N1, N12-Diethylspermine . tetrahydrochloride Inhibits polyamine synthesis Potent antineoplastic activity. Inhibits polyamine synthesis and the synthesis of mitochnondrial DNA. Product Specification Formula: C14H34N4 . 4HCl MW: 404.3 CAS: 113812-15-0 Purity: ≥98% (TLC) Identity: Determined by 1H-NMR. Appearance: White crystalline solid. Solubility: Soluble in water. Long Term Storage: -20°C Use/Stability: Store, as supplied, at -20°C for up to 1 year. Store solutions at -20°C for up to 3 months.