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sulfo-Cyanine7.5 dimethyl
目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
---|---|---|---|---|
1243-25mg | 25 mg | – | 现货 | |
1243-100mg | 100 mg | $500 | 现货 | |
1243-500mg | 500 mg | $1400 | 现货 | |
1243-1g | 1 g | 请查询 | 现货 | |
1243-5g | 5 g | 请查询 | 现货 |
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. |
安全数据表(MSDS): | 下载 |
产品规格 |
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 |
商品数量不正确.