Methylphenidate-impurities | Pharmaffiliates

Methylphenidate and its Impurities

Methylphenidate is most commonly used to treat ADHD and narcolepsy. It is sold under the trade name Ritalin. Reference standards of Methylphenidate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 20 results for Methylphenidate Impurities
PA 13 1921000

3,3'-(Piperidine-1,2-diyl)bis(3-phenylpropanoic Acid)

3,3'-(Piperidine-1,2-diyl)bis(3-phenylpropanoic Acid)


  • Catalogue No.:PA 13 1921000

  • CAS :

    2731021-90-0

  • Molecular Formula : C23H27NO4

  • Molecular Weight : 381.47

PA 13 1921001

2-(1-Nitrosopiperidin-2-yl)-2-phenylacetamide

2-(1-Nitrosopiperidin-2-yl)-2-phenylacetamide


  • Catalogue No.:PA 13 1921001

  • CAS :

    NA

  • Molecular Formula : C13H17N3O2

  • Molecular Weight : 247.3

PA 13 96510

D-erythro-Ethylphenidate Hydrochloride

D-erythro-Ethylphenidate Hydrochloride


  • Catalogue No.:PA 13 96510

  • CAS :

    NA

  • Molecular Formula : C15H22ClNO2

  • Molecular Weight : 283.79

PA 13 96520

L-erythro-Ethylphenidate Hydrochloride

L-erythro-Ethylphenidate Hydrochloride


  • Catalogue No.:PA 13 96520

  • CAS :

    NA

  • Molecular Formula : C15H22ClNO2

  • Molecular Weight : 283.79

PA 13 96530

rac-threo-Ethylphenidate Hydrochloride

rac-threo-Ethylphenidate Hydrochloride


  • Catalogue No.:PA 13 96530

  • CAS :

    214149-46-9

  • Molecular Formula : C15H22ClNO2

  • Molecular Weight : 283.79

PA 13 96540

D-threo-Ethylphenidate Hydrochloride

D-threo-Ethylphenidate Hydrochloride


  • Catalogue No.:PA 13 96540

  • CAS :

    851764-84-6

  • Molecular Formula : C15H22ClNO2

  • Molecular Weight : 283.79

PA 13 96550

L-threo-Ethylphenidate Hydrochloride

L-threo-Ethylphenidate Hydrochloride


  • Catalogue No.:PA 13 96550

  • CAS :

    851764-85-7

  • Molecular Formula : C15H22ClNO2

  • Molecular Weight : 283.79

PA 13 96560

D-Ritalinic Acid

D-Ritalinic Acid


  • Catalogue No.:PA 13 96560

  • CAS :

    129389-67-9

  • Molecular Formula : C13H17NO2

  • Molecular Weight : 219.28

PA 13 96570

DL-threo-Ritalinic Acid

DL-threo-Ritalinic Acid


  • Catalogue No.:PA 13 96570

  • CAS :

    54631-24-2

  • Molecular Formula : C13H17NO2

  • Molecular Weight : 219.28

PA 13 96580

DL-erythro Ritalinic Acid

DL-erythro Ritalinic Acid


  • Catalogue No.:PA 13 96580

  • CAS :

    783256-74-6

  • Molecular Formula : C13H17NO2

  • Molecular Weight : 219.28

PA 13 96590

(S)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate

(S)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate


  • Catalogue No.:PA 13 96590

  • CAS :

    NA

  • Molecular Formula : C16H23NO4

  • Molecular Weight : 293.36

PA 13 96600

(R)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate compound with (S)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate (1:1)

(R)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate compound with (S)-2,3-Dihydroxypropyl (S)-2-phenyl-2-((R)-piperidin-2-yl)acetate (1:1)


  • Catalogue No.:PA 13 96600

  • CAS :

    NA

  • Molecular Formula : C16H23NO4

  • Molecular Weight : 293.36

PA 13 96610

DL-threo-Ritalinic Acid Lactam (Mixture of Diastereomers)

DL-threo-Ritalinic Acid Lactam (Mixture of Diastereomers)


  • Catalogue No.:PA 13 96610

  • CAS :

    54593-31-6

  • Molecular Formula : C13H15NO3

  • Molecular Weight : 233.27

PA EPY0001490

Methylphenidate impurity C (Y0001490)

Methylphenidate impurity C (Y0001490)


  • Catalogue No.:PA EPY0001490

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA STI 073260

α-Phenyl-2-pyridineacetamide-d5

α-Phenyl-2-pyridineacetamide-d5


  • Catalogue No.:PA STI 073260

  • CAS :

    NA

  • Molecular Formula : C13H7D5N2O

  • Molecular Weight : 217.28

PA STI 076320

2-Pyridinamine-d4

2-Pyridinamine-d4


  • Catalogue No.:PA STI 076320

  • CAS :

    87802-54-8

  • Molecular Formula : C5H2D4N2

  • Molecular Weight : 98.14

PA STI 088864

α-Phenyl-2-piperidineacetamide-d10 (Mixture of Diastereomers)

α-Phenyl-2-piperidineacetamide-d10 (Mixture of Diastereomers)


  • Catalogue No.:PA STI 088864

  • CAS :

    1189426-25-2

  • Molecular Formula : C13H8D10N2O

  • Molecular Weight : 228.36

PAI 13 192001

2-Phenyl-2-(pyridin-2-yl)acetonitrile

2-Phenyl-2-(pyridin-2-yl)acetonitrile


  • Catalogue No.:PAI 13 192001

  • CAS :

    5005-36-7

  • Molecular Formula : C13H10N2

  • Molecular Weight : 194.24

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PA 13 1921002

N-Nitrosomethylphenidate

N-Nitrosomethylphenidate


  • Catalogue No.:PA 13 1921002

  • CAS :

    55557-03-4

  • Molecular Formula : C14H18N2O3

  • Molecular Weight : 262.31

PA 13 1921003

Bis-Methylphenidate

Bis-Methylphenidate


  • Catalogue No.:PA 13 1921003

  • CAS :

    2125941-27-5

  • Molecular Formula : C23H27NO4

  • Molecular Weight : 381.47