Description

AF 647 NHS ester appears as a blue powder and can exist as a solid or liquid, depending on the molecular weight of PEG. Its molecular formula is C₃₉H₄₄N₃O₁₆S₄, with a molecular weight of 939.03. This chemical should be stored at -20°C, protected from light and moisture.

Chemical Properties and Uses

AF 647 NHS ester has specific spectral properties and is an active ester that can react with amines, allowing it to covalently bind to biomolecules such as proteins and peptides. It is widely used in protein labeling, metabolic analysis, nucleic acid staining, and the preparation of fluorescent probes.

Precautions

• Packaging: Available in various sizes; small quantities are packaged in aluminum bags or self-sealing bags.
• Solubility: Generally soluble in most organic solvents and in water.
• Storage Conditions: Should be sealed and kept away from light in a cool, dry, and well-ventilated area.
• Usage Notes: Ensure dryness when handling; avoid frequent dissolution and freeze-thaw cycles.
• Non-medical Use: Intended for scientific research or industrial applications only; not for medicinal or food use.