CAS Number:

Alternate CAS#:

Chemical Name: Desacetyl Rifaximin EP Impurity F(25-Deacetyl Rifamycin O)

Molecular Formula: C37H45NO13

Molecular Weight: 711.76

CAS Number: 80621-81-4

Alternate CAS#:

Chemical Name: Rifaximin

Molecular Formula: C43H51N3O11

Molecular Weight: 785.89

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 8

Molecular Formula: C41H56N4O12

Molecular Weight: 796.92

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 7

Molecular Formula: C43H58N4O13

Molecular Weight: 838.95

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 6

Molecular Formula: C43H58N4O13

Molecular Weight: 838.95

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 5

Molecular Formula: C40H50N4O9

Molecular Weight: 730.86

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 4

Molecular Formula: C40H54N4O11

Molecular Weight: 766.89

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 3

Molecular Formula: C42H56N4O12

Molecular Weight: 808.93

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifampicin Impurity 2

Molecular Formula: C41H56N4O12

Molecular Weight: 796.92

CAS Number: 13292-53-0

Alternate CAS#:

Chemical Name: Rifampicin Impurity 1 (Mixture of Z and E Isomers)

Molecular Formula: C44H52N4O13

Molecular Weight: 844.92

CAS Number: 125833-03-6

Alternate CAS#:

Chemical Name: Rifampicin EP Impurity B (Rifampicin N-Oxide)

Molecular Formula: C43H58N4O13

Molecular Weight: 838.95

CAS Number: 13983-13-6

Alternate CAS#:

Chemical Name: Rifampicin EP Impurity A (Rifampicin Quinone)

Molecular Formula: C43H56N4O12

Molecular Weight: 820.94