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[Carboxylic acids]Cyanine3 carboxylic acid

Cyanine3 carboxylic acid

Free Cyanine3 carboxylic acid(Cy3? carboxylic acid类似物)，非活性染料，非磺化试剂，在有机溶剂中有很高的溶解度，微溶于水。该染料可作为非活性荧光团用于对照试验和校准。

如果需要与胺类偶联和标记，请参考使用Cyanine3 NHS ester,或者水溶的 sulfo-Cyanine3 NHS ester。

Cy? is a trademark of GE Healthcare.

General properties

Appearance: red powder

Molecular weight: 493.08

Molecular formula: C30H37ClN2O2

CAS number: 1032678-01-5

Solubility: soluble in organic solvents (DMF, DMSO, dichloromethane), insoluble in water

Quality control: NMR 1H (95%) and 13C, TLC

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

Spectral properties

Excitation maximum, nm: 555

Extinction coefficient at excitation maximum, Lmol-1cm-1: 150000

Emission maximum, nm: 570

Fluorescence quantum yield: 0.31

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