Hoechst 33258 trihydrochloride Product Catalog # Size Price (USD) Quantity Hoechst 33258 trihydrochloride240801-500MG500 mg$400.00 - Hoechst 33258 trihydrochloride-500mg quantity + Hoechst 33258 trihydrochloride240801-1G1 g$600.00 - Hoechst 33258 trihydrochloride-1g quantity + Hoechst 33258 trihydrochloride240801-5G5 g$1,800.00 - Hoechst 33258 trihydrochloride-5g quantity + Add to cart Description CAS #: 23491-45-4 Molecular Formula: C25H24N6O.3HCl Molecular Weight: 533.9