CAS Number: 80621-88-1
Chemical Name: Desacetyl Rifaximin
Molecular Formula: C41H49N3O10
Molecular Weight: 743.84

CAS Number: 59264-04-9
Chemical Name: Rifamycin R
Molecular Formula: C37H45NO13
Molecular Weight: 711.76

CAS Number: 80621-81-4
Chemical Name: Rifaximin
Molecular Formula: C43H51N3O11
Molecular Weight: 785.88

CAS Number: 695-34-1
Chemical Name: 4-Methylpyridin-2-amine
Molecular Formula: C6H8N2
Molecular Weight: 108.14

CAS Number: 13929-35-6
Chemical Name: Rifamycin B
Molecular Formula: C39H49NO14
Molecular Weight: 755.80

CAS Number: 6998-60-3
Chemical Name: Rifamycin SV
Molecular Formula: C37H47NO12
Molecular Weight: 697.77

CAS Number: NA
Chemical Name: Rifaximin Y
Molecular Formula: C43H49N3O12
Molecular Weight: 799.88

CAS Number: 13553-79-2
Chemical Name: Rifamycin S
Molecular Formula: C37H45NO12
Molecular Weight: 695.25

CAS Number: 14487-05-9
Chemical Name: Rifamycin O
Molecular Formula: C39H47NO14
Molecular Weight: 753.79

CAS Number: 80621-76-7
Chemical Name: 6-O,14-Didehydro-Rifaximin
Molecular Formula: C43H49N3O11
Molecular Weight: 783.86

CAS Number: 1210022-90-4
Chemical Name: 16-Desmethyl-16-(hydroxymethyl)rifaximin
Molecular Formula: C43H51N3O12
Molecular Weight: 801.90

CAS Number: 51963-55-4
Chemical Name: Rifaximin Imine-N-Oxide
Molecular Formula: C43H58N4O13
Molecular Weight: 838.94

CAS Number: NA
Chemical Name: Rifaximin Impurity D and Rifaximin Impurity H Mixture
Molecular Formula: C43H49N3O12; C43H51N3O12
Molecular Weight: 799.88; 801.90

CAS Number: 1262992-43-7
Chemical Name: Rifaximin-d6
Molecular Formula: C43H45D6N3O11
Molecular Weight: 791.92