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- Coumarin 343 X carboxylic acid
Coumarin 343 X carboxylic acid
标签：Carboxylic acids, Coumarin 343
| 货号 | 规格 | 价格 | 货期 |
|---|---|---|---|
| 12690 | 1 mg | 110.00$ | in stock |
| 22690 | 5 mg | 210.00$ | in stock |
| 42690 | 25 mg | 410.00$ | in stock |
| 52690 | 50 mg | 695.00$ | in stock |
| 62690 | 100 mg | 1190.00$ | in stock |
Coumarin 343 is a blue emitting fluorophore used as a laser dye. The fluorophore can serve as a FRET donor for FAM (fluorescein).
香豆素 343 是一种蓝色荧光团，用作激光染料。 荧光团可作为 FAM（荧光素）的 FRET 供体。
Absorption and emission spectra of Coumarin 343
Coumarin 343 X carboxylic acid相关产品
Cyanine7 carboxylic acid
Non-reactive, near-infrared fluorescent dye.
非反应性近红外荧光染料。
Cyanine5.5 carboxylic acid
Cy5.5 unactivated free acid cyanine dye.
Cy5.5 未活化的游离酸性花青染料。
Sulfo-Cyanine3 carboxylic acid
Sulfo-Cyanine3 free unactivated monofunctional carboxylic acid, water-soluble dye.
Sulfo-Cy3 不含未活化的单官能羧酸，水溶性染料。
General properties
| Appearance: | yellow crystals 黄色晶体 |
| Molecular weight: | 398.45 |
| CAS number: | 946123-11-1 |
| Molecular formula: | C22H26N2O5 |
| IUPAC name: | 6-({4-Oxo-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-5-yl}carbonylamino)hexanoic acid |
| Solubility: | Well soluble in DMF, DMSO, moderately soluble in DCM, DCE, EtOAc, insoluble in diethyl ether. |
| 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.
储存：收到后 24 个月，在 -20°C 避光保存。 运输：在室温下长达 3 周。 避免长时间暴露在光线下。 干燥。 |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 437 |
| ε, L⋅mol−1⋅cm−1: | 39000 |
| Emission maximum, nm: | 477 |
| Fluorescence quantum yield: | 0.63 |
| CF260: | 0.29 |
| CF280: | 0.24 |