CAS 672323-32-9 appears in our catalog under these names: 4H,6H-pyrazolo[1,5-a]pyrimidine-5,7-dione, 96%, Pyrazolo(1，5–a)pyrimidine–5，7(4H，6H)–dione, Pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione, 97%, 97%, Pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione, 97%. Offered by: Combi-blocks, GLPBio, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 25g, 100g, 1g, 250mg.