Cyanine5.5 hydrazide，羰基染料Cy5.5酰肼
Cyanine5.5 hydrazide is a carbonyl-reactive near infrared dye. Hydrazides quickly react with carbonyl compounds, such as aldehydes and ketones, and form stable hydrazones. This reaction is useful for the preparation of labeled conjugates.
Carbonyl groups in biomolecules can form spontaneously after oxidative stress or deamination of proteins. Alternatively, aldehyde groups can be specifically generated by periodate oxidation of sugar residues of glycoproteins, for example antibodies. Antibodies can be oxidized by sodium periodate and labeled with Cyanine5.5 hydrazide to form Cyanine5.5 labeled antibodies. Since sugar residues in antibodies are located far from variable, epitope-binding site, this method is particularly good for the labeling of antibodies.
Cyanine5.5 is a near infrared fluorophore, an analog of Cy5.5®. It is particularly suitable for the applications which require low fluorescence background. The absorption and emission wavelength of the dye exhibit significant tissue penetration, so Cyanine5.5 is suitable for in vivo NIR imaging applications.
結(jié)構(gòu)式：
產(chǎn)品信息：
General properties
| Appearance: | dark blue powder |
| Molecular weight: | 669.73 |
| Molecular formula: | C40H46Cl2N4O |
| Solubility: | moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols) |
| 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: | 684 |
| ε, L⋅mol−1⋅cm−1: | 209000 |
| Emission maximum, nm: | 710 |
| Fluorescence quantum yield: | 0.2 |
| CF260: | 0.07 |
| CF280: | 0.03 |
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Cy系列的相關(guān)產(chǎn)品：
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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
炔烴 dye alkynes
cyanine3 alkyne
cyanine5 alkyne
cyanine5.5 alkyne
cyanine7 alkyne
cyanine7.5 alkyne
sulfo-cyanine3 alkyne
sulfo-cyanine5 alkyne
疊氮化物 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
馬來酰亞胺 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
馬來酰亞胺 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
Cyanine5.5 hydrazide，羰基染料Cy5.5酰肼
