DusQ 21 NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 28D20 | 5 mg | – | in stock | |
| 48D20 | 25 mg | $315 | in stock | |
| 68D20 | 100 mg |
$885
|
in stock |
DusQ 21 is a dark quencher used as an acceptor in FRET applications, it has absorption maximum 656 nm, and can be used in multiplex assays due to the lack of secondary fluorescence. It is a quencher of choice for pairing with fluorescent dyes that emit in the red and near-infrared part of the range. DusQ 21 NHS ester derivative is used for labeling with the primary amines of amine-containing molecules. It can be used for quenching of many fluorophores, including Cyanine5, Cyanine5.5, AF 647.
Absorption spectrum of DusQ 21
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Functionalized DusQ 1 quencher derivative with quenching range from 480 - 580 nm for labeling of amine-containing molecules.BTTAA ligand
BTTAA is the newest generation of water-soluble ligands for the copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) that dramatically accelerates reaction rates and suppresses cell cytotoxicity.General properties
| Appearance: | dark purple powder |
| Molecular weight: | 815.35 |
| CAS number: | 304014-13-9 |
| Molecular formula: | C45H39ClN4O7S |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 656 |
| ε, L⋅mol−1⋅cm−1: | 72800 |
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