CAS 52893-00-2 appears in our catalog under these names: Ethyl 7-hydroxy[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate, 95%, Ethyl 7-hydroxy-(1,2,4)triazolo(1,5-a)pyrimidine-6-carboxylate, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g, 250mg.