A membrane-impermeant nucleic acid intercalator.
The dye is commonly used to selectively stain dead cells in a cell population and also used as a counterstain in multicolour fluorescent imaging.
• Ex/ Em (DNA-bound) = 535/617 nm
• Ex/ Em (no DNA) = 493/636 nm
• Orange red solid soluble in H2O or DMSO
• Store at 4°C and protect from light, especially in solution
• C27H34I2N4
• MW: 668.4
• [25535-16-4]