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Cyanine3 tetrazine,水溶Cy3 tetrazine

Tetrazine - trans-cyclooctene ligation is among the fastest bioconjugation reactions known to date.

This water soluble sulfo-Cyanine3 derivative contains methyltetrazine moiety for the coupling with trans-cyclooctenes. Methyltetrazines possess optimal stability at physiological pH, while maintaining extremely high reactivity towards cyclooctenes.

The fluorophore is bright, photostable, and is also very well visible with naked eye.

General properties

Appearance:	red powder
Molecular weight:	838.05
Molecular formula:	C40H44KN7O7S2
IUPAC name:	Potassium (E)-2-[(E)-3-{3,3-Dimethyl-1-[6-({[p-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}amino)-6-oxohexyl]-5-(oxysulfonyl)-3H-indol-2-yl}-2-propenylidene]-1-methyl-3,3-dimethyl-5-indolinesulfonate
Solubility:	good in water, DMF, DMSO
uality conrol:	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.

Spectral properties

Excitation maximum, nm:	548
ε, L⋅mol−1⋅cm−1:	162000
Emission maximum, nm:	563
Fluorescence quantum yield:	0.1
CF260:	0.03
CF280:	0.06

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N-羥基琥珀酰亞胺脂Dye NHS esters

Pyrenebutyric acid NHS ester

ROX NHS ester, pure 6- isomer

BDP FL NHS ester

FAM NHS ester

Cyanine3 NHS ester

Cyanine3.5 NHS ester

Cyanine5 NHS ester

Cyanine5.5 NHS ester

Cyanine7 NHS ester

Cyanine7.5 NHS ester

Sulfo-Cyanine3 NHS ester

Sulfo-Cyanine5 NHS ester

sulfo-Cyanine5 bis-NHS ester

Sulfo-Cyanine7 NHS este