Nocodazole Microtubule inhibitor Synthetic reversible microtubule inhibitor. Product Specification Alternative Name: Methyl[5-(2-thienylcarbonyl)-1H-benzimidazol-2-yl]carbamate, R 17934 Formula: C14H11N3O3S MW: 301.3 CAS: 31430-18-9 Purity: ≥98% Appearance: Solid. White, off-white, orange and possibly even a brown/pink color. Hazard: MAY BE MUTAGENIC. Solubility: Soluble in DMSO (10mg/ml) or dimethyl formamide; almost insoluble in water. Long Term Storage: Ambient Use/Stability: Stable for at least 1 year after receipt when stored at +20°C. Stock solutions are stable for up to 3 months at -20°C.