Medchemexpress LLC TO-PRO-3 iodide 671ug | 157199-63-8 | 671.42 g·mol⁻¹ | C26H31I2N3S | 671 UG

Supplier:  Medchemexpress LLC HY117070671UG

TO-PRO-3 iodide is a far-red monomeric cyanine nucleic acid stain that selectively binds nucleic acids and produces bright nuclear fluorescence in fixed or membrane-compromised cells.

• Provides bright far-red nuclear staining with excitation ≈642 nm and emission ≈661 nm.
• Is cell-impermeant and useful as a viability marker and nuclear counterstain.
• Is suitable for flow cytometry, fluorescence microscopy, and chromosome staining.
• Is supplied as a DMSO solution for convenient dilution to working concentrations.
• Offers high fluorescence enhancement upon nucleic acid binding for sensitive detection.
• Is provided in a small vial format (e.g., 671 μg, 5 mM x 200 μL) for research use.

Catalog No. 50-002-29411