CAS 76836-02-7 appears in our catalog under these names: PIPES disodium, Piperazine-1,4-bis(2-ethanesulfonic Acid) Disodium Salt [Good's buffer component for biological research], >98.0%(HPLC)(T), PIPES, disodium salt, 99%, PIPES disodium salt, 99.00%, Piperazine-1,4-bis(2-ethanesulfonic Acid) Disodium Salt 98%. Offered by: GLPBio, TCI, Thermo Scientific (Acros), Chemat, Ambeed. Available pack sizes: 500g, 25g, 100g, 250g, 1000g, 1kg, 500 g.