(1S,2S)-1,2-Di(4'-methoxyphenyl)-1,2-diaminoethane CAS No.: 58520-03-9 Formula: C16H20N2O2 Formula Weight: 272.34 Appearance: White or pale yellow needle-like crystal Structure: Chemical purity: ≥ 98.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=-76.0 ~ -79.0o ((c=1.0, CHCl3)