CAS# 149646-83-3. 100mg. (+)-6,6'-{[(1R,3R)-1,3-Dimethyl-1,3-propanediyl]bis(oxy)}bis[4,8-bis(t-butyl)-2,10-dimethoxy-bibenzo[d,f][1,3,2]dioxaphosphepin], min. 95% (R,R)-Chiraphite. MFCD06798296. Molecular Weight: 876.99. Molecular Formula: C49H66O10P2. Color/form: off-white pwdr. Strem# 15-1455. http://www.strem.com/catalog/v/15-1455/