brimonidine and its Impurities

Brimonidine is indicated for the lowering of intraocular pressure in patients with open-angle glaucoma or ocular hypertension.. Reference standards of Brimonidine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 53 results for brimonidine Impurities
PA 02 44000

Brimonidine

Brimonidine

  • Catalogue No.:PA 02 44000

  • CAS :

    59803-98-4

  • Molecular Formula : C11H10BrN5

  • Molecular Weight : 292.13

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PA 02 44510

Brimonidine L-Tartrate

Brimonidine L-Tartrate

  • Catalogue No.:PA 02 44510

  • CAS :

    70359-46-5

  • Molecular Formula : C15H16BrN5O6

  • Molecular Weight : 442.22

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PA 02 44530

N-tert-Butyloxycarbonyl Hydroxy Brimonidine

N-tert-Butyloxycarbonyl Hydroxy Brimonidine

  • Catalogue No.:PA 02 44530

  • CAS :

    1391053-57-8

  • Molecular Formula : C16H20BrN5O3

  • Molecular Weight : 410.27

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PA 02 44550

Brimonidine Open Ring Impurity

Brimonidine Open Ring Impurity

  • Catalogue No.:PA 02 44550

  • CAS :

    134892-47-0

  • Molecular Formula : C11H12BrN5S

  • Molecular Weight : 326.22

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PA 02 44560

N-(1H-Imidazol-2-yl)quinoxalin-6-amine

N-(1H-Imidazol-2-yl)quinoxalin-6-amine

  • Catalogue No.:PA 02 44560

  • CAS :

    185312-10-1

  • Molecular Formula : C11H9N5

  • Molecular Weight : 211.23

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PA 02 44570

Brimonidine-2,3-dione

Brimonidine-2,3-dione

  • Catalogue No.:PA 02 44570

  • CAS :

    182627-95-8

  • Molecular Formula : C11H10BrN5O2

  • Molecular Weight : 324.13

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PA 02 44580

Brimonidine Carbamothioate Impurity

Brimonidine Carbamothioate Impurity

  • Catalogue No.:PA 02 44580

  • CAS :

    842138-75-4

  • Molecular Formula : C11H10BrN3OS

  • Molecular Weight : 312.19

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PA 02 44590

5-Chloro-N-(4,5 dihydro-1H imidazol-2-yl)quinoxalin-6-amine

5-Chloro-N-(4,5 dihydro-1H imidazol-2-yl)quinoxalin-6-amine

  • Catalogue No.:PA 02 44590

  • CAS :

    91147-46-5

  • Molecular Formula : C11H10ClN5

  • Molecular Weight : 247.68

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PA STI 014280

Brimonidine-d4

Brimonidine-d4

  • Catalogue No.:PA STI 014280

  • CAS :

    1184971-51-4

  • Molecular Formula : C11H6D4BrN5

  • Molecular Weight : 296.16

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PA STI 014290

Brimonidine-d4 D-Tartrate

Brimonidine-d4 D-Tartrate

  • Catalogue No.:PA STI 014290

  • CAS :

    1316758-27-6

  • Molecular Formula : C15H12D4BrN5O6

  • Molecular Weight : 446.25

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PA STI 014300

Brimonidine-d4 L-Tartrate

Brimonidine-d4 L-Tartrate

  • Catalogue No.:PA STI 014300

  • CAS :

    NA

  • Molecular Formula : C15H12D4BrN5O6

  • Molecular Weight : 446.25

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PA USP1076454

Brimonidine Related Compound E (1076454)

Brimonidine Related Compound E (1076454)

  • Catalogue No.:PA USP1076454

  • CAS :

    168329-48-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1076419

Brimonidine Related Compound A (5-Bromoquinoxalin-6-amine) (1076419)

Brimonidine Related Compound A (5-Bromoquinoxalin-6-amine) (1076419)

  • Catalogue No.:PA USP1076419

  • CAS :

    50358-63-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1076400

Brimonidine Tartrate (1076400)

Brimonidine Tartrate (1076400)

  • Catalogue No.:PA USP1076400

  • CAS :

    70359-46-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1076421

Brimonidine Related Compound B (1-(5-Bromoquinoxalin-6-yl)thiourea) (1076421)

Brimonidine Related Compound B (1-(5-Bromoquinoxalin-6-yl)thiourea) (1076421)

  • Catalogue No.:PA USP1076421

  • CAS :

    842138-74-3

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001634

Brimonidine for system suitability (Y0001634)

Brimonidine for system suitability (Y0001634)

  • Catalogue No.:PA EPY0001634

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001658

Brimonidine tartrate (Y0001658)

Brimonidine tartrate (Y0001658)

  • Catalogue No.:PA EPY0001658

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 02 0441000

5-Bromo-N-(4,5-dihydro-1H-imidazol-2-yl)-6-quinoxalinamine Tartrate

5-Bromo-N-(4,5-dihydro-1H-imidazol-2-yl)-6-quinoxalinamine Tartrate

  • Catalogue No.:PA 02 0441000

  • CAS :

    59803-99-5

  • Molecular Formula : C15H16BrN5O6

  • Molecular Weight : 442.22

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PA 02 0441001

3-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)propanoic Acid

3-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)propanoic Acid

  • Catalogue No.:PA 02 0441001

  • CAS :

    NA

  • Molecular Formula : C14H14BrN5O2

  • Molecular Weight : 364.2

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PA 02 0441002

Brimonidine dimer

Brimonidine dimer

  • Catalogue No.:PA 02 0441002

  • CAS :

    NA

  • Molecular Formula : C23H20Br2N10

  • Molecular Weight : 596.29

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PA 02 0441003

Brimonidine acrylate

Brimonidine acrylate

  • Catalogue No.:PA 02 0441003

  • CAS :

    NA

  • Molecular Formula : C14H14BrN5O2

  • Molecular Weight : 364.2

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PA 02 0441004

1-(5-Bromoquinolin-7-yl)thiourea

1-(5-Bromoquinolin-7-yl)thiourea

  • Catalogue No.:PA 02 0441004

  • CAS :

    2749309-05-3

  • Molecular Formula : C10H8BrN3S

  • Molecular Weight : 282.16

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PA 02 0441005

N-(5-Methylquinolin-6-yl)imidazolidin-2-imine

N-(5-Methylquinolin-6-yl)imidazolidin-2-imine

  • Catalogue No.:PA 02 0441005

  • CAS :

    1217439-06-9

  • Molecular Formula : C13H14N4

  • Molecular Weight : 226.28

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PA 02 0441006

6-Isothiocyanatoquinoxaline

6-Isothiocyanatoquinoxaline

  • Catalogue No.:PA 02 0441006

  • CAS :

    135306-56-8

  • Molecular Formula : C9H5N3S

  • Molecular Weight : 187.22

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PA 02 0441007

N-(5-Bromoquinoxalin-6-yl)cyanamide

N-(5-Bromoquinoxalin-6-yl)cyanamide

  • Catalogue No.:PA 02 0441007

  • CAS :

    182628-02-0

  • Molecular Formula : C9H5BrN4

  • Molecular Weight : 249.07

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PA 02 0441008

 9-(5-Bromoquinoxalin-6-yl)-6,7-dihydroxy-2,6,7,9-tetrahydro-3H-imidazo[1,2-a][1,3]diazepine-5,8-dione

9-(5-Bromoquinoxalin-6-yl)-6,7-dihydroxy-2,6,7,9-tetrahydro-3H-imidazo[1,2-a][1,3]diazepine-5,8-dione

  • Catalogue No.:PA 02 0441008

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O4

  • Molecular Weight : 406.2

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PA 02 0441009

5-Bromo-6-isothiocyanatoquinoxaline

5-Bromo-6-isothiocyanatoquinoxaline

  • Catalogue No.:PA 02 0441009

  • CAS :

    134892-46-9

  • Molecular Formula : C9H4BrN3S

  • Molecular Weight : 266.12

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PA 02 0441010

O-Isopropyl (5-bromoquinoxalin-6-yl)carbamothioate

O-Isopropyl (5-bromoquinoxalin-6-yl)carbamothioate

  • Catalogue No.:PA 02 0441010

  • CAS :

    2742962-04-3

  • Molecular Formula : C12H12BrN3OS

  • Molecular Weight : 326.21

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PA 02 0441011

(E)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

(E)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

  • Catalogue No.:PA 02 0441011

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441012

2-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)-2-(carboxyamino)acetic Acid

2-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)-2-(carboxyamino)acetic Acid

  • Catalogue No.:PA 02 0441012

  • CAS :

    NA

  • Molecular Formula : C14H13BrN6O4

  • Molecular Weight : 409.2

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PA 02 0441013

Brimonidine Nitroso Impurity

Brimonidine Nitroso Impurity

  • Catalogue No.:PA 02 0441013

  • CAS :

    NA

  • Molecular Formula : C11H9BrN6O

  • Molecular Weight : 321.14

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PA 02 0441014

(Z)-1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-8,9-dihydro-1H-imidazo[2,1-c][1,2,4]oxadiazocin-6(5H)-one

(Z)-1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-8,9-dihydro-1H-imidazo[2,1-c][1,2,4]oxadiazocin-6(5H)-one

  • Catalogue No.:PA 02 0441014

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441015

1-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)ethan-1-one;

1-(2-((5-bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)ethan-1-one

  • Catalogue No.:PA 02 0441015

  • CAS :

    1158184-23-6

  • Molecular Formula : C13H12BrN5O

  • Molecular Weight : 334.18

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PA 02 0441016

N2-(5-Bromoquinoxalin-6-yl)-N2'-(7-bromoquinoxalin-6-yl)-4,4',5,5'-tetrahydro-[1,1'-biimidazole]-2,2'-diamine

N2-(5-Bromoquinoxalin-6-yl)-N2'-(7-bromoquinoxalin-6-yl)-4,4',5,5'-tetrahydro-[1,1'-biimidazole]-2,2'-diamine

  • Catalogue No.:PA 02 0441016

  • CAS :

    NA

  • Molecular Formula : C22H18Br2N10

  • Molecular Weight : 582.26

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PA 02 0441017

9,10-Dihydro-7H-imidazo[2',1':2,3]imidazo[4,5-f]quinoxaline

9,10-Dihydro-7H-imidazo[2',1':2,3]imidazo[4,5-f]quinoxaline

  • Catalogue No.:PA 02 0441017

  • CAS :

    NA

  • Molecular Formula : C11H9N5

  • Molecular Weight : 211.23

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PA 02 0441018

1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-5,6-dihydro-1H-imidazo[1,2-a]imidazol-2(3H)-one

1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-5,6-dihydro-1H-imidazo[1,2-a]imidazol-2(3H)-one

  • Catalogue No.:PA 02 0441018

  • CAS :

    NA

  • Molecular Formula : C13H10BrN5O2

  • Molecular Weight : 348.16

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PA 02 0441019

2-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)succinic Acid

2-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)succinic Acid

  • Catalogue No.:PA 02 0441019

  • CAS :

    NA

  • Molecular Formula : C15H14BrN5O4

  • Molecular Weight : 408.21

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PA 02 0441020

N-(5-Bromoquinoxalin-6-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)aspartic Acid

N-(5-Bromoquinoxalin-6-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)aspartic Acid

  • Catalogue No.:PA 02 0441020

  • CAS :

    NA

  • Molecular Formula : C15H14BrN5O4

  • Molecular Weight : 408.21

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PA 02 0441021

1-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-5-methyl-2,5-dihydro-1H-pyrrol-3-ol

1-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-5-methyl-2,5-dihydro-1H-pyrrol-3-ol

  • Catalogue No.:PA 02 0441021

  • CAS :

    NA

  • Molecular Formula : C16H17BrN6O

  • Molecular Weight : 389.26

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PA 02 0441022

2-((2-Bromoquinoxalin-6-yl)amino)imidazolidin-2-ol

2-((2-Bromoquinoxalin-6-yl)amino)imidazolidin-2-ol

  • Catalogue No.:PA 02 0441022

  • CAS :

    NA

  • Molecular Formula : C11H12BrN5O

  • Molecular Weight : 310.16

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PA 02 0441023

8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid

8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic acid

  • Catalogue No.:PA 02 0441023

  • CAS :

    934548-66-0

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441024

8-(5-Bromoquinoxalin-6-yl)-7-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-5-carboxylic Acid

8-(5-Bromoquinoxalin-6-yl)-7-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-5-carboxylic Acid

  • Catalogue No.:PA 02 0441024

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441025

(Z)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

(Z)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

  • Catalogue No.:PA 02 0441025

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441026

N-(5-Bromoquinoxalin-6-yl)-N-(1-nitroso-4,5-dihydro-1H-imidazol-2-yl)nitrous amide

N-(5-Bromoquinoxalin-6-yl)-N-(1-nitroso-4,5-dihydro-1H-imidazol-2-yl)nitrous amide

  • Catalogue No.:PA 02 0441026

  • CAS :

    NA

  • Molecular Formula : C11H8BrN7O2

  • Molecular Weight : 350.14

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PA 02 0441027

2-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)maleic Acid

2-((5-Bromoquinoxalin-6-yl)(4,5-dihydro-1H-imidazol-2-yl)amino)maleic Acid

  • Catalogue No.:PA 02 0441027

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O4

  • Molecular Weight : 406.2

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PA 02 0441028

2-((5-Bromoquinoxalin-6-yl)(imidazolidin-2-yl)amino)-3-hydroxysuccinic Acid

2-((5-Bromoquinoxalin-6-yl)(imidazolidin-2-yl)amino)-3-hydroxysuccinic Acid

  • Catalogue No.:PA 02 0441028

  • CAS :

    NA

  • Molecular Formula : C15H16BrN5O5

  • Molecular Weight : 426.23

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PA 02 0441029

3-((2-(Isopropylamino)ethyl)(3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-yl)amino)-5-methoxyphenol

3-((2-(Isopropylamino)ethyl)(3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-yl)amino)-5-methoxyphenol

  • Catalogue No.:PA 02 0441029

  • CAS :

    1346243-57-9

  • Molecular Formula : C24H28N6O2

  • Molecular Weight : 432.53

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PAI 02 044002

Brimonidine

Brimonidine

  • Catalogue No.:PAI 02 044002

  • CAS :

    59803-98-4

  • Molecular Formula : C11H10BrN5

  • Molecular Weight : 292.14

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PAI 02 044001

(E)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

(E)-4-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-4-oxobut-2-enoic Acid

  • Catalogue No.:PAI 02 044001

  • CAS :

    NA

  • Molecular Formula : C15H12BrN5O3

  • Molecular Weight : 390.2

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PA 02 0441030

Ethyl 8-(5-bromoquinoxalin-6-yl)-5-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-7-carboxylate

Ethyl 8-(5-bromoquinoxalin-6-yl)-5-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-7-carboxylate

  • Catalogue No.:PA 02 0441030

  • CAS :

    NA

  • Molecular Formula : C17H16BrN5O3

  • Molecular Weight : 418.25

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PA 02 0441031

8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid Lithium Salt

8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid Lithium Salt

  • Catalogue No.:PA 02 0441031

  • CAS :

    NA

  • Molecular Formula : C15H11BrLiN5O3

  • Molecular Weight : 396.13

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PA 02 0441032

Brimonidine 2-oxo and 3-oxo (1:1) Impurity

Brimonidine 2-oxo and 3-oxo (1:1) Impurity

  • Catalogue No.:PA 02 0441032

  • CAS :

    NA

  • Molecular Formula : C11H10BrN5O

  • Molecular Weight : 308.14

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PA 02 0441033

N-(5-Bromoquinoxalin-6-yl)imidazolidin-2-imine oxide

N-(5-Bromoquinoxalin-6-yl)imidazolidin-2-imine oxide

  • Catalogue No.:PA 02 0441033

  • CAS :

    NA

  • Molecular Formula : C11H10BrN5O

  • Molecular Weight : 308.14

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