Sulfo-Cyanine7 maleimide

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  • Sulfo-Cyanine7 maleimide

Sulfo-Cyanine7 maleimide

标签:sulfo-Cyanine7, Cy7,Maleimides, Near infrared (NIR) imaging
货号 规格 价格 货期
15380 1 mg 110.00$ in stock
25380 5 mg 290.00$ in stock
45380 25 mg 690.00$ in stock
55380 50 mg 1270.00$ in stock
65380 100 mg 1990.00$ in stock

A reactive dye with a maleimide group for the labeling of thiol groups of proteins and other biomolecules, an analog of Cy7® maleimide.

Sulfo-Cyanine7 is a near infrared fluorophore which is hydrophilic and contains a rigidizing ring in its heptamethine chain that improves its photophysical properties. A great dye for various applications, including NIR imaging.

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硫醇基团,是 Cy7® 马来酰亚胺的类似物。

Sulfo-Cyanine7 是一种近红外荧光团,具有亲水性,在其七甲碱链中包含一个刚性环,可改善其光物理性质。 适用于各种应用的出色染料,包括 NIR 成像。

Sulfo-Cyanine7 maleimide absorbance and emission spectra

Sulfo-Cyanine7 maleimide

Sulfo-Cyanine7 maleimide相关产品

AF488 NHS ester

AF488 NHS ester, a bright, photostable and hydrophilic fluorescent dye for green channel.

AF488 NHS 酯,一种用于绿色通道的明亮、光稳定性和亲水性荧光染料。

Cyanine7.5 maleimide

Cyanine7.5 maleimide is a thiol reactive near infrared dye.

Cy7.5 马来酰亚胺是一种硫醇活性近红外染料。

Cyanine5 amine

Cyanine5 amine functionalized dye for the coupling with activated esters and epoxides.

用于与活化酯和环氧化物偶联的花青5 胺官能化染料。

General properties

Appearance: dark green powder 深绿色粉末
Mass spec M+ increment: 868.2
Molecular weight: 869.10
CAS number: 2183440-60-8 (potassium salt), 2183440-59-5 (inner salt)
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.

储存:收到后 24 个月,在 -20°C 避光保存。 运输:在室温下长达 3 周。 避免长时间暴露在光线下。 干燥。

MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 750
ε, L⋅mol−1⋅cm−1: 240600
Emission maximum, nm: 773
Fluorescence quantum yield: 0.24
CF260: 0.04
CF280: 0.04


  1. Lee, J.; Kang, Y.K.; Oh, E.; Jeong, J.; Im, S.H.; Kim, D.K.; Lee, H.; Kim, S.-G.; Jung, K.; Chung, H.J. Nano-assembly of a Chemically Tailored Cas9 Ribonucleoprotein for In Vivo Gene Editing and Cancer Immunotherapy. Chemistry of Materials, in press. doi: 10.1021/acs.chemmater.1c02844
Cy® is a trademark of GE Healthcare.