Medchemexpress LLC Cy3 NHS ester | 1393363-07-9 | MFCD28505569 | 99.5% | 590.15 g/mol | C34H40ClN3O4 | 5 MG

Supplier:  Medchemexpress LLC HY1124985MG

Cy3 NHS ester is a cyanine-based fluorescent labeling reagent that reacts with primary amines to covalently label proteins, peptides, antibodies, and small molecules for fluorescence imaging and detection. Supplied as a solid with high purity and good DMSO solubility, it is designed for reliable bioconjugation workflows and fluorescence-based assays.

• Reactive NHS ester for efficient amine coupling.
• Strong fluorescence with excitation ≈550 nm and emission ≈570 nm.
• High purity suitable for sensitive bioconjugation.
• Soluble in DMSO (about 125 mg/mL) for easy stock preparation.
• Stable when stored protected from light at -20°C; in solution, store at -80°C for long-term.

Catalog No. 50-002-64012