DDTT Sulfurizing Reagent
| 目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
|---|---|---|---|---|
| 3179-1g | 1 g | – | 现货 | |
| 3179-5g | 5 g | $245 | 现货 | |
| 3179-25g | 25 g |
$1150
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| 3179-50g | 50 g |
$1800
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| 3179-100g | 100 g | 请查询 | 现货 |
DDTT is a sulfurizing reagent used to prepare phosphorothioate linkages, which increase the stability and nuclease resistance of nucleic acids, especially of RNA. It is suitable for automated synthesizers employing standard phosphoramidites for a large-scale synthesis of oligonucleotides.
DDTT demonstrates faster kinetics and higher stability in solution, compared to other sulfurizing reagents such as tetraethylthiuram disulfide (TETD) and Beaucage reagent, respectively. DDTT is commonly applied as a 0.05 M or 0.1 M solution in pyridine/acetonitrile and has a lifetime of up to 6 months.
Usage
Coupling: Sulfurization step must come before capping step. The optimum sulfurizing time for DDTT Sulfurizing Reagent, 0.05 M solution in pyridine/acetonitrile: 1 min for DNA or 6 min for RNA.
Deprotection: standard conditions.
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Phosphate CPG 1000 solid support
Phosphate modifier CPG for the solid phase synthesis of long (up to 120mer) oligonucleotides containing 3 prime phosphate modification.磺基-Cyanine7.5 NHS酯 (sulfo-Cyanine7.5 NHS ester)
一种用于活体成像的水溶性近红外发射染料。 sulfo-Cyanine7.5 是吲哚菁绿 (ICG) 的类似物，具有较高的发射量子产率和连接臂。Cyanine3.5 NHS ester (Cyanine3.5 NHS酯)
Cyanine3.5染料NHS酯的衍生物。
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General properties
| Appearance: | lemon yellow crystals |
| Molecular weight: | 205.33 |
| CAS number: | 1192027-04-5 |
| Molecular formula: | C5H7N3S3 |
| 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. |
| 安全数据表（MSDS）: | 下载 |
| 产品规格 |
Oligo synthesis details
| Diluent: | acetonitrile |
| Coupling conditions: | standard coupling, identical to normal nucleobases |
| Deprotection conditions: | identical to protected nucleobases |
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