CAS 176298-44-5 appears in our catalog under these names: (DHQD)2AQN, 1,4-Bis[(9S)-10,11-dihydro-6′-methoxycinchonan-9-yl]-9,10-anthracenedione 98%, 1,4-Bis[(9S)-10,11-dihydro-6'-methoxycinchonan-9-yl]-9,10-anthracenedione, 98%, 98%, (DHQD)2AQN, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g.