sulfasalazine

Impurities - A sulfa drugs class of medication, Sulfasalazine is known in the trade name of Azulfidine. It is used in the treatment of rheumatoid arthritis and ulcerative colitis. Sulfasalazine metabolizes to sulfapyridine.Reference standards of Sulfasalazine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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    [pname] => Sulfasalazine - Impurity A
    [catalogue_number] => PA 19 31010
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 614.65
    [form] => C28H22N8O5S2
    [cas] => 1391062-35-3
    [pslug] => 1391062-35-3-sulfasalazine-impurity-a-pa1931010
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PA 19 31010
PA 19 31010

Sulfasalazine - Impurity A


  • Catalogue No.:PA 19 31010

  • CAS :

    1391062-35-3

  • Molecular Formula : C28H22N8O5S2

  • Molecular Weight : 614.65

stdClass Object
(
    [pname] => Sulfasalazine - Impurity B
    [catalogue_number] => PA 19 31020
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 658.66
    [form] => C29H22N8O7S2
    [cas] => 1391062-49-9
    [pslug] => 1391062-49-9-sulfasalazine-impurity-b-pa1931020
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PA 19 31020
PA 19 31020

Sulfasalazine - Impurity B


  • Catalogue No.:PA 19 31020

  • CAS :

    1391062-49-9

  • Molecular Formula : C29H22N8O7S2

  • Molecular Weight : 658.66

stdClass Object
(
    [pname] => Sulfasalazine - Impurity C
    [catalogue_number] => PA 19 31030
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 334.33
    [form] => C18H14N4O3
    [cas] => 66030-25-9
    [pslug] => 66030-25-9-sulfasalazine-impurity-c-pa1931030
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PA 19 31030
PA 19 31030

Sulfasalazine - Impurity C


  • Catalogue No.:PA 19 31030

  • CAS :

    66030-25-9

  • Molecular Formula : C18H14N4O3

  • Molecular Weight : 334.33

stdClass Object
(
    [pname] => Sulfasalazine - Impurity D
    [catalogue_number] => PA 19 31040
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 354.38
    [form] => C17H14N4O3S
    [cas] => 66364-70-3
    [pslug] => 66364-70-3-sulfasalazine-impurity-d-pa1931040
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PA 19 31040
PA 19 31040

Sulfasalazine - Impurity D


  • Catalogue No.:PA 19 31040

  • CAS :

    66364-70-3

  • Molecular Formula : C17H14N4O3S

  • Molecular Weight : 354.38

stdClass Object
(
    [pname] => Sulfasalazine - Impurity E
    [catalogue_number] => PA 19 31050
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 630.65
    [form] => C29H22N6O7S2
    [cas] => 1391062-34-2
    [pslug] => 1391062-34-2-sulfasalazine-impurity-e-pa1931050
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PA 19 31050
PA 19 31050

Sulfasalazine - Impurity E


  • Catalogue No.:PA 19 31050

  • CAS :

    1391062-34-2

  • Molecular Formula : C29H22N6O7S2

  • Molecular Weight : 630.65

stdClass Object
(
    [pname] => Sulfasalazine - Impurity F
    [catalogue_number] => PA 19 31060
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 398.39
    [form] => C18H14N4O5S
    [cas] => 66364-71-4
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PA 19 31060
PA 19 31060

Sulfasalazine - Impurity F


  • Catalogue No.:PA 19 31060

  • CAS :

    66364-71-4

  • Molecular Formula : C18H14N4O5S

  • Molecular Weight : 398.39

stdClass Object
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    [pname] => Sulfasalazine - Impurity G
    [catalogue_number] => PA 19 31070
    [category_ids] => ,80,75,78,70,82,88,79,71,
    [chemical_name] => 
    [weight] => 630.65
    [form] => C29H22N6O7S2
    [cas] => 1391062-37-5
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PA 19 31070
PA 19 31070

Sulfasalazine - Impurity G


  • Catalogue No.:PA 19 31070

  • CAS :

    1391062-37-5

  • Molecular Formula : C29H22N6O7S2

  • Molecular Weight : 630.65

stdClass Object
(
    [pname] => Sulfasalazine - Impurity H
    [catalogue_number] => PA 19 31080
    [category_ids] => ,70,75,78,80,82,
    [chemical_name] => 
    [weight] => 138.12
    [form] => C7H6O3
    [cas] => 69-72-7
    [pslug] => 69-72-7-sulfasalazine-impurity-h-pa1931080
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PA 19 31080
PA 19 31080

Sulfasalazine - Impurity H


  • Catalogue No.:PA 19 31080

  • CAS :

    69-72-7

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

stdClass Object
(
    [pname] => 5-Aminosalicylic Acid-13C6 Hydrochloride
    [catalogue_number] => PA STI 058870
    [category_ids] => ,80,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 195.55
    [form] => C13C6H8ClNO3
    [cas] => 1261398-47-3
    [pslug] => 1261398-47-3-5-aminosalicylic-acid-13c6-hydrochloride-pasti058870
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PA STI 058870
PA STI 058870

5-Aminosalicylic Acid-13C6 Hydrochloride


  • Catalogue No.:PA STI 058870

  • CAS :

    1261398-47-3

  • Molecular Formula : C13C6H8ClNO3

  • Molecular Weight : 195.55

stdClass Object
(
    [pname] => 4-(Acetylamino)-3-bromobenzenesulfonyl Chloride
    [catalogue_number] => PA 19 31550
    [category_ids] => ,76,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 312.57
    [form] => C8H7BrClNO3S
    [cas] => 88963-75-1
    [pslug] => 88963-75-1-4-acetylamino-3-bromobenzenesulfonyl-chloride-pa1931550
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PA 19 31550
PA 19 31550

4-(Acetylamino)-3-bromobenzenesulfonyl Chloride


  • Catalogue No.:PA 19 31550

  • CAS :

    88963-75-1

  • Molecular Formula : C8H7BrClNO3S

  • Molecular Weight : 312.57

stdClass Object
(
    [pname] => N-Acetylsulfamerazine
    [catalogue_number] => PA 19 31560
    [category_ids] => ,76,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 306.34
    [form] => C13H14N4O3S
    [cas] => 127-73-1
    [pslug] => 127-73-1-n-acetylsulfamerazine-pa1931560
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PA 19 31560
PA 19 31560

N-Acetylsulfamerazine


  • Catalogue No.:PA 19 31560

  • CAS :

    127-73-1

  • Molecular Formula : C13H14N4O3S

  • Molecular Weight : 306.34

stdClass Object
(
    [pname] => N-Acetyl Sulfapyridine
    [catalogue_number] => PA 19 31570
    [category_ids] => ,76,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 291.33
    [form] => C13H13N3O3S
    [cas] => 19077-98-6
    [pslug] => 19077-98-6-n-acetyl-sulfapyridine-pa1931570
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PA 19 31570
PA 19 31570

N-Acetyl Sulfapyridine


  • Catalogue No.:PA 19 31570

  • CAS :

    19077-98-6

  • Molecular Formula : C13H13N3O3S

  • Molecular Weight : 291.33

stdClass Object
(
    [pname] => Disodium 2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid
    [catalogue_number] => PA 19 0311000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 366.25
    [form] => C13H8N2Na2O6S
    [cas] => 6054-99-5
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PA 19 0311000
PA 19 0311000

Disodium 2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid


  • Catalogue No.:PA 19 0311000

  • CAS :

    6054-99-5

  • Molecular Formula : C13H8N2Na2O6S

  • Molecular Weight : 366.25

stdClass Object
(
    [pname] => 4,4'-Azanediylbis(N-(pyridin-2-yl)benzenesulfonamide)
    [catalogue_number] => PA 19 0311001
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 481.55
    [form] => C22H19N5O4S2
    [cas] => 2033064-46-7
    [pslug] => 2033064-46-7-4-4-azanediylbis-n-pyridin-2-yl-benzenesulfonamide-pa190311001
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PA 19 0311001
PA 19 0311001

4,4'-Azanediylbis(N-(pyridin-2-yl)benzenesulfonamide)


  • Catalogue No.:PA 19 0311001

  • CAS :

    2033064-46-7

  • Molecular Formula : C22H19N5O4S2

  • Molecular Weight : 481.55

stdClass Object
(
    [pname] => 4-Chloro-N-(pyridin-2-yl)benzenesulfonamide
    [catalogue_number] => PAI 19 004051
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 268.72
    [form] => C11H9ClN2O2S
    [cas] => 1213-38-3
    [pslug] => 1213-38-3-4-chloro-n-pyridin-2-yl-benzenesulfonamide-pai19004051
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PAI 19 004051
PAI 19 004051

4-Chloro-N-(pyridin-2-yl)benzenesulfonamide


  • Catalogue No.:PAI 19 004051

  • CAS :

    1213-38-3

  • Molecular Formula : C11H9ClN2O2S

  • Molecular Weight : 268.72

stdClass Object
(
    [pname] => 4-Bromo-N-(pyridin-2-yl)benzenesulfonamide
    [catalogue_number] => PAI 19 004052
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 313.17
    [form] => C11H9BrN2O2S
    [cas] => 3609-89-0
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PAI 19 004052
PAI 19 004052

4-Bromo-N-(pyridin-2-yl)benzenesulfonamide


  • Catalogue No.:PAI 19 004052

  • CAS :

    3609-89-0

  • Molecular Formula : C11H9BrN2O2S

  • Molecular Weight : 313.17

stdClass Object
(
    [pname] => N-(Pyridin-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide
    [catalogue_number] => PAI 19 004054
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 360.24
    [form] => C17H21BN2O4S
    [cas] => 2033064-47-8
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PAI 19 004054
PAI 19 004054

N-(Pyridin-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide


  • Catalogue No.:PAI 19 004054

  • CAS :

    2033064-47-8

  • Molecular Formula : C17H21BN2O4S

  • Molecular Weight : 360.24

stdClass Object
(
    [pname] => 2-Hydroxy-4'-(N-(pyridin-2-yl)sulfamoyl)-[1,1'-biphenyl]-3-carboxylic Acid
    [catalogue_number] => PAI 19 004055
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    [weight] => 370.38
    [form] => C18H14N2O5S
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PAI 19 004055
PAI 19 004055

2-Hydroxy-4'-(N-(pyridin-2-yl)sulfamoyl)-[1,1'-biphenyl]-3-carboxylic Acid


  • Catalogue No.:PAI 19 004055

  • CAS :

    2512199-33-4

  • Molecular Formula : C18H14N2O5S

  • Molecular Weight : 370.38

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