Sulfo-Cyanine7 maleimide，磺化Cy7-mal，2183440-59-5，2183440-60-8用于标记蛋白质和其他生物分子的巯基，是Cy7马来酰亚胺的类似物

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我是靠谱客的博主瘦瘦冬天，最近开发中收集的这篇文章主要介绍Sulfo-Cyanine7 maleimide，磺化Cy7-mal，2183440-59-5，2183440-60-8用于标记蛋白质和其他生物分子的巯基，是Cy7马来酰亚胺的类似物，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

Sulfo-Cyanine7 maleimide，磺化Cy7-mal，2183440-59-5，2183440-60-8

一种带有马来酰亚胺基团的活性染料，用于标记蛋白质和其他生物分子的巯基，是Cy7马来酰亚胺的类似物。
磺基菁7是一种近红外荧光团，具有亲水性，七甲川链中含有一个刚性环，可改善其光物理性质。这是一种非常适合各种应用的染料，包括近红外成像。

一般属性：

Appearance:	dark green powder
Mass spec M+ increment:	868.2
Molecular weight:	869.10
Molecular formula:	C43H49KN4O9S2
IUPAC name:	1-[2-(6-{2-[(E)-2-[(E)-3-{(E)-2-[1-Methyl-3,3-dimethyl-5-(oxysulfonyl)-2-indolinylidene]ethylidene}-1-cyclohexen-1-yl]ethenyl]-3,3-dimethyl-5-(oxysulfonyl)-3H-indol-1-yl}hexanoylamino)ethyl]-1H-pyrrole-2,5-dione, potassium salt
Solubility:	Good in water, DMF, DMSO. Low in non-polar organic solvents.
Quality control:	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:	750
ε, L?mol?1?cm?1:	240600
Emission maximum, nm:	773
CF260:	0.04
CF280:	0.04

结构式：

Cy系列的活性基团菁染料：

n-琥珀酰亚胺脂dye nhs esters
cyanine3 nhs ester
cyanine3.5 nhs ester
cyanine5 nhs ester
cyanine5.5 nhs ester
cyanine7 nhs ester
cyanine7.5 nhs ester
sulfo-cyanine3 nhs ester
sulfo-cyanine5 nhs ester
sulfo-cyanine5 bis-nhs ester
sulfo-cyanine7 nhs ester

炔烃 dye alkynes
cyanine3 alkyne
cyanine5 alkyne
cyanine5.5 alkyne
cyanine7 alkyne
cyanine7.5 alkyne
sulfo-cyanine3 alkyne
sulfo-cyanine5 alkyne

叠氮化物 dye azides
cyanine3 azide
cyanine3.5 azide
cyanine5 azide
cyanine5.5 azide
cyanine7 azide
cyanine7.5 azide
sulfo-cyanine3 azide
sulfo-cyanine5 azide
sulfo-cyanine7 azide

马来酰亚胺 dye maleimides
cyanine3 maleimide
cyanine5 maleimide
cyanine5.5 maleimide
cyanine7 maleimide
cyanine7.5 maleimide
sulfo-cyanine3 maleimide
sulfo-cyanine5 maleimide

伯胺 primary amine
cyanine3 amine
cyanine5 amine
cyanine5.5 amine
cyanine7 amine
cyanine7.5 amine
sulfo-cyanine5 amine
sulfo-cyanine7 amine

马来酰亚胺 dye maleimides
cyanine3 maleimide
cyanine5 maleimide
cyanine7 maleimide
sulfo-cyanine3 maleimide
sulfo-cyanine5 maleimide

羧酸 carboxylic acids
cyanine3 carboxylic acid
cyanine5 carboxylic acid
cyanine7 carboxylic acid
sulfo-cyanine3 carboxylic acid
sulfo-cyanine5 carboxylic acid
sulfo-cyanine7 carboxylic acid