Hoechst 33342 trihydrochloride Product Catalog # Size Price (USD) Quantity Hoechst 33342 trihydrochloride240802-500MG500 mg$400.00 - Hoechst 33342 trihydrochloride-500mg quantity + Hoechst 33342 trihydrochloride240802-1G1 g$600.00 - Hoechst 33342 trihydrochloride-1g quantity + Hoechst 33342 trihydrochloride240802-5G5 g$1,800.00 - Hoechst 33342 trihydrochloride-5g quantity + Add to cart Description CAS #: 23491-52-3 Molecular Formula: C27H28N6O.3HCl Molecular Weight: 561.9