Cyanine7 NHS ester
详细描述
订购货号 | 产品名称及规格 | 价格(¥) |
15020 | Cyanine7 NHS ester, 1 mg | 1430.00 |
25020 | Cyanine7 NHS ester, 5 mg | 2730.00 |
45020 | Cyanine7 NHS ester, 25 mg | 5330.00 |
55020 | Cyanine7 NHS ester, 50 mg | 9035.00 |
65020 | Cyanine7 NHS ester, 100 mg | 15470.00 |
胺类活性染料,近红外荧光染料,Cy7®的改进的类似物。
近红外荧光素可以被用来利用生物组织的近红外窗口。在这个光谱区域,高度增强的组织透明度使得活体成像成为可能。该染料可用于制备CY7标记的生物分子来进行后续试验,如活体研究及药物开发相关实验。
Cy7的特殊结构加固了中心聚亚甲基(polymethyne)链的稳定性。这种增强的分子结构会使其量子产率较其母结构提供20%,因此它的荧光强度会更大。
该试剂在标记时需要共溶剂有机溶剂。水溶Cy7 NHS ester可以用于蛋白NIR标记。
推荐手册
氨基分子的NHS酯标记
Cy® is a trademark of GE Healthcare.
General properties
Appearance: |
green powder |
Molecular weight: |
682.29 |
Molecular formula: |
C41H48ClN3O4 |
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: |
750 |
Extinction coefficient at excitation maximum, Lmol-1cm-1: |
199000 |
Emission maximum, nm: |
773 |
Fluorescence quantum yield: |
0.3 |
上海金畔生物科技有限公司