ATT 647N NHS ester
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 1E920 | 1 mg | $199 | 現貨 | |
| 2E920 | 5 mg |
$746
|
現貨 |
ATT 647N NHS ester is an amine-reactive dye for labeling various amine-containing molecules in an aqueous phase without using any organic co-solvent. This product is beneficial for the labeling of peptides and proteins that denature in the presence of organic co-solvents, as well as for proteins with low solubility.
ATT 647N is a rhodamine-based far-red fluorophore with strong molar absorption, high fluorescence quantum yield, and excellent thermal and photostability. ATT 647N fluorescence is independent of pH in the range of 2 to 11, which supports its application under diverse experimental conditions.
Unlike cyanine dyes, ATT 647N exhibits enhanced resistance to atmospheric ozone degradation, making it highly suitable for microarray and other high-precision applications such as single-molecule detection, super-resolution microscopy techniques (e.g., SIM and STED), flow cytometry (FACS), and fluorescence in situ hybridization (FISH).
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ATT 550 NHS 酯 (ATT 550 NHS ester)
水溶性 ATT 550 琥珀醯亞胺酯，用於標記水相中的各種含胺分子。AF 555 NHS ester
AF 555 NHS ester, a bright, photostable, and hydrophilic fluorescent dye for the yellow channel.AF 647 NHS 酯 (AF 647 NHS ester)
明亮的水溶性琥珀醯亞胺酯AF 647染料，用於蛋白質和抗體標記。
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General properties
| Appearance: | blue powder |
| Molecular weight: | 779.42 |
| CAS number: | 1199940-27-6 |
| Molecular formula: | C46H55ClN4O5 |
| Solubility: | DMSO, DCM, DMF, acetonitrile |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| MSDS: | 下載 |
| 產品規格 |
Spectral properties
| Excitation/absorption maximum, nm: | 644 |
| ε, L⋅mol−1⋅cm−1: | 105000 |
| Emission maximum, nm: | 662 |
| Fluorescence quantum yield: | 0.68 |
| CF260: | 0.08 |
| CF280: | 0.05 |
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