官网链接
折扣/货期| 货号：CDX-C0681-G001 | 规格：1 g | 目录价：￥1134 |
| 货号：CDX-C0681-G010 | 规格：10 g | 目录价：￥5082 |
产品详情
* 以下信息仅供参考，详情请以原厂网站为准
产品名称:
Calcein Blue
别名:
4-Methylumbelliferone-8-methyleneiminodiacetic acid
产品描述:
Calcein Blue is a membrane-impermeant fluorescent dye. It is a fluorescent metal ion indicator and a cell-staining reagent widely used in biochemical, analytical and imaging applications. Calcein Blue is a metallofluorochromic indicator for EDTA titration. It exhibits strong fluorescence, typically with excitation around 360-380 nm and emission near 445-465 nm (blue fluorescence). Calcein Blue solution emits bright blue fluorescence (lambdaem=445 nm) at pH 4-11, but no fluorescence at pH 12 or higher. The blue fluorescence of the Calcein Blue solution at pH 4-11 is quenched by metal ions such as Co, Cu, Fe, Mn, Ni, Pb and Zn. However, Calcein Blue forms a highly fluorescent complex with alkaline earth metals at pH 12 or higher. Calcein Blue forms highly fluorescent complexes with divalent metal ions such as calcium and magnesium, allowing for sensitive detection and quantification in biological samples. Spectral Data: lambdaex 322nm, lambdaem 445nm (in methanol).
宿主来源:
Synthetic
保存温度:
+20°C
运输温度:
Ambient
预期分子量:
321.28
产品形式:
solid
产地:
瑞士
纯度:
>95% (HPLC)
CAS号:
54375-47-2
分子式:
C15H15NO7
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