CAS 1770840-43-1 appears in our catalog under these names: Remdesivir Impurity 20, 4-Amino-7-iodopyrrolo(2,1-f)(1,2,4)triazine, 7-Iodopyrrolo[2,1-f][1,2,4]triazin-4-amine, >98.0%(HPLC)(T), 7-Iodopyrrolo[2,1-f][1,2,4]triazin-4-amine 97%, 4-Amino-7-iodopyrrolo[2,1-f][1,2,4]triazine, 98%, 98%. Offered by: Chemat Brand, Biosynth, TCI, Ambeed, Chemat. Available pack sizes: on request, 2g, 1g, 5g, 25g, 100g, 250g, 500g.