3,8-diamino-5-methyl-6-phenylphenanthridinium bromide; CAS No.: 518-67-2; 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide. PROPERTIES: 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide is a crystalline solid. Its molecular formula is C19H18BrN3, and the molecular weight is approximately 380.30 g/mol. The compound has a melting point of approximately 250-252 C. It is moderately soluble in water and commonly used in the form of its bromide salt. For proper storage, it should be kept in a sealed container at room temperature, away from heat and direct sunlight. As a compound containing a phenanthridine ring, two amine groups, a methyl group, and a phenyl group, it may exhibit certain reactivity and stability. When handling it, protective gloves and eye protection should be worn. In case of accidental ingestion, medical attention should be sought immediately. APPLICATIONS: In organic synthesis, 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide serves as a versatile intermediate. The amine groups can undergo various reactions such as acylation, sulfonation, and diazotization. The phenanthridine ring provides unique electronic effects. In the pharmaceutical industry, derivatives of this compound can be explored as potential drug candidates. For example, in the development of certain anticancer drugs, the structure of 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide can be modified to enhance the drug's ability to target cancer cells and improve its therapeutic index (as described in medicinal chemistry research articles). Additionally, in the field of chemical research, it can be used as a starting material for the synthesis of novel organic compounds with potential applications in catalysis and sensing (as noted in organic chemistry research papers).