Sparsentan and its Impurities

Sparsentan, sold under the brand name Filspari. A medication used to reduce the levels of protein in urine in patients with poor kidney function. Reference standards of Sparsentan API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 23 results for Sparsentan Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 19 2310000

Sparsentan

Sparsentan

  • Catalogue No.:PA 19 2310000

  • CAS :

    254740-64-2

  • Molecular Formula : C32H40N4O5S

  • Molecular Weight : 592.76

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311000

Sparsentan Hydroxy Impurity

Sparsentan Hydroxy Impurity

  • Catalogue No.:PA 19 2311000

  • CAS :

    1201793-64-7

  • Molecular Formula : C21H24N2O5S

  • Molecular Weight : 416.49

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311001

N-(4,5-Dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-4'-(hydroxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

N-(4,5-Dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-4'-(hydroxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311001

  • CAS :

    1098924-76-5

  • Molecular Formula : C23H28N2O6S

  • Molecular Weight : 460.55

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311002

Sparsentan Ethoxy Methyl Acid Impurity Triethylamine Salt

Sparsentan Ethoxy Methyl Acid Impurity Triethylamine Salt

  • Catalogue No.:PA 19 2311002

  • CAS :

    NA

  • Molecular Formula : C29H41N3O7S

  • Molecular Weight : 575.72

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311003

Sparsentan Open Ring Impurity

Sparsentan Open Ring Impurity

  • Catalogue No.:PA 19 2311003

  • CAS :

    1347979-29-6

  • Molecular Formula : C32H42N4O6S

  • Molecular Weight : 610.77

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311004

Sparsentan Methyl Impurity

Sparsentan Methyl Impurity

  • Catalogue No.:PA 19 2311004

  • CAS :

    254741-40-7

  • Molecular Formula : C30H36N4O4S

  • Molecular Weight : 548.7

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311005

Sparsentan N,N-Dimethyl Impurity

Sparsentan N,N-Dimethyl Impurity

  • Catalogue No.:PA 19 2311005

  • CAS :

    NA

  • Molecular Formula : C25H33N3O5S

  • Molecular Weight : 487.62

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311006

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311006

  • CAS :

    1026355-73-6

  • Molecular Formula : C34H44N4O6S

  • Molecular Weight : 636.81

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311007

Ethyl 2'-(N-(4,5-dimethylisoxazol-3-yl)-N-(methoxymethyl)sulfamoyl)-2-(ethoxymethyl)-[1,1'-biphenyl]-4-carboxylate

Ethyl 2'-(N-(4,5-dimethylisoxazol-3-yl)-N-(methoxymethyl)sulfamoyl)-2-(ethoxymethyl)-[1,1'-biphenyl]-4-carboxylate

  • Catalogue No.:PA 19 2311007

  • CAS :

    1247868-68-3

  • Molecular Formula : C25H30N2O7S

  • Molecular Weight : 502.58

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311008

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-formyl-[1,1'-biphenyl]-2-sulfonamide

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-formyl-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311008

  • CAS :

    254737-96-7

  • Molecular Formula : C30H34N4O5S

  • Molecular Weight : 562.69

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311009

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-2-en-1-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-2-en-1-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311009

  • CAS :

    2567159-90-2

  • Molecular Formula : C32H40N4O5S

  • Molecular Weight : 592.76

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311010

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311010

  • CAS :

    254741-35-0

  • Molecular Formula : C31H38N4O5S

  • Molecular Weight : 578.73

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311011

2'-Cyano-4'-methyl-[1,1'-biphenyl]-2-sulfonic Acid

2'-Cyano-4'-methyl-[1,1'-biphenyl]-2-sulfonic Acid

  • Catalogue No.:PA 19 2311011

  • CAS :

    NA

  • Molecular Formula : C14H11NO3S

  • Molecular Weight : 273.31

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311012

2'-(Methoxycarbonyl)-4'-methyl-[1,1'-biphenyl]-2-sulfonic Acid

2'-(Methoxycarbonyl)-4'-methyl-[1,1'-biphenyl]-2-sulfonic Acid

  • Catalogue No.:PA 19 2311012

  • CAS :

    NA

  • Molecular Formula : C15H14O5S

  • Molecular Weight : 306.33

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311013

Sparsentan Desethyl Impurity

Sparsentan Desethyl Impurity

  • Catalogue No.:PA 19 2311013

  • CAS :

    254740-63-1

  • Molecular Formula : C30H36N4O5S

  • Molecular Weight : 564.7

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311014

N-(4,5-Dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-N-(methoxymethyl)-4'-((methyl(nitroso)amino)methyl)-[1,1'-biphenyl]-2-sulfonamide

N-(4,5-Dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-N-(methoxymethyl)-4'-((methyl(nitroso)amino)methyl)-[1,1'-biphenyl]-2-sulfonamide

  • Catalogue No.:PA 19 2311014

  • CAS :

    NA

  • Molecular Formula : C24H30N4O6S

  • Molecular Weight : 502.59

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311015

4-Bromo-3-(ethoxymethyl)benzoic Acid

4-Bromo-3-(ethoxymethyl)benzoic Acid

  • Catalogue No.:PA 19 2311015

  • CAS :

    2925576-60-7

  • Molecular Formula : C10H11BrO3

  • Molecular Weight : 259.1

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311016

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

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

  • Catalogue No.:PA 19 2311016

  • CAS :

    415697-56-2

  • Molecular Formula : C19H27BN2O6S

  • Molecular Weight : 422.3

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311017

4,5-Dimethylisoxazol-3-amine

4,5-Dimethylisoxazol-3-amine

  • Catalogue No.:PA 19 2311017

  • CAS :

    13999-39-8

  • Molecular Formula : C5H8N2O

  • Molecular Weight : 112.13

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311018

4,5-Dimethylisoxazol-3-amine

4-Bromo-3-methylbenzonitrile

  • Catalogue No.:PA 19 2311018

  • CAS :

    41963-20-6

  • Molecular Formula : C8H6BrN

  • Molecular Weight : 196.05

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311019

2-Bromo-N-(4,5-dimethylisoxazol-3-yl)-N-(methoxymethyl)benzenesulfonamide

2-Bromo-N-(4,5-dimethylisoxazol-3-yl)-N-(methoxymethyl)benzenesulfonamide

  • Catalogue No.:PA 19 2311019

  • CAS :

    415697-57-3

  • Molecular Formula : C13H15BrN2O4S

  • Molecular Weight : 375.24

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Drug Reference Standards & Impurity Synthesis in India
PA 19 2311020

N-Nitroso Sparsentan

N-Nitroso Sparsentan

  • Catalogue No.:PA 19 2311020

  • CAS :

    NA

  • Molecular Formula : C32H39N5O6S

  • Molecular Weight : 621.75

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Drug Reference Standards & Impurity Synthesis in India
PA STI 090194

Sparsentan-d5

Sparsentan-d5

  • Catalogue No.:PA STI 090194

  • CAS :

    1801597-09-0

  • Molecular Formula : C32H35D5N4O5S

  • Molecular Weight : 597.79

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