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HomeFluorescent DyeAF Dyes AF647 NHS Ester
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AF647 NHS Ester

Catalog #: AP13538
Name: AF647 NHS Ester
Chemical Formula: C39H44N3K3O16S4
Molecular Weight: 1056.33
CAS: 1620475-28-6
Purity: ≥92%
Availability: In Stock

AF647 NHS Ester

$140.00 – $2,480.00

AF647 NHS Ester, equivalent to Alexa Fluor 647, is a bright, far-red dye for labeling proteins, antibodies, and peptides. Optimized for 594 nm and 633 nm lasers, it delivers strong, stable fluorescence and high photostability, ideal for imaging and flow cytometry.

UnitPriceQuantity
1 mg$140
5 mg$450
25 mg$1460
50 mg$1890
100 mg$2480

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SKU: AP13538 Category: AF Dyes
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  • Description
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Description

AF647 NHS Ester (Alexa Fluor 647 NHS Ester equivalent) is a bright, far-red fluorescent dye designed for labeling proteins, peptides, antibodies, and amine-modified oligonucleotides. It excels in imaging and flow cytometry, providing stable, vivid fluorescence ideal for visualization.

Spectral Properties:

  • Excitation: 655 nm
  • Emission: 680 nm
  • Molar Extinction Coefficient: 191,800 L⋅mol⁻¹⋅cm⁻¹
  • Quantum Yield: 0.15

AF647 NHS Ester Key Features:

  • Bright Far-Red Fluorescence: Optimized for 594 nm and 633 nm lasers, it offers intense and stable signals.
  • High Solubility & pH Stability: Performs consistently from pH 4 to 10, making it versatile for various environments.
  • Efficient Conjugation: The NHS ester binds directly to primary amines on biomolecules, enhancing labeling with minimal effort.

Applications:

  • Bioconjugation: Label proteins, antibodies, and peptides easily, achieving high fluorescence and photostability.
  • Imaging & Flow Cytometry: Produces clear, reliable signals for research and diagnostics.
  • Better Performance: Outshines other red dyes in brightness and photostability, making it a top choice for detailed visualization tasks.

AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.

Shipping & Delivery
Ships within: 24 hours
Storage condition: -20 ° C
Shipping: Ambient Temperature

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