Cyanine7.5 hydrazide,酰肼近红外荧光染料

Cyanine7.5 hydrazide,酰肼近红外荧光染料
目前Cyanine系列染料以两种异构体的形式存在，一种是非磺化花青素（non-sulfonated cyanines），一种是磺化花青素（sulfonatedcyanine）。两者的光谱性质几乎*，因此大部分应用可相互替换。

Cyanine7.5 hydrazide,酰肼近红外荧光染料

产品介绍

Cyanine7.5 hydrazide

A carbonyl-reactive hydrazide derivative of Cyanine7.5 near infrared (NIR) fluorophore. This dye has similar spectral properties with ICG (indocyanine green), but has a higher uantum yield of fluorescence. Hence, this fluorophore is ideal for in vivo imaging.

This is a carbonyl-reactive dye which is particularly useful for the labeling of antibodies after periodate oxidation. It also labels other carbonyl pounds (aldehydes and ketones), for example, many saccharides.

General properties

Appearance:	green powder
Mass spec M+ increment:	644.4
Molecular weight:	735.82
Molecular formula:	C45H52Cl2N4O
Solubility:	moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols)
uality con*rol:	NMR 1H, HPLC-MS (95%)
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.

Spectral properties

Excitation maximum, nm:	788
ε, L⋅mol−1⋅cm−1:	223000
Emission maximum, nm:	808

结构式：

 

Cyanine7.5 hydrazide,酰肼近红外荧光染料

西安凯新生物科技有限公司

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