ondansetron and its Impurities

an effective antiemetic agent, ondansetron is an specific and selective serotonin 5-HT3 receptor antagonist. It is used in the treatment of nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.Reference standards of Ondansetron API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 72 results for ondansetron Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 15 06000

Ondansetron

Ondansetron

  • Catalogue No.:PA 15 06000

  • CAS :

    99614-02-5

  • Molecular Formula : C18H19N3O

  • Molecular Weight : 293.40

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Drug Reference Standards & Impurity Synthesis in India
PA 15 06510

4-Methylimidazole

4-Methylimidazole

  • Catalogue No.:PA 15 06510

  • CAS :

    822-36-6

  • Molecular Formula : C4H6N2

  • Molecular Weight : 82.1

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PA 15 06520

1-(Methoxymethyl)-1H-imidazole

1-(Methoxymethyl)-1H-imidazole

  • Catalogue No.:PA 15 06520

  • CAS :

    20075-26-7

  • Molecular Formula : C5H8N2O

  • Molecular Weight : 112.13

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PA 15 06540

1-((2-Chlorophenyl)diphenylmethyl)-2-methyl-1H-imidazole

1-((2-Chlorophenyl)diphenylmethyl)-2-methyl-1H-imidazole

  • Catalogue No.:PA 15 06540

  • CAS :

    98751-53-2

  • Molecular Formula : C23H19ClN2

  • Molecular Weight : 358.86

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PA 15 07510

4-Hydroxy-3-methyl-9H-carbazol

4-Hydroxy-3-methyl-9H-carbazol

  • Catalogue No.:PA 15 07510

  • CAS :

    150355-51-4

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.23

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PA 15 07520

6-Methyl-9H-carbazol-4-ol

6-Methyl-9H-carbazol-4-ol

  • Catalogue No.:PA 15 07520

  • CAS :

    1467753-80-5

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.23

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PA 15 07530

4-Hydroxy-9-methyl Carbazole

4-Hydroxy-9-methyl Carbazole

  • Catalogue No.:PA 15 07530

  • CAS :

    247096-42-0

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.23

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PA 15 07540

9-Methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1-methylene-2,3-dihydro-1H-carbazol-4(9H)-one

9-Methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1-methylene-2,3-dihydro-1H-carbazol-4(9H)-one

  • Catalogue No.:PA 15 07540

  • CAS :

    NA

  • Molecular Formula : C19H19N3O

  • Molecular Weight : 305.37

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Drug Reference Standards & Impurity Synthesis in India
PA STI 034270

3-[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one-d6 Hydrochloride

3-[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one-d6 Hydrochloride

  • Catalogue No.:PA STI 034270

  • CAS :

    NA

  • Molecular Formula : C16H15D6ClN2O

  • Molecular Weight : 298.84

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PA STI 070250

Ondansetron-d3 Hydrochloride Salt

Ondansetron-d3 Hydrochloride Salt

  • Catalogue No.:PA STI 070250

  • CAS :

    1346605-02-4

  • Molecular Formula : C18H17D3ClN3O

  • Molecular Weight : 332.84

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PA STI 070260

Ondansetron-d3

Ondansetron-d3

  • Catalogue No.:PA STI 070260

  • CAS :

    1132757-82-4

  • Molecular Formula : C18H16D3N3O

  • Molecular Weight : 296.38

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PA STI 070261

Ondansetron-13C-d3

Ondansetron-13C-d3

  • Catalogue No.:PA STI 070261

  • CAS :

    NA

  • Molecular Formula : C1713CH16D3N3O 

  • Molecular Weight : 297.37

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PA STI 077250

Ramosetron-d3 Hydrochloride

Ramosetron-d3 Hydrochloride

  • Catalogue No.:PA STI 077250

  • CAS :

    1330266-04-0

  • Molecular Formula : C17H15D3ClN3O

  • Molecular Weight : 318.82

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Drug Reference Standards & Impurity Synthesis in India
PAI 15 002080

2,3-Dihydro-1H-carbazol-4(9H)-one

2,3-Dihydro-1H-carbazol-4(9H)-one

  • Catalogue No.:PAI 15 002080

  • CAS :

    15128-52-6

  • Molecular Formula : C12H11NO

  • Molecular Weight : 185.22

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Drug Reference Standards & Impurity Synthesis in India
PAI 15 002081

3-Methylene-2,3-dihydro-1H-carbazol-4(9H)-one

3-Methylene-2,3-dihydro-1H-carbazol-4(9H)-one

  • Catalogue No.:PAI 15 002081

  • CAS :

    NA

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.23

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PAI 15 002082

1-(Benzofuran-2-yl)butan-1-one

1-(Benzofuran-2-yl)butan-1-one

  • Catalogue No.:PAI 15 002082

  • CAS :

    85614-50-2

  • Molecular Formula : C12H12O2

  • Molecular Weight : 188.20

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PAI 15 002083

1-(Benzofuran-2-yl)butan-1-ol

1-(Benzofuran-2-yl)butan-1-ol

  • Catalogue No.:PAI 15 002083

  • CAS :

    1342520-64-2

  • Molecular Formula : C12H14O2

  • Molecular Weight : 190.20

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PAI 15 002084

2-(1-Methoxybutyl)benzofuran

2-(1-Methoxybutyl)benzofuran

  • Catalogue No.:PAI 15 002084

  • CAS :

    1391052-05-3

  • Molecular Formula : C13H16O2

  • Molecular Weight : 204.30

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PAI 15 002085

Methyl 4-hydroxybenzoate

Methyl 4-hydroxybenzoate

  • Catalogue No.:PAI 15 002085

  • CAS :

    99-76-3

  • Molecular Formula : C8H8O3

  • Molecular Weight : 152.10

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PAI 15 002086

Methyl 4-hydroxy-3,5-diiodobenzoate

Methyl 4-hydroxy-3,5-diiodobenzoate

  • Catalogue No.:PAI 15 002086

  • CAS :

    3337-66-4

  • Molecular Formula : C8H6I2O3

  • Molecular Weight : 403.90

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PAI 15 002087

Methyl 4-(2-(diethylamino)ethoxy)-3,5-diiodobenzoate

Methyl 4-(2-(diethylamino)ethoxy)-3,5-diiodobenzoate

  • Catalogue No.:PAI 15 002087

  • CAS :

    NA

  • Molecular Formula : C14H19I2NO3

  • Molecular Weight : 403.90

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PAI 15 002088

4-(2-(Diethylamino)ethoxy)-3,5-diiodobenzoic Acid

4-(2-(Diethylamino)ethoxy)-3,5-diiodobenzoic Acid

  • Catalogue No.:PAI 15 002088

  • CAS :

    290295-94-2

  • Molecular Formula : C13H17I2NO3

  • Molecular Weight : 489.10

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PAI 15 002089

4-(2-(Diethylamino)ethoxy)-3,5-diiodobenzoyl Chloride

4-(2-(Diethylamino)ethoxy)-3,5-diiodobenzoyl Chloride

  • Catalogue No.:PAI 15 002089

  • CAS :

    NA

  • Molecular Formula : C13H16ClI2NO2

  • Molecular Weight : 507.50

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Drug Reference Standards & Impurity Synthesis in India
PA 15 07550

Ondansetron Resolution Mixture

Ondansetron Resolution Mixture

  • Catalogue No.:PA 15 07550

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 26 13

Ondansetron (IPRS/26/13)-from IPC

Ondansetron (IPRS/26/13)-from IPC

  • Catalogue No.:PA IPIPRS 26 13

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 71 10

Ondansetron Hydrochloride (IPRS/71/10)-from IPC

Ondansetron Hydrochloride (IPRS/71/10)-from IPC

  • Catalogue No.:PA IPIPRS 71 10

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0000195

Ondansetron impurity D (Y0000195)

Ondansetron impurity D (Y0000195)

  • Catalogue No.:PA EPY0000195

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0000196

Ondansetron for TLC system suitability (Y0000196)

Ondansetron for TLC system suitability (Y0000196)

  • Catalogue No.:PA EPY0000196

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0000197

Ondansetron for LC system suitability (Y0000197)

Ondansetron for LC system suitability (Y0000197)

  • Catalogue No.:PA EPY0000197

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0000218

Ondansetron hydrochloride dihydrate (Y0000218)

Ondansetron hydrochloride dihydrate (Y0000218)

  • Catalogue No.:PA EPY0000218

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001320

Ondansetron impurity F (Y0001320)

Ondansetron impurity F (Y0001320)

  • Catalogue No.:PA EPY0001320

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001326

Ondansetron impurity E (Y0001326)

Ondansetron impurity E (Y0001326)

  • Catalogue No.:PA EPY0001326

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001345

Ondansetron impurity A (Y0001345)

Ondansetron impurity A (Y0001345)

  • Catalogue No.:PA EPY0001345

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001346

Ondansetron impurity G (Y0001346)

Ondansetron impurity G (Y0001346)

  • Catalogue No.:PA EPY0001346

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478571

Ondansetron (1478571)

Ondansetron (1478571)

  • Catalogue No.:PA USP1478571

  • CAS :

    99614-02-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478582

Ondansetron Hydrochloride (1478582)

Ondansetron Hydrochloride (1478582)

  • Catalogue No.:PA USP1478582

  • CAS :

    103639-04-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478593

Ondansetron Related Compound A (3[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4- (1478593)

Ondansetron Related Compound A (3[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4- (1478593)

  • Catalogue No.:PA USP1478593

  • CAS :

    119812-29-2

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478618

Ondansetron Related Compound C (1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one) (1478618)

Ondansetron Related Compound C (1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one) (1478618)

  • Catalogue No.:PA USP1478618

  • CAS :

    27387-31-1

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478629

Ondansetron Related Compound D (1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one) (1478629)

Ondansetron Related Compound D (1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one) (1478629)

  • Catalogue No.:PA USP1478629

  • CAS :

    99614-64-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1478630

Ondansetron Resolution Mixture (1478630)

Ondansetron Resolution Mixture (1478630)

  • Catalogue No.:PA USP1478630

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP805RB

ondansetron for TLC system suitability (805RB)

ondansetron for TLC system suitability (805RB)

  • Catalogue No.:PA BP805RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP806RB

ondansetron impurity standard (806RB)

ondansetron impurity standard (806RB)

  • Catalogue No.:PA BP806RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP808RB

ondansetron hydrochloride dihydrate (808RB)

ondansetron hydrochloride dihydrate (808RB)

  • Catalogue No.:PA BP808RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PAI 15 002090

1,1’-(Methylenedi-4,1-phenylene)bishydrazine Dihydrochloride

1,1’-(Methylenedi-4,1-phenylene)bishydrazine Dihydrochloride

  • Catalogue No.:PAI 15 002090

  • CAS :

    100829-65-0

  • Molecular Formula : C13H18Cl2N4

  • Molecular Weight : 301.22

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PAI 15 002091

7,7'-Methylenebis(1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PAI 15 002091

  • CAS :

    NA

  • Molecular Formula : C25H22N2O2

  • Molecular Weight : 382.46

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PAI 15 002092

7,7'-methylenebis(9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PAI 15 002092

  • CAS :

    NA

  • Molecular Formula : C27H26N2O2

  • Molecular Weight : 410.52

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PAI 15 002093

7,7'-Methylenebis(9-methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PAI 15 002093

  • CAS :

    NA

  • Molecular Formula : C29H26N2O2

  • Molecular Weight : 434.54

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PA 15 0061000

1-((2-Chlorophenyl)diphenylmethyl)-4-methyl-1H-imidazole

1-((2-Chlorophenyl)diphenylmethyl)-4-methyl-1H-imidazole

  • Catalogue No.:PA 15 0061000

  • CAS :

    NA

  • Molecular Formula : C23H19ClN2

  • Molecular Weight : 358.86

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PA IPRS 68 16

Ondansetron (IPRS/68/16)

Ondansetron

  • Catalogue No.:PA IPRS 68 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 15 0061001

6-Methyl-2,3,4,9-tetrahydro-1H-carbazol-3-one

6-Methyl-2,3,4,9-tetrahydro-1H-carbazol-3-one

  • Catalogue No.:PA 15 0061001

  • CAS :

    1432682-04-6

  • Molecular Formula : C13H13NO

  • Molecular Weight : 199.25

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PA 15 0061002

6-Hydroxy Ondansetron

6-Hydroxy Ondansetron

  • Catalogue No.:PA 15 0061002

  • CAS :

    110708-17-3

  • Molecular Formula : C18H19N3O2

  • Molecular Weight : 309.37

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PA 15 0061005

3-((2-Bromophenyl)amino)cyclohex-2-en-1-one

3-((2-Bromophenyl)amino)cyclohex-2-en-1-one

  • Catalogue No.:PA 15 0061005

  • CAS :

    68890-19-7

  • Molecular Formula : C12H12BrNO

  • Molecular Weight : 266.14

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PA 15 0061003

7-Hydroxy Ondansetron

7-Hydroxy Ondansetron

  • Catalogue No.:PA 15 0061003

  • CAS :

    126702-17-8

  • Molecular Formula : C18H19N3O2

  • Molecular Weight : 309.37

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PA 15 0061004

8-Hydroxyondansetron

8-Hydroxyondansetron

  • Catalogue No.:PA 15 0061004

  • CAS :

    126671-71-4

  • Molecular Formula : C18H19N3O2

  • Molecular Weight : 309.37

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PA IMP 19 19

Ondansetron Impurity D (IMP/19/19) - from IPC

Ondansetron Impurity D (IMP/19/19) - from IPC

  • Catalogue No.:PA IMP 19 19

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA IPRS 01 16

Ondansetron Hydrochloride (IPRS/01/16) - from IPC

Ondansetron Hydrochloride (IPRS/01/16) - from IPC

  • Catalogue No.:PA IPRS 01 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA IMP 10 19

Ondansetron Impurity C (IMP/10/19) -from IPC

Ondansetron Impurity C (IMP/10/19) -from IPC

  • Catalogue No.:PA IMP 10 19

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 15 0061006

4-((2-Methyl-1H-imidazol-1-yl)methyl)spiro[cyclopentane-1,2'-indolin]-2-ene-3',5-dione

4-((2-Methyl-1H-imidazol-1-yl)methyl)spiro[cyclopentane-1,2'-indolin]-2-ene-3',5-dione

  • Catalogue No.:PA 15 0061006

  • CAS :

    NA

  • Molecular Formula : C17H15N3O2

  • Molecular Weight : 293.33

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PA 15 0061007

1-Hydroxy-9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one

1-Hydroxy-9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one

  • Catalogue No.:PA 15 0061007

  • CAS :

    NA

  • Molecular Formula : C18H19N3O2

  • Molecular Weight : 309.37

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PA IPRSO009

Ondansetron Hydrochloride (IPRSO009)

Ondansetron Hydrochloride (IPRSO009)

  • Catalogue No.:PA IPRSO009

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA IPRSO012

Ondansetron (IPRSO012)

Ondansetron (IPRSO012)

  • Catalogue No.:PA IPRSO012

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA IMPD039

Ondansetron Impurity A (IMPD039)

Ondansetron Impurity A (IMPD039)

  • Catalogue No.:PA IMPD039

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 15 0061008

6,6'-Methylenebis(1,2,3,9-tetrahydro-4H-carbazol-4-one)

6,6'-Methylenebis(1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PA 15 0061008

  • CAS :

    1216890-42-4

  • Molecular Formula : C25H22N2O2

  • Molecular Weight : 382.46

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PA 15 0061009

6,6'-Methylenebis(9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one)

6,6'-Methylenebis(9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PA 15 0061009

  • CAS :

    1365727-07-6

  • Molecular Formula : C27H26N2O2

  • Molecular Weight : 410.52

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PA 15 0061010

3-((2-Methyl-1H-pyrrol-1-yl)methyl)-9-nitroso-1,2,3,4a,9,9a-hexahydro-4H-carbazol-4-one

3-((2-Methyl-1H-pyrrol-1-yl)methyl)-9-nitroso-1,2,3,4a,9,9a-hexahydro-4H-carbazol-4-one

  • Catalogue No.:PA 15 0061010

  • CAS :

    NA

  • Molecular Formula : C18H19N3O2

  • Molecular Weight : 309.37

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PA 15 0061012

3-(Carboxymethyl)-2-methyl-1-((9-methyl-4-oxo-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl)-1H-imidazol-3-ium Chloride

3-(Carboxymethyl)-2-methyl-1-((9-methyl-4-oxo-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl)-1H-imidazol-3-ium Chloride

  • Catalogue No.:PA 15 0061012

  • CAS :

    NA

  • Molecular Formula : C20H22ClN3O3

  • Molecular Weight : 387.86

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PA 15 0061013

6,6'-Methylenebis(9-methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one)

6,6'-Methylenebis(9-methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one)

  • Catalogue No.:PA 15 0061013

  • CAS :

    1365727-09-8

  • Molecular Formula : C29H26N2O2

  • Molecular Weight : 434.54

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PA 15 0061011

4,4-(4,4-Isopropylidenediphenyl-1,1-diyldioxy)dianiline

4,4-(4,4-Isopropylidenediphenyl-1,1-diyldioxy)dianiline

  • Catalogue No.:PA 15 0061011

  • CAS :

    13080-86-9

  • Molecular Formula : C27H26N2O2

  • Molecular Weight : 410.52

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PA BSC 00615760

4-Methylimidazole (BSC)

4-Methylimidazole

  • Catalogue No.:PA BSC 00615760

  • CAS :

    822-36-6

  • Molecular Formula : C4H6N2

  • Molecular Weight : 82.1

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Drug Reference Standards & Impurity Synthesis in India
PA USP 1478645

Ondansetron Related Compound G (1478645)

Ondansetron Related Compound G (1478645)

  • Catalogue No.:PA USP 1478645

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 15 0061014

N-Nitroso N-Desmethyl Ondasetron

N-Nitroso N-Desmethyl Ondasetron

  • Catalogue No.:PA 15 0061014

  • CAS :

    NA

  • Molecular Formula : C17H16N4O2

  • Molecular Weight : 308.34

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Drug Reference Standards & Impurity Synthesis in India
PA STI 090010

Ondansetron D6

Ondansetron D6

  • Catalogue No.:PA STI 090010

  • CAS :

    1225443-52-6

  • Molecular Formula : C18H13D6N3O

  • Molecular Weight : 299.41

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