Cyanine5.5 phosphoramidite
目录号 | 数量 | 价格 | 提前通知时间 | 购买此产品 |
---|---|---|---|---|
2680-100mg | 100 mg | – | 现货 | |
2680-250mg | 250 mg | $290 | 现货 | |
2680-1g | 1 g | $950 | 现货 | |
2680-10g | 10 g | 请查询 | 5 天 |
Cyanine5.5 is a fluorophore with the emission in far-red range of the spectrum. This dye is useful for multiplex qPCR. Commercial six-channel qPCR instruments often have a channel for Cyanine5.5.
This phosphoramidite can be used for the synthesis of 5'-labeled oligonucleotides by direct labeling in oligonucleotide synthesizer.
The structure of phosphoramidite functional group that is attached to a secondary carbon atom provides extra stability against Arbuzov rearrangement. This helps maintaining coupling performance over a longer storage time in oligonucleotide synthesizer, compared to phosphoramidites derived of primary alcohols.
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Copper(II)-TВTA catalytic buffer, 1.5x
Ready-to-use catalytic buffer containing сopper(II) and TBTA ligand. It is suitable for click chemistry modification of nucleic acids and small molecules.General properties
Appearance: | dark colored solid |
Molecular weight: | 916.61 |
Molecular formula: | C55H71N5ClO3P |
Quality control: | NMR 1H, 31P, HPLC-MS (85%) |
Storage conditions: | Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
安全数据表(MSDS): | 下载 |
产品规格 |
Spectral properties
Excitation/absorption maximum, nm: | 694 |
ε, L⋅mol−1⋅cm−1: | 198000 |
Emission maximum, nm: | 710 |
Fluorescence quantum yield: | 0.2 |
CF260: | 0.07 |
CF280: | 0.03 |
Oligo synthesis details
Diluent: | acetonitrile |
Coupling conditions: | 6 min coupling time recommended |
Deprotection conditions: | recommended 48 h at +4°C or ultramild protective groups; 24 h at rt possible |