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AF 343 (Coumarin) X carboxylic acid
| 目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
|---|---|---|---|---|
| 12690 | 1 mg | $105 | 现货 | |
| 22690 | 5 mg | $165 | 现货 | |
| 42690 | 25 mg | $285 | 现货 | |
| 52690 | 50 mg |
$495
|
现货 | |
| 62690 | 100 mg |
$880
|
现货 |
AF 343 (Coumarin) is a blue-emitting fluorophore used as a laser dye. The fluorophore can serve as a FRET donor for FAM (fluorescein).
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Cyanine5 NHS 酯 (Cyanine5 NHS ester)
胺反应性 Cyanine5 活化酯，用于标记蛋白质、肽和其他分子。sulfo-Cyanine3 amine
Water soluble cyanine dye with bright fluorescence and high extinction coefficient. Contains an amino group for the conjugation with electrophiles and enzymatic transamination labeling.AF 343 (Coumarin) X azide
AF 343 (Coumarin) is a blue emitting fluorophore that can serve as a FRET donor for fluorescein (FAM). This azide derivative can be conjugated with alkynes by сlick chemistry. An extended linker arm between the fluorophore and the azide group enhances solubility and provides spatial separation between the dye and the biomolecule.General properties
| Appearance: | yellow crystals |
| 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. |
| 安全数据表（MSDS）: | 下载 |
| 产品规格 |
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 |
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