CAS 3541-37-5 1-Benzothiophene-2-carbaldehyde Chemical Report & Database ... : 1-Benzothiophene-2-carbaldehyde: 1-Benzothiophene-2-carbaldehyde; Benzo[b]thiophene-2-carboxaldehyde; Thianaphthene-2-carboxaldehyde Synonyms: Benzo[b]thiophene-2-carboxaldehyde; Thianaphthene-2-carboxaldehyde Chemical Registry number ...