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DusQ® 21 NHS ester

貨號 數量 價格 交貨時間
28D20 5 mg
– 
現貨
48D20 25 mg
$315
現貨
68D20 100 mg
$885
現貨
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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.

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AF 647 NHS 酯 (AF 647 NHS ester)

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末端炔烴用於銅催化的點擊化學。四甲基羅丹明 (TAMRA) 是一種羅丹明染料,在 qPCR 等應用中很受歡迎。 TAMRA 也是 FAM 的 FRET 受體。

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: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 656
ε, L⋅mol−1⋅cm−1: 72800
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