IPTG, min. 99 %, BioScience-Grade, dioxane-/animal-free, Molar mass (M) 238,30 g/mol, Flash point (flp) >110 °C, Storage temp. -20 °C, CAS No. [367-93-1], EG-Nr. 206-703-0, Empirical formula C9H18O5S