CAS 87572-02-9 appears in our catalog under these names: 7-(Chloromethyl)-5h-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one, 95%, 7-(Chloromethyl)-5H-(1,3,4)thiadiazolo(3,2-a)pyrimidin-5-one, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 5g, 1g, 250mg.