5-(and-6)-Carboxyrhodamine 110-X (full name: 5-(and-6)-Carboxyrhodamine 110-X, hydrochloride) is similar to 5-(and-6)-carboxyrhodamine 110. The X linker molecule is useful to reduce the interaction between the dye and the molecule to be labeled.        &lamba;Ex/&lamba;Em (MeOH) = 502/524 nm    Orange red solid soluble in water, DMF or DMSO    Store at 4°C and protect from light    C28H30ClN3O6    MW:524