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DusQ® 21 CPG 500

CPG改性固体载体 DusQ® 21

目录号	数量	价格	提前通知时间	购买此产品
3151-100mg	100 mg	–	现货
3151-1g	1 g	$990	现货

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DusQ® 21 is a quencher for the dyes in far red region of the spectrum. The dye is a xanthene derivative, unlike DusQ 1 or DusQ 2, that are azo dyes. It has a high extinction coefficient, and provides an outstanding quenching efficiency.

The controlled pore glass solid support allows to synthesize oligonucleotides carrying the dye moiety on 3’-terminus.

We recommend the use of ultramild, phenoxyacetyl protected monomers. As an alternative, post-synthetic labeling using NHS ester of DusQ 21 quencher can be used.

Usage

Coupling: Standard conditions identical to normal nucleobases.

Deprotection: 2 hours at room temperature using concentrated ammonia or potassium carbonate K₂CO₃ (50 mM solution in methanol).

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TFA-氨基改性剂 CPG 500 (TFA-amino modifier CPG 500)

用于寡核苷酸合成的 TFA-氨基修饰剂 CPG。 500 Å，高负载可控孔径玻璃。

General properties

Appearance:	dark blue beads
Quality control:	¹H NMR of bound reagent, coupling testing with HPLC-MS
Storage conditions:	24 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:	656
ε, L⋅mol⁻¹⋅cm⁻¹:	72800

Oligo synthesis details

Pore size, Å:	500
Typical loading, umol/g:	50−80

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.