CAS Number: 1351775-03-5

Alternate CAS#:

Chemical Name: Rifaximin Impurity 2

Molecular Formula: C43H49N3O11

Molecular Weight: 783.88

CAS Number: 1351775-04-6

Alternate CAS#:

Chemical Name: Rifaximin Impurity 1

Molecular Formula: C43H49N3O11

Molecular Weight: 783.88

CAS Number: 51963-55-4

Alternate CAS#:

Chemical Name: Rifaximin Imine-N-Oxide

Molecular Formula: C43H58N4O13

Molecular Weight: 838.96

CAS Number: 80621-76-7

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity G

Molecular Formula: C43H49N3O11

Molecular Weight: 783.88

CAS Number: 14487-05-9

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity F (Rifamycin O)

Molecular Formula: C39H47NO14

Molecular Weight: 753.8

CAS Number: 13553-79-2

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity E (Rifamycin S)

Molecular Formula: C37H45NO12

Molecular Weight: 695.76

CAS Number: N/A

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity D

Molecular Formula: C43H49N3O12

Molecular Weight: 799.88

CAS Number: 6998-60-3

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity C (Rifamycin SV)

Molecular Formula: C37H47NO12

Molecular Weight: 697.79

CAS Number: 13929-35-6

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity B (Rifamycin B)

Molecular Formula: C39H49NO14

Molecular Weight: 755.82

CAS Number: 695-34-1

Alternate CAS#:

Chemical Name: Rifaximin EP Impurity A

Molecular Formula: C6H8N2

Molecular Weight: 108.14

CAS Number: 1262992-43-7

Alternate CAS#:

Chemical Name: Rifaximin-d6

Molecular Formula: C43H45D6N3O11

Molecular Weight: 791.93

CAS Number: 80621-81-4

Alternate CAS#:

Chemical Name: Rifaximin

Molecular Formula: C43H51N3O11

Molecular Weight: 785.89