Rifaximin-impurities | Pharmaffiliates

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
    [form] => C43H51N3O11
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PA 18 27000

Rifaximin - API Standards


  • Catalogue No.:PA 18 27000

  • CAS :

    80621-81-4

  • Molecular Formula : C43H51N3O11

  • Molecular Weight : 785.88

20 % OFF
stdClass Object
(
    [pname] => Rifaximin - Impurity B
    [catalogue_number] => PA 18 27020
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 755.80
    [form] => C39H49NO14
    [cas] => 13929-35-6
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PA 18 27020

Rifaximin - Impurity B


  • Catalogue No.:PA 18 27020

  • CAS :

    13929-35-6

  • Molecular Formula : C39H49NO14

  • Molecular Weight : 755.80

20 % OFF
stdClass Object
(
    [pname] => Rifaximin - Impurity E
    [catalogue_number] => PA 18 27050
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 695.25
    [form] => C37H45NO12
    [cas] => 13553-79-2
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PA 18 27050

Rifaximin - Impurity E


  • Catalogue No.:PA 18 27050

  • CAS :

    13553-79-2

  • Molecular Formula : C37H45NO12

  • Molecular Weight : 695.25

20 % OFF
stdClass Object
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    [pname] => Rifaximin - Impurity F
    [catalogue_number] => PA 18 27060
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 753.79
    [form] => C39H47NO14
    [cas] => 14487-05-9
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PA 18 27060

Rifaximin - Impurity F


  • Catalogue No.:PA 18 27060

  • CAS :

    14487-05-9

  • Molecular Formula : C39H47NO14

  • Molecular Weight : 753.79

20 % OFF
stdClass Object
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    [pname] => Rifaximin - Impurity G
    [catalogue_number] => PA 18 27070
    [category_ids] => ,69,75,78,70,82,
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    [weight] => 783.86
    [form] => C43H49N3O11
    [cas] => 80621-76-7
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PA 18 27070

Rifaximin - Impurity G


  • Catalogue No.:PA 18 27070

  • CAS :

    80621-76-7

  • Molecular Formula : C43H49N3O11

  • Molecular Weight : 783.86

20 % OFF
stdClass Object
(
    [pname] => Rifaximin - Impurity H
    [catalogue_number] => PA 18 27080
    [category_ids] => ,69,75,78,70,82,
    [chemical_name] => 
    [weight] => 801.90
    [form] => C43H51N3O12
    [cas] => 1210022-90-4
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PA 18 27080

Rifaximin - Impurity H


  • Catalogue No.:PA 18 27080

  • CAS :

    1210022-90-4

  • Molecular Formula : C43H51N3O12

  • Molecular Weight : 801.90

20 % OFF
stdClass Object
(
    [pname] => Rifaximin Imine-N-Oxide
    [catalogue_number] => PA 18 27510
    [category_ids] => 82,78,75,70,69
    [chemical_name] => 
    [weight] => 838.94
    [form] => C43H58N4O13
    [cas] => 51963-55-4
    [pslug] => 51963-55-4-rifaximin-Imine-n-oxide-pa1827510
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PA 18 27510

Rifaximin Imine-N-Oxide


  • Catalogue No.:PA 18 27510

  • CAS :

    51963-55-4

  • Molecular Formula : C43H58N4O13

  • Molecular Weight : 838.94

20 % OFF
stdClass Object
(
    [pname] => Desacetyl Rifaximin
    [catalogue_number] => PA 18 27520
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 743.84
    [form] => C41H49N3O10
    [cas] => 80621-88-1
    [pslug] => 80621-88-1-desacetyl-rifaximin-pa1827520
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PA 18 27520

Desacetyl Rifaximin


  • Catalogue No.:PA 18 27520

  • CAS :

    80621-88-1

  • Molecular Formula : C41H49N3O10

  • Molecular Weight : 743.84

20 % OFF
stdClass Object
(
    [pname] => Rifaximin - Impurity C (Sodium Salt)
    [catalogue_number] => PA 18 0270031
    [category_ids] => ,69,78,82,70,
    [chemical_name] => 
    [weight] => 719.75
    [form] => C37H46NNaO12
    [cas] => 14897-39-3
    [pslug] => 14897-39-3-rifaximin-impurity-c-sodium-salt-pa180270031
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PA 18 0270031

Rifaximin - Impurity C (Sodium Salt)


  • Catalogue No.:PA 18 0270031

  • CAS :

    14897-39-3

  • Molecular Formula : C37H46NNaO12

  • Molecular Weight : 719.75

stdClass Object
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    [pname] => Rifaximin - Impurity C
    [catalogue_number] => PA 18 27030
    [category_ids] => 69,78,82,70
    [chemical_name] => 
    [weight] => 697.77
    [form] => C37H47NO12
    [cas] => 6998-60-3
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PA 18 27030

Rifaximin - Impurity C


  • Catalogue No.:PA 18 27030

  • CAS :

    6998-60-3

  • Molecular Formula : C37H47NO12

  • Molecular Weight : 697.77

stdClass Object
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    [pname] => Rifaximin - Impurity D
    [catalogue_number] => PA 18 27040
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 799.88
    [form] => C43H49N3O12
    [cas] => NA
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PA 18 27040

Rifaximin - Impurity D


  • Catalogue No.:PA 18 27040

  • CAS :

    NA

  • Molecular Formula : C43H49N3O12

  • Molecular Weight : 799.88

stdClass Object
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    [pname] => (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_number] => PA 18 27530
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PA 18 27530

(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

  • CAS :

    1351775-04-6

  • Molecular Formula : C43H49N3O11

  • Molecular Weight : 783.86

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    [pname] => (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_number] => PA 18 27540
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PA 18 27540

(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

  • CAS :

    1351775-03-5

  • Molecular Formula : C43H49N3O11

  • Molecular Weight : 783.86

stdClass Object
(
    [pname] => 11-Desmethyl Rifaximin-d4
    [catalogue_number] => PA STI 028600
    [category_ids] => ,69,78,70,82,98,
    [chemical_name] => 
    [weight] => 775.88
    [form] => C42H45D4N3O11
    [cas] => 1316302-12-1
    [pslug] => 1316302-12-1-11-desmethyl-rifaximin-d4-pasti028600
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PA STI 028600

11-Desmethyl Rifaximin-d4


  • Catalogue No.:PA STI 028600

  • CAS :

    1316302-12-1

  • Molecular Formula : C42H45D4N3O11

  • Molecular Weight : 775.88

stdClass Object
(
    [pname] => Rifaximin-d6
    [catalogue_number] => PA STI 078040
    [category_ids] => ,98,78,70,82,
    [chemical_name] => 
    [weight] => 791.92
    [form] => C43H45D6N3O11
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PA STI 078040

Rifaximin-d6


  • Catalogue No.:PA STI 078040

  • CAS :

    1262992-43-7

  • Molecular Formula : C43H45D6N3O11

  • Molecular Weight : 791.92

20 % OFF
stdClass Object
(
    [pname] => Rifamycin R
    [catalogue_number] => PA 18 0271000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 711.76
    [form] => C37H45NO13
    [cas] => 59264-04-9
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PA 18 0271000

Rifamycin R


  • Catalogue No.:PA 18 0271000

  • CAS :

    59264-04-9

  • Molecular Formula : C37H45NO13

  • Molecular Weight : 711.76

stdClass Object
(
    [pname] => Rifaximin Impurity D and Rifaximin Impurity H Mixture
    [catalogue_number] => PA 18 0271001
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 799.88; 801.90
    [form] => C43H49N3O12; C43H51N3O12
    [cas] => NA
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PA 18 0271001

Rifaximin Impurity D and Rifaximin Impurity H Mixture


  • Catalogue No.:PA 18 0271001

  • CAS :

    NA

  • Molecular Formula : C43H49N3O12; C43H51N3O12

  • Molecular Weight : 799.88; 801.90

stdClass Object
(
    [pname] => 25-Desacetyl Rifamycin-O
    [catalogue_number] => PA 18 0271002
    [category_ids] => ,69,78,70,82,
    [chemical_name] => 
    [weight] => 711.76
    [form] => C37H45NO13
    [cas] => NA
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PA 18 0271002

25-Desacetyl Rifamycin-O


  • Catalogue No.:PA 18 0271002

  • CAS :

    NA

  • Molecular Formula : C37H45NO13

  • Molecular Weight : 711.76