock
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TET (tetrachlorofluorescein) is a green-fluorescent fluorescein derivate with absorption maximum at 519 nm and emission maximum at 535 nm. TET is spectrally similar to R6G, JOE, and VIC, widely used for labeling PCR probes.

Oligonucleotides labeled with TET are often used in real-time PCR; the preparation of such oligonucleotides can be performed using click chemistry. This derivative is an azide, a pure 6-isomer, for conjugating TET to other molecules by copper-catalyzed and copper-free click reactions.

Absorption and emission spectra of TET

Absorption and emission spectra of TET

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R6G azide, 5-isomer

Rhodamine 6G is a xanthene dye that has been used for DNA sequencing and qPCR. This azide derivative is used for the attachment of the dye to DNA and other molecules by means of click chemistry.

VIC azide, 6-isomer

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General properties

Appearance: orange powder
Molecular weight: 596.21
CAS number: 1450752-90-5
Molecular formula: C24H14Cl4N4O6
Solubility: in DMSO
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: 519
ε, L⋅mol−1⋅cm−1: 100000
Emission maximum, nm: 535
Fluorescence quantum yield: 0.47
CF260: 0.17
CF280: 0.09
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