Premium rhein 478-43-3 ISO9001:2008&GMP 20years experience in plant extract factory price SpecificationsRhein (1,8-Dihydroxy-3-Carboxy anthraquinone) CAS:478-43-3 EINECS: 207-521-4 Molecular formula:C15H7O6 MW:283.213 1,8-Dihydroxy-3-Carboxy anthraquinone; 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid; 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylateRhein CAS #: ...