Synonyms21,31-Didehydro Rifabutin Close 21,31-Didehydro Rifabutin Related products Rifabutin-d7 M.F. M.W. 854.07 CAT# AR-R01539 CAS# 72559-06-9 (non-labelled) 25-O-desacetyl-23-Acetyl-Rifabutin M.F. M.W. 847.03 CAT# AR-R01540 CAS# 1242076-43-2 Rifabutin EP Impurity E M.F. M.W. 804.98 CAT# AR-R01541 CAS# 100324-63-8 Rifabutin EP Impurity E-d7 M.F. M.W. 812.03 CAT# AR-R01542 CAS# 1294503-48-2 (non-labelled) Rifabutin M.F. M.W. 847.03 CAT# AR-R01543 CAS# 72559-06-9 Rifabutin EP Impurity B M.F. M.W. 710.78 CAT# AR-R01544 CAS# 51756-80-0 Rifabutin EP Impurity C M.F. M.W. 845.01 CAT# AR-R01545 CAS# 2241829-23-0 Rifabutin EP Impurity D M.F. M.W. 709.79 CAT# AR-R01546 CAS# 62041-01-4