Cyanine5.5 tetrazine

Cyanine5.5 Tetrazine Copper free Click chemistry

Cat. #	Quantity	Price	Lead time
170E0	1 mg	$110.00	in stock
270E0	5 mg	$290.00	in stock
470E0	25 mg	$690.00	in stock
570E0	50 mg	$1270.00	in stock
670E0	100 mg	$1990.00	in stock

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Cyanine5.5 is a far red emitting dye for in vivo imaging and applications requiring low background. This Cyanine5.5 derivative contains tetrazine moiety that reacts with trans-cyclooctenes, cyclopropenes, and some strained cyclooctynes with the formation of stable conjugates.

This labeling reaction is extremely fast, and can be used in vivo.

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Absorption and emission spectra of Cyanine5.5

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Cyanine3 tetrazine

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Cyanine7.5 tetrazine

Cyanine7.5 is a NIR fluorescent dye with absorption and emission spectra similar to ICG (indocyanine green), but possessing a higher fluorescence quantum yield. This derivative is a tetrazine derivative for the TCO ligation reaction.

General properties

Appearance:	dark blue solid
Mass spec M+ increment:	737.4
Molecular weight:	911.96
Molecular formula:	C50H52N7F6OP
Solubility:	good in DCM, DMF, DMSO
Quality control:	NMR 1H, HPLC-MS (95%)
Storage conditions:	Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS:	Download