CAS 28711-29-7 appears in our catalog under these names: 1,2,4-Triazole-1-acetic acid, 98%, Prothioconazole Impurity 13 , 2-(1h-1,2,4-Triazol-1-yl)acetic Acid, >95% (HPLC), 2-(1H-1,2,4-Triazol-1-yl)acetic acid 98%, 1H-1,2,4-Triazole-1-Acetic Acid, 97%, 97%. Offered by: Combi-blocks, Chemat Brand, TRC, Ambeed, Chemat. Available pack sizes: 1g, 10g, 25g, 100g, 5g, on request, 250mg, 500mg.