AF 647 carboxylic acid
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 16890 | 1 mg | $140 | in stock | |
| 26890 | 5 mg |
$420
|
in stock | |
| 46890 | 25 mg |
$1365
|
in stock | |
| 56890 | 50 mg |
$1790
|
in stock | |
| 66890 | 100 mg |
$2640
|
in stock |
AF 647 is a bright, photostable, and hydrophilic fluorophore emitting in the far-red channel (absorption max. is at 650 nm, emission max. is at 671 nm). AF 647 carboxylic acid is a water-soluble dye that can be used as a reference standard and, after activation, for synthesizing AF 647-containing biomolecules.
Absorption and emission spectra of AF 647
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| Appearance: | golden blue solid |
| Molecular weight: | 959.26 |
| Molecular formula: | C35H41N2K3O14S4 |
| IUPAC name: | 3-(4-carboxybutyl)-2-((1E,3E)-5-((E)-3,3-dimethyl-5-sulfonato-1-(3-sulfonatopropyl)indolin-2-ylidene)penta-1,3-dien-1-yl)-3-methyl-1-(3-sulfonatopropyl)-3H-indol-1-ium-5-sulfonate |
| Solubility: | good in DMSO, water |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 655 |
| ε, L⋅mol−1⋅cm−1: | 191800 |
| Emission maximum, nm: | 680 |
| Fluorescence quantum yield: | 0.15 |
| CF260: | 0.09 |
| CF280: | 0.08 |
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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