An anti- diarrheal drug, Rifaximin is an antibiotic. It hels in treating Irritable bowel syndrome. Rifaximin is a derivative of Rifamycin SV and a non-aminoglycoside semi-synthetic, nonsystemic antibiotic.Reference standards of Rifaximin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Rifaximin
Catalogue No.:PA 18 27000
CAS :
Molecular Formula : C43H51N3O11
Molecular Weight : 785.88
4-Methylpyridin-2-amine
Catalogue No.:PA 18 27010
Molecular Formula : C6H8N2
Molecular Weight : 108.14
Rifamycin B
Catalogue No.:PA 18 27020
Molecular Formula : C39H49NO14
Molecular Weight : 755.80
Rifamycin SV
Catalogue No.:PA 18 27030
Molecular Formula : C37H47NO12
Molecular Weight : 697.77
Rifaximin Y
Catalogue No.:PA 18 27040
Molecular Formula : C43H49N3O12
Molecular Weight : 799.88
Rifamycin S
Catalogue No.:PA 18 27050
Molecular Formula : C37H45NO12
Molecular Weight : 695.25
Rifamycin O
Catalogue No.:PA 18 27060
Molecular Formula : C39H47NO14
Molecular Weight : 753.79
6-O,14-Didehydro-Rifaximin
Catalogue No.:PA 18 27070
Molecular Formula : C43H49N3O11
Molecular Weight : 783.86
16-Desmethyl-16-(hydroxymethyl)rifaximin
Catalogue No.:PA 18 27080
Molecular Formula : C43H51N3O12
Molecular Weight : 801.90
Rifaximin Imine-N-Oxide
Catalogue No.:PA 18 27510
Molecular Formula : C43H58N4O13
Molecular Weight : 838.94
Desacetyl Rifaximin
Catalogue No.:PA 18 27520
Molecular Formula : C41H49N3O10
Molecular Weight : 743.84
(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-25-(Acetyloxy)-6,21,23-trihydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-11-methylene-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-α]benzimidazole-1,5,15(2H,11H)-trione
Catalogue No.:PA 18 27530
(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-25-(Acetyloxy)-5,21,23-trihydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-11-methylene-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-α]benzimidazole-1,6,15(2H,11H)-trione
Catalogue No.:PA 18 27540
11-Desmethyl Rifaximin-d4
Catalogue No.:PA STI 028600
Molecular Formula : C42H45D4N3O11
Molecular Weight : 775.88
Rifaximin-d6
Catalogue No.:PA STI 078040
Molecular Formula : C43H45D6N3O11
Molecular Weight : 791.92
Rifamycin B (R0900000)
Catalogue No.:PA EPR0900000
Molecular Formula : NA
Molecular Weight : NA
Rifamycin S (R0950000)
Catalogue No.:PA EPR0950000
Rifaximin (Y0001074)
Catalogue No.:PA EPY0001074
Rifaximin for system suitability (Y0001075)
Catalogue No.:PA EPY0001075
Rifamycin R
Catalogue No.:PA 18 0271000
Molecular Formula : C37H45NO13
Molecular Weight : 711.76
Rifaximin Impurity D and Rifaximin Impurity H Mixture
Catalogue No.:PA 18 0271001
Molecular Formula : C43H49N3O12; C43H51N3O12
Molecular Weight : 799.88; 801.90
4-Methylpyridin-6-d-2-amine
Catalogue No.:PA STI 089323
Molecular Formula : C6H7DN2
Molecular Weight : 109.15
Rifamycin SV Sodium Salt
Catalogue No.:PA 18 0270031
Molecular Formula : C37H46NNaO12
Molecular Weight : 719.75
25-Desacetyl Rifamycin-O
Catalogue No.:PA 18 0271002
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