CAS 591-64-0 appears in our catalog under these names: Calcium levulinate dihydrate, 98%, Calcium 4–oxopentanoate, Calcium levulinate, 98%, 98%, Calcium 4-oxopentanoate. Offered by: Combi-blocks, GLPBio, Chemat, MedChemExpress. Available pack sizes: 5g, 100g, 25g, 1g, Get quote.