rifaximin
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.
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[catalogue_number] => PA 18 27000
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[weight] => 785.88
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Catalogue No.:PA 18 27000
Molecular Formula : C43H51N3O11
Molecular Weight : 785.88
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[pname] => Rifaximin - Impurity B
[catalogue_number] => PA 18 27020
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[chemical_name] =>
[weight] => 755.80
[form] => C39H49NO14
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Catalogue No.:PA 18 27020
Molecular Formula : C39H49NO14
Molecular Weight : 755.80
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[pname] => Rifaximin - Impurity C
[catalogue_number] => PA 18 27030
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[chemical_name] =>
[weight] => 697.77
[form] => C37H47NO12
[cas] => 6998-60-3
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Catalogue No.:PA 18 27030
Molecular Formula : C37H47NO12
Molecular Weight : 697.77
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[pname] => Rifaximin - Impurity D
[catalogue_number] => PA 18 27040
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[weight] => 799.88
[form] => C43H49N3O12
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Catalogue No.:PA 18 27040
Molecular Formula : C43H49N3O12
Molecular Weight : 799.88
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[pname] => Rifaximin - Impurity E
[catalogue_number] => PA 18 27050
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[chemical_name] =>
[weight] => 695.25
[form] => C37H45NO12
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Catalogue No.:PA 18 27050
Molecular Formula : C37H45NO12
Molecular Weight : 695.25
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[pname] => Rifaximin - Impurity F
[catalogue_number] => PA 18 27060
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[weight] => 753.79
[form] => C39H47NO14
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Catalogue No.:PA 18 27060
Molecular Formula : C39H47NO14
Molecular Weight : 753.79
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[pname] => Rifaximin - Impurity G
[catalogue_number] => PA 18 27070
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Catalogue No.:PA 18 27070
Molecular Formula : C43H49N3O11
Molecular Weight : 783.86
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[pname] => Rifaximin - Impurity H
[catalogue_number] => PA 18 27080
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Catalogue No.:PA 18 27080
Molecular Formula : C43H51N3O12
Molecular Weight : 801.90
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[pname] => Rifaximin Imine-N-Oxide
[catalogue_number] => PA 18 27510
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[weight] => 838.94
[form] => C43H58N4O13
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Catalogue No.:PA 18 27510
Molecular Formula : C43H58N4O13
Molecular Weight : 838.94
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[pname] => Desacetyl Rifaximin
[catalogue_number] => PA 18 27520
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Catalogue No.:PA 18 27520
Molecular Formula : C41H49N3O10
Molecular Weight : 743.84
stdClass Object
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(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
Molecular Formula : C43H49N3O11
Molecular Weight : 783.86
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(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
Molecular Formula : C43H49N3O11
Molecular Weight : 783.86
stdClass Object
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[pname] => 11-Desmethyl Rifaximin-d4
[catalogue_number] => PA STI 028600
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11-Desmethyl Rifaximin-d4
Catalogue No.:PA STI 028600
Molecular Formula : C42H45D4N3O11
Molecular Weight : 775.88
stdClass Object
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[pname] => Rifaximin-d6
[catalogue_number] => PA STI 078040
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Catalogue No.:PA STI 078040
Molecular Formula : C43H45D6N3O11
Molecular Weight : 791.92
stdClass Object
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[pname] => Rifamycin R
[catalogue_number] => PA 18 0271000
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Catalogue No.:PA 18 0271000
Molecular Formula : C37H45NO13
Molecular Weight : 711.76
stdClass Object
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[pname] => Rifaximin Impurity D and Rifaximin Impurity H Mixture
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[weight] => 799.88; 801.90
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Rifaximin Impurity D and Rifaximin Impurity H Mixture
Catalogue No.:PA 18 0271001
Molecular Formula : C43H49N3O12; C43H51N3O12
Molecular Weight : 799.88; 801.90
stdClass Object
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[pname] => Rifaximin - Impurity C (Sodium Salt)
[catalogue_number] => PA 18 0270031
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Rifaximin - Impurity C (Sodium Salt)
Catalogue No.:PA 18 0270031
Molecular Formula : C37H46NNaO12
Molecular Weight : 719.75
stdClass Object
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Catalogue No.:PA 18 0271002
Molecular Formula : C37H45NO13
Molecular Weight : 711.76
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[catalogue_number] => PA 18 0271003
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27-O-Demethyl-25-O-desacetyl-rifamycin
Catalogue No.:PA 18 0271003
Molecular Formula : C34H43NO11
Molecular Weight : 641.71
stdClass Object
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27-O-Demethyl Rifamycin S
Catalogue No.:PA 18 0271004
Molecular Formula : C36H43NO12
Molecular Weight : 681.74
stdClass Object
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Catalogue No.:PA 18 0271005
Molecular Formula : C36H45NO12
Molecular Weight : 683.75
stdClass Object
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Rifamycin, 25-O-deacetyl-27-O-demethyl-1,4-dideoxy-1,4-dihydro-1,4-dioxo
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[pname] => Rifaximin - Impurity E (Sodium Salt)
[catalogue_number] => PA 18 0270051
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[form] => C37H45NNaO12
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Rifaximin - Impurity E (Sodium Salt)
Catalogue No.:PA 18 0270051
Molecular Formula : C37H45NNaO12
Molecular Weight : 718.75