Thank you for your response. I am looking for long term business relationship. CAS NO :- 218600-44-3 (2-Cyano-3,12-dioxyooleana-1,19(11)-diene-28oic acid)So please quote me best price for 5- 10 gm CDDO acid of>90% purity and of HPLC grade. As I am researcher I want for research purpose and I want within short duration. So please reply as soon as possible. I will provide Institute letter for your reference..Thanking you With warm regards and anticipation "pragnesh Maniya" <p_maniya@yahoo.co.in>