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AF 555 carboxylic acid

貨號 數量 價格 交貨時間
1K890 1 mg $125 現貨
2K890 5 mg $325 現貨
4K890 25 mg $950 現貨
5K890 50 mg $1625 現貨
6K890 100 mg $2090 現貨
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AF 555 is a hydrophilic fluorophore with high fluorescence quantum yield and high photostability, an alternative to tetramethylrhodamine (TAMRA, TMR) or Cyanine3 dyes.

AF 555 carboxylic acid is a non-reactive form of AF 555 dye that can be used as a reference standard in experiments involving AF 555 dye conjugates. Besides, the carboxylic group can react with hydrazines, hydroxylamines, and amines using carbodiimides such as EDAC.

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TAMRA carboxylic acid, 5-isomer

Non-reactive form of TAMRA fluorescent dye with a free carboxyl group. Pure 5-isomer.

AF 647 carboxylic acid

AF 647 carboxylic acid is a water-soluble dye that can be used as a reference standard for dye conjugates and the synthesis of AF647-containing biomolecules.

AF 594 carboxylic acid

Non-reactive form of AF 594 fluorescent dye with a free carboxyl group.

General properties

Appearance: green red powder
Molecular weight: 961.29
Molecular formula: C35H43K3N2O14S4
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. Avoid prolonged exposure to light.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 552
ε, L⋅mol−1⋅cm−1: 152000
Emission maximum, nm: 566
Fluorescence quantum yield: 0.14
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