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AF 343 (Coumarin) X NHS ester

貨號 數量 價格 交貨時間
12620 1 mg $110 現貨
22620 5 mg $210 現貨
42620 25 mg $410 現貨
52620 50 mg $695 現貨
62620 100 mg $1190 現貨
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Blue emitting AF 343 (Coumarin) dye can form a FRET pair with fluorescein (FAM). An amine reactive form, activated NHS ester.

This amine-reactive NHS ester contains an aminohexanoyl linker between the fluorophore, and the reactive group. This linker provides better solubility and spatial separation between the fluorophore, and the target molecule being labeled.

This reagent can be used to design FRET based assays with FAM as acceptor, and to construct systems which harvest blue light energy.

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General properties

Appearance: yellow solid
Molecular weight: 495.52
CAS number: 946123-12-2
Molecular formula: C26H29N3O7
Solubility: good in DCM, DMSO, DMF
Quality control: NMR 1H, HPLC-MS (95%)
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.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 437
ε, L⋅mol−1⋅cm−1: 39000
Emission maximum, nm: 477
Fluorescence quantum yield: 0.63
CF260: 0.29
CF280: 0.24

產品引用

  1. Zheng, L.; Zhao, H.; Han, Y.; Qian, H.; Vukovic, L.; Mecinović, J.; Král, P.; Huck, W.T.S. Catalytic transport of molecular cargo using diffusive binding along a polymer track. Nature Chemistry, 2019, 11(4), 359–366. doi: 10.1038/s41557-018-0204-7
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