Cyanine7.5是NIR(近红外光谱)染料,是长波段的红外荧光。该叠氮类衍生物用于点击化学。 可以标记多种生物分子,近红外荧光染料,是Cy7.5®改进的衍生物。标记的该荧光染料可以利用NIR组织透明度而进行体内成像实验。这种荧光素亦可用于其他荧光类应用,尤其当需要较低的荧光背景时。 该叠氮染料还有溶于DMSO的溶液形式可供选择,即用于一般的点击化学的标记。或者粉剂形式自行标记使用。 Cyanine7.5的桥连聚亚甲基链的结构特点会使量子产率提高20%,信号更强。
推荐手册:
寡核苷酸与DNA的点击化学标记
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
green powder / solution
Molecular weight:
767.44
Molecular formula:
C48H55ClN6O
Solubility:
soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
Quality control:
NMR 1H (95%) and 13C, TLC, functional testing
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:
788
Extinction coefficient at excitation maximum, Lmol-1cm-1:
223000
Emission maximum, nm:
808
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