Edaravone-impurities | Pharmaffiliates

edaravone and its Impurities

Edaravone is used to help people recover from stroke in Japan, and is used to treat ALS in the US and Japan. It is sold as under the brand names Radicava. Reference standards of Edaravone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 42 results for edaravone Impurities
PA 32 06000

Edaravone - API Standards

Edaravone

  • Catalogue No.:PA 32 06000

  • CAS :

    89-25-8

  • Molecular Formula : C10H10N2O

  • Molecular Weight : 174.2

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PA 32 06510

4,4'-(Ethane-1,1-diyl)bis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)

4,4'-(Ethane-1,1-diyl)bis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)

  • Catalogue No.:PA 32 06510

  • CAS :

    82772-85-8

  • Molecular Formula : C22H22N4O2

  • Molecular Weight : 374.44

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PA 32 06520

4,4'-(Ethane-1,1-diyl)bis(3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-ol)

4,4'-(Ethane-1,1-diyl)bis(3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-ol)

  • Catalogue No.:PA 32 06520

  • CAS :

    NA

  • Molecular Formula : C22H26N4O2

  • Molecular Weight : 378.47

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PA 32 06530

Bispyrazolone

Bispyrazolone

  • Catalogue No.:PA 32 06530

  • CAS :

    7477-67-0

  • Molecular Formula : C20H18N4O2

  • Molecular Weight : 346.38

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PA 32 06540

3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol

3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol

  • Catalogue No.:PA 32 06540

  • CAS :

    177415-76-8

  • Molecular Formula : C20H18N4O2

  • Molecular Weight : 346.38

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PA 32 06550

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

  • Catalogue No.:PA 32 06550

  • CAS :

    19735-89-8

  • Molecular Formula : C10H10N2O

  • Molecular Weight : 174.2

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PA 32 06560

3-Methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-diol

3-Methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-diol

  • Catalogue No.:PA 32 06560

  • CAS :

    NA

  • Molecular Formula : C10H12N2O2

  • Molecular Weight : 192.21

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PA 32 06570

Edaravone N-Oxide

Edaravone N-Oxide

  • Catalogue No.:PA 32 06570

  • CAS :

    152494-76-3

  • Molecular Formula : C10H10N2O2

  • Molecular Weight : 190.2

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PA 32 06580

2,4-Dihydro-4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-methyl-2-phenyl-3H-pyrazol-3-one;

2,4-Dihydro-4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-methyl-2-phenyl-3H-pyrazol-3-one;

  • Catalogue No.:PA 32 06580

  • CAS :

    124009-63-8

  • Molecular Formula : C30H26N6O3

  • Molecular Weight : 518.58

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PA 32 06590

5-Ethoxy-3-methyl-1-phenyl-1H-pyrazole

5-Ethoxy-3-methyl-1-phenyl-1H-pyrazole

  • Catalogue No.:PA 32 06590

  • CAS :

    1016-41-7

  • Molecular Formula : C12H14N2O

  • Molecular Weight : 202.26

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PA 32 06640

(Z)-3',5-Dimethyl-3,5'-dioxo-1',2-diphenyl-1',2,3,5'-tetrahydro-[4,4'-bipyrazolylidene] 1-Oxide

(Z)-3',5-Dimethyl-3,5'-dioxo-1',2-diphenyl-1',2,3,5'-tetrahydro-[4,4'-bipyrazolylidene] 1-Oxide

  • Catalogue No.:PA 32 06640

  • CAS :

    NA

  • Molecular Formula : C20H16N4O3

  • Molecular Weight : 360.37

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PA 32 06650

3-Oxo-N'-phenylbutanehydrazide

3-Oxo-N'-phenylbutanehydrazide

  • Catalogue No.:PA 32 06650

  • CAS :

    NA

  • Molecular Formula : C10H12N2O2

  • Molecular Weight : 192.22

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PA 32 0061000

5,5"-dihydroxy-3,3",5'-trimethyl-1,1",2'-triphenyl-4,4",5,5"-tetrahydro-1H,1"H-[4,4':4',4"-terpyrazol]-3'(2'H)-one

5,5"-dihydroxy-3,3",5'-trimethyl-1,1",2'-triphenyl-4,4",5,5"-tetrahydro-1H,1"H-[4,4':4',4"-terpyrazol]-3'(2'H)-one

  • Catalogue No.:PA 32 0061000

  • CAS :

    NA

  • Molecular Formula : C30H30N6O3

  • Molecular Weight : 522.61

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PA 32 0061001

4-Ethyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

4-Ethyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

  • Catalogue No.:PA 32 0061001

  • CAS :

    NA

  • Molecular Formula : C12H14N2O

  • Molecular Weight : 202.26

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PA 32 0061002

5-(Hydroxymethyl)-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

5-(Hydroxymethyl)-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

  • Catalogue No.:PA 32 0061002

  • CAS :

    NA

  • Molecular Formula : C10H10N2O2

  • Molecular Weight : 190.2

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PA 32 0061003

4-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic Acid

4-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic Acid

  • Catalogue No.:PA 32 0061003

  • CAS :

    NA

  • Molecular Formula : C11H10N2O3

  • Molecular Weight : 218.21

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PA 32 0061004

(E)-3-Methyl-1-phenyl-4-(1-(1-phenylhydrazinyl)buta-1,3-dien-2-yl)-1H-pyrazol-5-ol

(E)-3-Methyl-1-phenyl-4-(1-(1-phenylhydrazinyl)buta-1,3-dien-2-yl)-1H-pyrazol-5-ol

  • Catalogue No.:PA 32 0061004

  • CAS :

    NA

  • Molecular Formula : C20H20N4O

  • Molecular Weight : 332.41

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PA 32 0061005

5-Hydroxy-3,5',5"-trimethyl-1,2',2"-triphenyl-2",4,4",5-tetrahydro-1H,3"H-[4,4':4',4"-terpyrazole]-3',3"(2'H)-dione

5-Hydroxy-3,5',5"-trimethyl-1,2',2"-triphenyl-2",4,4",5-tetrahydro-1H,3"H-[4,4':4',4"-terpyrazole]-3',3"(2'H)-dione

  • Catalogue No.:PA 32 0061005

  • CAS :

    NA

  • Molecular Formula : C30H28N6O3

  • Molecular Weight : 520.59

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PA 32 0061006

4-(2-Diazenyl-2-oxoethyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

4-(2-Diazenyl-2-oxoethyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

  • Catalogue No.:PA 32 0061006

  • CAS :

    NA

  • Molecular Formula : C12H12N4O2

  • Molecular Weight : 244.25

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PA 32 0061007

5-Methyl-2-phenyl-2,4-dihydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

5-Methyl-2-phenyl-2,4-dihydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

  • Catalogue No.:PA 32 0061007

  • CAS :

    NA

  • Molecular Formula : C13H10N4O2

  • Molecular Weight : 254.25

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PA 32 0061008

5'-(Hydroxymethyl)-4,5-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

5'-(Hydroxymethyl)-4,5-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

  • Catalogue No.:PA 32 0061008

  • CAS :

    NA

  • Molecular Formula : C21H20N4O3

  • Molecular Weight : 376.42

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PA 32 0061009

3'-(Hydroxymethyl)-3"-methyl-5,5',5"-trioxo-1,1',1"-triphenyl-1',4,4",5,5',5"-hexahydro-1H,1"H-[4,4':4',4"-terpyrazole]-3-carboxylic Acid

3'-(Hydroxymethyl)-3"-methyl-5,5',5"-trioxo-1,1',1"-triphenyl-1',4,4",5,5',5"-hexahydro-1H,1"H-[4,4':4',4"-terpyrazole]-3-carboxylic Acid

  • Catalogue No.:PA 32 0061009

  • CAS :

    NA

  • Molecular Formula : C30H24N6O6

  • Molecular Weight : 564.56

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PA 32 0061010

5-(Hydroxymethyl)-5',5"-dimethyl-2,2',2"-triphenyl-2,2",4,4"-tetrahydro-3H,3"H-[4,4':4',4"-terpyrazole]-3,3',3"(2'H)-trione

5-(Hydroxymethyl)-5',5"-dimethyl-2,2',2"-triphenyl-2,2",4,4"-tetrahydro-3H,3"H-[4,4':4',4"-terpyrazole]-3,3',3"(2'H)-trione

  • Catalogue No.:PA 32 0061010

  • CAS :

    NA

  • Molecular Formula : C30H26N6O4

  • Molecular Weight : 534.58

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PA 32 0061013

(E)-2-Oxo-3-(2-phenylhydrazono)butanoic Acid

(E)-2-Oxo-3-(2-phenylhydrazono)butanoic Acid

  • Catalogue No.:PA 32 0061013

  • CAS :

    1086213-77-5

  • Molecular Formula : C10H10N2O3

  • Molecular Weight : 206.2

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PA 32 0061011

2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2-sulfopropanoic Acid

2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2-sulfopropanoic Acid

  • Catalogue No.:PA 32 0061011

  • CAS :

    1357477-99-6

  • Molecular Formula : C13H14N2O6S

  • Molecular Weight : 326.32

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PA 32 0061012

2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid

2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid

  • Catalogue No.:PA 32 0061012

  • CAS :

    1323485-71-7

  • Molecular Formula : C13H16N2O4S

  • Molecular Weight : 296.34

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PA STI 088717

Edaravone D5

Edaravone D5

  • Catalogue No.:PA STI 088717

  • CAS :

    1228765-67-0

  • Molecular Formula : C10H5D5N2O

  • Molecular Weight : 179.23

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PAI 32 006001

(Z)-5,5'-Dimethyl-2,2'-diphenyl-[4,4'-bipyrazolylidene]-3,3'(2H,2'H)-dione

(Z)-5,5'-Dimethyl-2,2'-diphenyl-[4,4'-bipyrazolylidene]-3,3'(2H,2'H)-dione

  • Catalogue No.:PAI 32 006001

  • CAS :

    NA

  • Molecular Formula : C20H16N4O2

  • Molecular Weight : 344.37

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PA 32 0061014

Edaravone Trimer Impurity

Edaravone Trimer Impurity

  • Catalogue No.:PA 32 0061014

  • CAS :

    68195-63-1

  • Molecular Formula : C30H26N6O3

  • Molecular Weight : 518.58

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PA 32 0061018

1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid, Sodium Salt

1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid, Sodium Salt

  • Catalogue No.:PA 32 0061018

  • CAS :

    1322767-62-3

  • Molecular Formula : C13H16N2NaO5S

  • Molecular Weight : 335.33

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PA 32 0061019

5'-Ethoxy-3,3'-dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazol]-5-ol

5'-Ethoxy-3,3'-dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazol]-5-ol

  • Catalogue No.:PA 32 0061019

  • CAS :

    NA

  • Molecular Formula : C22H22N4O2

  • Molecular Weight : 374.44

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PA 32 0061017

Ethyl (E)-3-(2-phenylhydrazono)butanoate

Ethyl (E)-3-(2-phenylhydrazono)butanoate

  • Catalogue No.:PA 32 0061017

  • CAS :

    2061958-41-4

  • Molecular Formula : C12H16N2O2

  • Molecular Weight : 220.27

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PA 32 0061016

1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid

1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid

  • Catalogue No.:PA 32 0061016

  • CAS :

    NA

  • Molecular Formula : C13H16N2O5S

  • Molecular Weight : 312.34

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PA 32 0061015

Sodium 2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonate

Sodium 2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonate

  • Catalogue No.:PA 32 0061015

  • CAS :

    NA

  • Molecular Formula : C13H15N2NaO4S

  • Molecular Weight : 318.32

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PA 32 0061020

Edaravone Sulfate Triethylamine Salt

Edaravone Sulfate Triethylamine Salt

  • Catalogue No.:PA 32 0061020

  • CAS :

    NA

  • Molecular Formula : C16H25N3O4S

  • Molecular Weight : 355.45

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PA 32 0061021

Norantipyrine Glucuronide

Norantipyrine Glucuronide

  • Catalogue No.:PA 32 0061021

  • CAS :

    67566-02-3

  • Molecular Formula : C16H18N2O7

  • Molecular Weight : 350.33

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PA 32 0061022

3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

  • Catalogue No.:PA 32 0061022

  • CAS :

    881-05-0

  • Molecular Formula : C10H8N2O2

  • Molecular Weight : 188.19

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PA 32 0061023

2-Oxo-3-(2-phenylhydrazono)butanoic Acid

2-Oxo-3-(2-phenylhydrazono)butanoic Acid

  • Catalogue No.:PA 32 0061023

  • CAS :

    27301-70-8

  • Molecular Formula : C10H10N2O3

  • Molecular Weight : 206.2

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PA 32 0061024

Edaravone Sulfate

Edaravone Sulfate

  • Catalogue No.:PA 32 0061024

  • CAS :

    76407-98-2

  • Molecular Formula : C10H10N2O4S

  • Molecular Weight : 254.26

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PA 32 0061025

5,5'-Dimethyl-2,2'-diphenyl-2',4'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one

5,5'-Dimethyl-2,2'-diphenyl-2',4'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one

  • Catalogue No.:PA 32 0061025

  • CAS :

    33421-60-2

  • Molecular Formula : C20H18N4O

  • Molecular Weight : 330.39

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PA 32 0061026

4-Hydroxy-5,5'-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

4-Hydroxy-5,5'-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione

  • Catalogue No.:PA 32 0061026

  • CAS :

    153952-07-9

  • Molecular Formula : C20H18N4O3

  • Molecular Weight : 362.39

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PA 32 0061027

Edaravone Dimer N-Oxide

Edaravone Dimer N-Oxide

  • Catalogue No.:PA 32 0061027

  • CAS :

    NA

  • Molecular Formula : C20H16N4O3

  • Molecular Weight : 360.37

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