S-Trityl-L-cysteine Cell cycle blocker Potent, cell permeable cysteine thioether displaying anti-mitotic and anti-tumor properties. Inhibits mitosis by blocking basal and microtubule-activated ATPase activities of the mitotic kinesin Eg5 (IC50=1µM and 140nm). Induces mitotic arrest in HeLa cells (IC50=700nM) and inhibits the growth of NCI tumor cell line panel (GI50=1.31µM). Product Specification Alternative Name: NSC 83265, STLC Formula: C22H21NO2S MW: 363.5 CAS: 2799-07-7 RTECS: AY7710000 Appearance: White to off-white solid. Hazard: HARMFUL. Solubility: Soluble in DMSO or acetic acid Long Term Storage: -20°C |