Phenytoin and its Impurities

A sodium salt of Phenytoin which is an anti-seizure and anti-epileptic drug. It works by blocking the voltage gated sodium channels. Reference standards of Phenytoin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 33 results for Phenytoin Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 16 25000

Phenytoin

Phenytoin

  • Catalogue No.:PA 16 25000

  • CAS :

    57-41-0

  • Molecular Formula : C15H12N2O2

  • Molecular Weight : 252.27

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25010

Phenytoin - Impurity A

Diphenylmethanone

  • Catalogue No.:PA 16 25010

  • CAS :

    119-61-9

  • Molecular Formula : C13H10O

  • Molecular Weight : 182.22

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25020

Phenytoin - Impurity B

Diphenylethanedione

  • Catalogue No.:PA 16 25020

  • CAS :

    134-81-6

  • Molecular Formula : C14H10O2

  • Molecular Weight : 210.23

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25030

Phenytoin - Impurity C

2,2-Diphenylglycine

  • Catalogue No.:PA 16 25030

  • CAS :

    3060-50-2

  • Molecular Formula : C14H13NO2

  • Molecular Weight : 227.26

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25510

3-(Hydroxymethyl)-5,5-diphenylimidazolidine-2,4-dione

3-(Hydroxymethyl)-5,5-diphenylimidazolidine-2,4-dione

  • Catalogue No.:PA 16 25510

  • CAS :

    21616-46-6

  • Molecular Formula : C16H14N2O3

  • Molecular Weight : 282.29

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25050

Phenytoin - Impurity E

(Carbamoylamino)(diphenyl)acetic Acid

  • Catalogue No.:PA 16 25050

  • CAS :

    6802-95-5

  • Molecular Formula : C15H14N2O3

  • Molecular Weight : 270.29

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25060

Phenytoin - Impurity F

5-(4-Methylphenyl)-5-phenylimidazolidine-2,4-dione

  • Catalogue No.:PA 16 25060

  • CAS :

    51169-17-6

  • Molecular Formula : C16H14N2O2

  • Molecular Weight : 266.30

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25520

(S)-Mephenytoin

(S)-Mephenytoin

  • Catalogue No.:PA 16 25520

  • CAS :

    70989-04-7

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.26

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Drug Reference Standards & Impurity Synthesis in India
PA 16 25530

(S)-(+)-N-3-Benzylnirvanol

(S)-(+)-N-3-Benzylnirvanol

  • Catalogue No.:PA 16 25530

  • CAS :

    790676-40-3

  • Molecular Formula : C18H18N2O2

  • Molecular Weight : 294.35

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Drug Reference Standards & Impurity Synthesis in India
PA ICRS0387

Phenytoin (ICRS0387)

Phenytoin (ICRS0387)

  • Catalogue No.:PA ICRS0387

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 31 11

Phenytoin Sodium (IPRS/31/11)-from IPC

Phenytoin Sodium (IPRS/31/11)-from IPC

  • Catalogue No.:PA IPIPRS 31 11

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPP1290000

Phenytoin (P1290000)

Phenytoin (P1290000)

  • Catalogue No.:PA EPP1290000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPP1300000

Phenytoin sodium (P1300000)

Phenytoin sodium (P1300000)

  • Catalogue No.:PA EPP1300000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001167

Phenytoin for system suitability (Y0001167)

Phenytoin for system suitability (Y0001167)

  • Catalogue No.:PA EPY0001167

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1535008

Phenytoin (1535008)

Phenytoin (1535008)

  • Catalogue No.:PA USP1535008

  • CAS :

    57-41-0

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1535019

Phenytoin Related Compound A (2,2-Diphenylglycine) (1535019)

Phenytoin Related Compound A (2,2-Diphenylglycine) (1535019)

  • Catalogue No.:PA USP1535019

  • CAS :

    3060-50-2

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1535020

Phenytoin Related Compound B (alpha-((aminocarbonyl)amino)-alpha-phenyl benzeneacetic acid) (1535020)

Phenytoin Related Compound B (alpha-((aminocarbonyl)amino)-alpha-phenyl benzeneacetic acid) (1535020)

  • Catalogue No.:PA USP1535020

  • CAS :

    6802-95-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1535507

Phenytoin Sodium (1535507)

Phenytoin Sodium (1535507)

  • Catalogue No.:PA USP1535507

  • CAS :

    630-93-3

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPRS 50 16

Phenytoin sodium(IPRS/50/16)

Phenytoin sodium(IPRS/50/16)

  • Catalogue No.:PA IPRS 50 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251000

2-Amino-2,2-diphenylacetamide

2-Amino-2,2-diphenylacetamide

  • Catalogue No.:PA 16 0251000

  • CAS :

    15427-81-3

  • Molecular Formula : C14H14N2O

  • Molecular Weight : 226.28

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251001

(+/-)-4-Hydroxy Mephenytoin

(+/-)-4-Hydroxy Mephenytoin

  • Catalogue No.:PA 16 0251001

  • CAS :

    61837-65-8

  • Molecular Formula : C12H14N2O3

  • Molecular Weight : 234.26

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Drug Reference Standards & Impurity Synthesis in India
PA 1238

Phenytoin Sodium (1238)

Phenytoin Sodium (1238)

  • Catalogue No.:PA 1238

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPRSP016

Phenytoin Sodium (IPRSP016) - from IPC

Phenytoin Sodium (IPRSP016) - from IPC

  • Catalogue No.:PA IPRSP016

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251002

(S)-4-Hydroxy Mephenytoin

(S)-4-Hydroxy Mephenytoin

  • Catalogue No.:PA 16 0251002

  • CAS :

    82695-93-0

  • Molecular Formula : C12H14N2O3

  • Molecular Weight : 234.26

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Drug Reference Standards & Impurity Synthesis in India
PAI 16 025001

Methyl 2,2-diphenyl-2-ureidoacetate

Methyl 2,2-diphenyl-2-ureidoacetate

  • Catalogue No.:PAI 16 025001

  • CAS :

    NA

  • Molecular Formula : C16H16N2O3

  • Molecular Weight : 284.32

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Drug Reference Standards & Impurity Synthesis in India
PAI 16 025002

Methyl 2-amino-2,2-diphenylacetate

Methyl 2-amino-2,2-diphenylacetate

  • Catalogue No.:PAI 16 025002

  • CAS :

    93504-23-5

  • Molecular Formula : C15H15NO2

  • Molecular Weight : 241.29

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251003

rac N-Desmethyl Mephenytoin

rac N-Desmethyl Mephenytoin

  • Catalogue No.:PA 16 0251003

  • CAS :

    631-07-2

  • Molecular Formula : C11H12N2O2

  • Molecular Weight : 204.23

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251004

3-Hydroxyphenytoin

3-Hydroxyphenytoin

  • Catalogue No.:PA 16 0251004

  • CAS :

    30074-03-4

  • Molecular Formula : C15H12N2O3

  • Molecular Weight : 268.27

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251005

Methylphenytoin

Methylphenytoin

  • Catalogue No.:PA 16 0251005

  • CAS :

    4224-00-4

  • Molecular Formula : C16H14N2O2

  • Molecular Weight : 266.3

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251006

5-(2-Methylpropylidene)imidazolidine-2,4-dione

5-(2-Methylpropylidene)imidazolidine-2,4-dione

  • Catalogue No.:PA 16 0251006

  • CAS :

    55666-11-0

  • Molecular Formula : C7H10N2O2

  • Molecular Weight : 154.17

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251007

5-Benzyl Hydantoin

5-Benzyl Hydantoin

  • Catalogue No.:PA 16 0251007

  • CAS :

    3530-82-3

  • Molecular Formula : C10H10N2O2

  • Molecular Weight : 190.2

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0251008

N-Nitroso Phenytoin

N-Nitroso Phenytoin

  • Catalogue No.:PA 16 0251008

  • CAS :

    NA

  • Molecular Formula : C15H11N3O3

  • Molecular Weight : 281.27

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0250051

Phenytoin - Impurity E (Potassium Salt)

(Carbamoylamino)(diphenyl)acetic Acid Potassium Salt

  • Catalogue No.:PA 16 0250051

  • CAS :

    NA

  • Molecular Formula : C15H13KN2O3

  • Molecular Weight : 308.38

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