Phenobarbital and its Impurities

Phenobarbital is a long-acting anticonvulsant medication used to treat epilepsy, seizure disorders, and neonatal seizures by reducing abnormal electrical activity in the brain. Reference standards of Phenobarbital API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 12 results for Phenobarbital Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 16 0181001

N-Carbamimidoyl-2-phenylbutanamide

N-Carbamimidoyl-2-phenylbutanamide

  • Catalogue No.:PA 16 0181001

  • CAS :

    2386917-97-9

  • Molecular Formula : C11H15N3O

  • Molecular Weight : 205.26

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Drug Reference Standards & Impurity Synthesis in India
PA 16 18010

Phenobarbital - Impurity A

(5RS)-5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one

  • Catalogue No.:PA 16 18010

  • CAS :

    69125-70-8

  • Molecular Formula : C12H14N4O

  • Molecular Weight : 230.27

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Drug Reference Standards & Impurity Synthesis in India
PA 16 18020

Phenobarbital - Impurity B

(5RS)-5-Ethyl-6-imino-5-phenyldihydropyrimidine-2,4(1H,3H)-dione

  • Catalogue No.:PA 16 18020

  • CAS :

    58042-96-9

  • Molecular Formula : C12H13N3O2

  • Molecular Weight : 231.25

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001350

Phenobarbital impurity A (Y0001350)

Phenobarbital impurity A (Y0001350)

  • Catalogue No.:PA EPY0001350

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001351

Phenobarbital impurity B (Y0001351)

Phenobarbital impurity B (Y0001351)

  • Catalogue No.:PA EPY0001351

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA STI 072800

2-Phenylbutyric Acid-d5 Methyl Ester

2-Phenylbutyric Acid-d5 Methyl Ester

  • Catalogue No.:PA STI 072800

  • CAS :

    1794940-35-4

  • Molecular Formula : C11H9D5O2

  • Molecular Weight : 183.26

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Drug Reference Standards & Impurity Synthesis in India
PA STI 088805

4-Hydroxy Phenobarbital-d5

4-Hydroxy Phenobarbital-d5

  • Catalogue No.:PA STI 088805

  • CAS :

    111342-31-5

  • Molecular Formula : C12H7D5N2O4

  • Molecular Weight : 253.27

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0180030

Phenobarbital - Impurity C

5-Methyl-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione

  • Catalogue No.:PA 16 0180030

  • CAS :

    76-94-8

  • Molecular Formula : C11H10N2O3

  • Molecular Weight : 218.21

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0181002

Pheneturide

Pheneturide

  • Catalogue No.:PA 16 0181002

  • CAS :

    90-49-3

  • Molecular Formula : C11H14N2O2

  • Molecular Weight : 206.25

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0181000

Phenobarbital N-β-D-Glucuronide

Phenobarbital N-β-D-Glucuronide

  • Catalogue No.:PA 16 0181000

  • CAS :

    1031858-68-0

  • Molecular Formula : C18H20N2O9

  • Molecular Weight : 408.36

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0181003

5-Ethylbarbituric Acid

5-Ethylbarbituric Acid

  • Catalogue No.:PA 16 0181003

  • CAS :

    2518-72-1

  • Molecular Formula : C6H8N2O3

  • Molecular Weight : 156.14

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Drug Reference Standards & Impurity Synthesis in India
PA 16 0180000

Phenobarbital (PSY)

Phenobarbital (PSY)

  • Catalogue No.:PA 16 0180000

  • CAS :

    50-06-6

  • Molecular Formula : C12H12N2O3

  • Molecular Weight : 232.24

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