TLC Standards
      
Products List (Parent drug: RIFABUTIN)
Rifabutin-d7
CAS No. 72559-06-9 (non-labelled)
C46H55N4O11D7 M.W. 854.07
R-331
Rifabutin-d7
25-O-desacetyl-23-Acetyl-Rifabutin (Possibly a mixture with API)
C46H62N4O11 M.W. 847.03
R-332
25-O-desacetyl-23-Acetyl-Rifabutin (Possibly a mixture with API)
Rifabutin EP Impurity E (25-O-Desacetyl Rifabutin)
CAS No. 100324-63-8
C44H60N4O10 M.W. 804.98
R-333
Rifabutin EP Impurity E (25-O-Desacetyl Rifabutin)
Rifabutin EP Impurity E-d7
CAS No. 1294503-48-2 (non-labelled)
C44H53N4O10D7 M.W. 812.03
R-334
Rifabutin EP Impurity E-d7
Rifabutin
CAS No. 72559-06-9
C46H62N4O11 M.W. 847.03
R-335
Rifabutin
Rifabutin EP Impurity B (3-Amino Rifamycin S)
CAS No. 51756-80-0
C37H46N2O12 M.W. 710.78
R-336
Rifabutin EP Impurity B (3-Amino Rifamycin S)
Rifabutin EP Impurity C (21,31-Didehydro Rifabutin)
C46H60N4O11 M.W. 845.01
R-337
Rifabutin EP Impurity C (21,31-Didehydro Rifabutin)
Rifabutin EP Impurity D (3-Amino-4-Imido Rifamycin S)
CAS No. 62041-01-4
C37H47N3O11 M.W. 709.79
R-338
Rifabutin EP Impurity D (3-Amino-4-Imido Rifamycin S)