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sulfo-Cyanine7.5 dimethyl
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 1243-25mg | 25 mg | – | 現貨 | |
| 1243-100mg | 100 mg |
$500
|
現貨 | |
| 1243-500mg | 500 mg |
$1400
|
現貨 | |
| 1243-1g | 1 g | 請查詢 | 現貨 | |
| 1243-5g | 5 g | 請查詢 | 現貨 |
sulfo-Cyanine7.5 dimethyl is a non-functionalized, water-soluble cyanine dye with bright near-infrared fluorescence. The dye possesses an extremely high molar absorption coefficient, making it a useful near infrared label for technical applications.
General properties
| Appearance: | green powder |
| Molecular weight: | 983.30 |
| Molecular formula: | C40H37K3N2O12S4 |
| Solubility: | good in water, DMF, DMSO, low in most 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. |
| MSDS: | 下載 |
| 產品規格 |
Spectral properties
| Excitation/absorption maximum, nm: | 778 |
| ε, L⋅mol−1⋅cm−1: | 222000 |
| Emission maximum, nm: | 797 |
| Fluorescence quantum yield: | 0.21 |
| CF260: | 0.09 |
| CF280: | 0.09 |
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