Sulfo-Cyanine7.5 NHS ester,水溶Cy7.5 NHS
目前Cyanine系列染料以兩種異構(gòu)體的形式存在，一種是非磺化花青素（non-sulfonated cyanines），一種是磺化花青素（sulfonatedcyanine）。兩者的光譜性質(zhì)*，不同在于磺化以后的水溶，是一種水溶性的經(jīng)紅外染料。

Sulfo-Cyanine7.5 NHS ester,水溶Cy7.5 NHS

產(chǎn)品簡介

Sulfo-Cyanine7.5 is a near infrared water soluble and hydrophilic dye for the NIR imaging applications. The structure and spectra of the dye resemble indocyanine green (ICG) that has been approved for use in humans for years. However, unlike ICG, sulfo-Cyanine7.5 contains a trimethylene bridge that increases its uantum yield pared to ICG, and also has a linker arm for its attachment to proteins, peptides, and other molecules. This derivative is an NHS ester for the modification of amine groups.

General properties

Appearance:	dark green solid
Mass spec M+ increment:	950.2
Molecular weight:	1180.47
Molecular formula:	C49H48N3K3O16S4
Solubility:	good in water, DMF, DMSO
uality con*rol:	NMR 1H, HPLC-MS (95%)
Storage conditions:	Storage: 12 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:	778
ε, L⋅mol−1⋅cm−1:	222000
Emission maximum, nm:	797
CF260:	0.09
CF280:	0.09

結(jié)構(gòu)式 

Sulfo-Cyanine7.5 NHS ester,水溶Cy7.5 NHS

N-羥基琥珀酰亞胺脂Dye NHS esters

Pyrenebutyric acid NHS ester

ROX NHS ester, pure 6- isomer

BDP FL NHS ester

FAM NHS ester

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