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DusQ 3 NHS ester
| 目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
|---|---|---|---|---|
| 23D20 | 5 mg | – | 现货 | |
| 43D20 | 25 mg | $315 | 现货 | |
| 53D20 | 50 mg |
$580
|
现货 | |
| 63D20 | 100 mg |
$885
|
现货 |
DusQ 3 NHS ester is a dark, far-red nonfluorescent DusQ 3 derivative for labeling with the primary amines of proteins, modified oligonucleotides. The labeling with covalent amide bond occurs most efficiently at pH 7-9.
DusQ 3 is used as an acceptor for preparation of fluorogenic dual-labeled probes, for qPCR, sequencing and other fluorescence-quenched system applications.
Due to quenching range characterised as 620-730 nm DusQ 3 is useful as an acceptor in fluorescence resonance energy transfer (FRET) combined with far-red to near-IR emitting dyes such as Cyanine5, Cyanine5.5, AF 647.
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FAM azide, 6-isomer
FAM (fluorescein) azide, 6-isomer is a commonly used fluorescent dye azide for сlick сhemistry.DusQ 2 CPG 500
Controlled pore glass (CPG) 500 modified support for the synthesis of oligonucleotides with DusQ 2 quencher at the 3’ end. Compatible with standard deblocking conditions.
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TFA-amino modifier CPG 500
TFA-amino modifier CPG for oligo synthesis. 500 Å, high load controlled pore glass.General properties
| Appearance: | dark powder |
| Molecular weight: | 817.77 |
| Molecular formula: | C39H42N7O4 |
| Solubility: | good in DMF, DMSO |
| 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. Avoid prolonged exposure to light. |
| 安全数据表（MSDS）: | 下载 |
| 产品规格 |
Spectral properties
| Excitation/absorption maximum, nm: | 657 |
| ε, L⋅mol−1⋅cm−1: | 45500 |
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