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AMCA carboxylic acid
| 貨號 | 數量 | 價格 | 交貨時間 | 購買此產品 |
|---|---|---|---|---|
| 3357-25mg | 25 mg | $45 | 現貨 | |
| 3357-100mg | 100 mg | $95 | 現貨 | |
| 3357-1g | 1 g |
$490
|
現貨 |
AMCA (aminomethylcoumarin acetate) is one of the brightest blue fluorescent dyes. This fluorophore has a relatively large Stoke’s shift, high resistance to photobleaching, and pH-independent fluorescence from pH 4 to 10. AMCA is a widely used fluorophore for multiple-color labeling due to its minimal fluorescence overlap with green- and longer wavelength-emitting fluorescent dyes.
AMCA carboxylic acid is a non-reactive form of AMCA dye that can be used as a reference standard in experiments involving AMCA dye conjugates. Besides, the carboxylic group can react with hydrazines, hydroxylamines, and amines using carbodiimides such as EDAC.
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AF 555 carboxylic acid
Non-reactive form of AF 555 fluorescent dye with a free carboxyl group.AF 488 carboxylic acid
AF 488 carboxyl derivative can be used as a reference standard or for synthesizing various AF488 esters.General properties
| Appearance: | off-white solid |
| Molecular weight: | 233.22 |
| Molecular formula: | C12H11NO4 |
| Solubility: | good in DMSO, DMF |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 24 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: | 348 |
| ε, L⋅mol−1⋅cm−1: | 17400 |
| Emission maximum, nm: | 435 |
| Fluorescence quantum yield: | 0.91 |
| CF260: | 0.16 |
| CF280: | 0.13 |
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