Rose-β-D-GlcU (6-Chloro-3-indolyl-β-D-glucuronide,cyclohexylammonium salt), also known as Salmon-β-D-GlcUA, is similar to X-GlcU, but the product of the substrate is a rose-colored (λmax ~ 540 nm) precipitate, which is easier to detect against the background of plant cells. White solid soluble in H2O or DMSO Store desiccated at 4°C and protect from light C20H27ClN2O7 MW: 442.9 [138182-20-4]