CAS 13750-81-7 appears in our catalog under these names: 1-Methylimidazole-2-carbaldehyde, 97%, 1–Methyl–2–imidazolecarboxaldehyde, 1-Methylimidazole-2-carboxaldehyde, 98% , 1-Methyl-2-imidazolecarboxaldehyde, 1-Methylimidazole-2-carboxaldehyde, >98.0%(GC). Offered by: Combi-blocks, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI. Available pack sizes: 10g, 5g, 25g, 100g, 1g, 250mg.