Rifampicin EP Impurity B (Rifampicin N-Oxide)
CAS No. 125833-03-6
C43H58N4O13
M.W. 838.95

Rifampicin EP Impurity A (Rifampicin Quinone)
CAS No. 13983-13-6
C43H56N4O12
M.W. 820.94

25-Deacetyl-23-Acetyl Rifampicin
CAS No. 1416773-23-3
C43H58N4O12
M.W. 822.95

N-Desmethyl Rifampicin
CAS No. 13292-45-0
C42H56N4O12
M.W. 808.93

25-Deacetyl-21-Acetyl Rifampicin
CAS No. 1416773-22-2
C43H58N4O12
M.W. 822.95

Rifampicin Impurity 1 (Mixture of Z and E Isomers)
CAS No. 13292-53-0
C44H52N4O13
M.W. 844.92

Rifampicin Impurity 9
CAS No. 1348255-40-2
C42H56N4O12
M.W. 808.93

Rifampicin-13C-d3
CAS No. 13292-46-1 (non-labelled)
C43H55N4O12D3
M.W. 826.97

25-Desacetyl Rifampicin-d4
CAS No. 16783-99-6 (non-labelled)
C41H52D4N4O11
M.W. 784.94

Rifampicin Impurity 10
C43H56N4O13
M.W. 836.94
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