Cyanine7.5 tetrazine,近紅外熒光標(biāo)記四嗪
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)幾乎*，因此大部分應(yīng)用可相互替換。

Cyanine7.5 tetrazine,近紅外熒光標(biāo)記四嗪

產(chǎn)品介紹

Cyanine7.5 tetrazine

Cyanine7.5 tetrazine for tetrazine ligation contains a near infrared fluorophore suitable for in vivo imaging.

Absorption and emission spectra of Cyanine7.5 are similar to ICG (indocyanine green), but Cyanine7.5 is significantly brighter.

General properties

Appearance:	dark colored solid
Mass spec M+ increment:	802.5
Molecular weight:	919.9
Molecular formula:	C55H58N7BF4O
Solubility:	good in DMF, DMSO, dichloromethane
uality cont*ol:	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

結(jié)構(gòu)式：

 

Cyanine7.5 tetrazine,近紅外熒光標(biāo)記四嗪

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