Z-IETD-R110 is a substrate for caspase-8, which is involved at the early stage of apoptosis, acting as an initiator of the caspase activation cascade.<ul><li>Full name: Rhodamine 110, bis-(N-acetyl-L-isoleucyl-L-glutamyl-L-threonyl-L-aspartic acid amide</li><li>&lambda; _Ex/&lambda; _Em of end product (R110) = 496/520 nm</li><li>Off-white to pink solid soluble in DMSO</li><li>C₆₈H₈₂N₁₀O₂₄</li><li>MW: 1422</li></ul>