Piribedil
CAS Number: 3605-01-4
Molecular Formula: C16H18N4O2
Molecular Weight: 298.34

Rifampicin
CAS Number: 13292-46-1
Molecular Formula: C43H58N4O12
Molecular Weight: 822.94

Rifampicin Impurity 1
CAS Number: 13292-53-0
Molecular Formula: C44H52N4O13
Molecular Weight: 844.9

25-Deacetyl-23-acetyl RifaMpicin
CAS Number: 1416773-23-3
Molecular Formula: C43H58N4O12
Molecular Weight: 822.94

N-Demethyl Rifampin
CAS Number: 13292-45-0
Molecular Formula: C42H56N4O12
Molecular Weight: 808.91

Rifampicin EP Impurity A
CAS Number: 13983-13-6
Molecular Formula: C43H56N4O12
Molecular Weight: 820.92

Rifampicin EP Impurity B
CAS Number: 125833-03-6
Molecular Formula: C43H58N4O13
Molecular Weight: 838.94

Piribedil Impurity 15
CAS Number: 19971-72-3
Molecular Formula: C16H20N4O2
Molecular Weight: 300.36