Medchemexpress, HY-105008 5mg Secoisolariciresinol diglucoside CAS:257930-74-8 Secoisolariciresinol diglucoside ((S,S)-SDG) is a major component of the lignans in flaxseed, scavenges free radical, with potent antioxidant activity. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.