post date: dec 16,2021 expiry date: jun 14,2022 detailed description: cas no. :7697-46-3 cas registry number: 7697-46-3 synonyms: ;2-benzoylpyrroline;phenyl(1h-pyrrol-2-yl)methanone; molecular formula: c11h9no molecular weight: 171.1953 molecular structure: