CAS 1073-31-0 appears in our catalog under these names: Thiophene–3,4–dicarbaldehyde, Thiophene-3,4-dicarbaldehyde, 3,4-Thiophenedicarboxaldehyde, >98.0%(GC), Thiophene-3,4-dicarbaldehyde 95%, THIOPHENE-3,4-DICARBALDEHYDE, 95%, 95%. Offered by: GLPBio, Biosynth, TCI, Ambeed, Chemat. Available pack sizes: 500mg, 1000mg, 5000mg, 100mg, 250mg, 1g, 5g.