2 &lamba; Abs (pH 7.5 buffer) = 646 nm (free dye) ; ~586 nm (dsDNA) ; ~531 nm (PNA-DNA) Dark solid soluble in DMSO or MeOH Store at 4°C C23H23IN2S2 MW: 518.48 &lamba; Abs (pH 7.5 buffer) = 646 nm (free dye) ; ~586 nm (dsDNA) ; ~531 nm (PNA-DNA) Abs~~ Dark solid soluble in DMSO or MeOH Store at 4°C C23H23IN2S2 232322 MW: 518.48