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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