Tramadol Hydrochloride and its Impurities

Tramadol Hydrochloride is used primarily to treat mild to severe pain. It is available as a generic medication and marketed under many brand names worldwide. It is sold under the brand name Ultram. Reference standards of Tramadol Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 23 results for Tramadol Hydrochloride Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 20 0431002

N,O-Didesmethyl Tramadol

N,O-Didesmethyl Tramadol


  • Catalogue No.:PA 20 0431002

  • CAS :

    138853-73-3

  • Molecular Formula : C14H21NO2

  • Molecular Weight : 235.33

Drug Reference Standards & Impurity Synthesis in India
PA 20 0431003

[2-(3-Hydroxyphenyl)cyclohex-1- enyl]-N,N-dimethylmethanamine Hydrochloride

[2-(3-Hydroxyphenyl)cyclohex-1- enyl]-N,N-dimethylmethanamine Hydrochloride


  • Catalogue No.:PA 20 0431003

  • CAS :

    16160-12-6

  • Molecular Formula : C15H22ClNO

  • Molecular Weight : 267.8

Drug Reference Standards & Impurity Synthesis in India
PA 20 43020

Tramadol - Impurity B

[2-(3-Methoxyphenyl)cyclohex-1-enyl]-N,N-dimethylmethanamine Hydrochloride


  • Catalogue No.:PA 20 43020

  • CAS :

    66170-32-9

  • Molecular Formula : C16H24ClNO

  • Molecular Weight : 281.82

Drug Reference Standards & Impurity Synthesis in India
PA 20 43030

Tramadol - Impurity C

[2-(3-Methoxyphenyl)cyclohex-2-enyl]-N,N-dimethylmethanamine Hydrochloride


  • Catalogue No.:PA 20 43030

  • CAS :

    66170-31-8

  • Molecular Formula : C16H24ClNO

  • Molecular Weight : 281.82

Drug Reference Standards & Impurity Synthesis in India
PA 20 43031

Tramadol - Impurity C (Freebase)

1,6-Dehydro Tramadol


  • Catalogue No.:PA 20 43031

  • CAS :

    192384-41-1

  • Molecular Formula : C16H23NO

  • Molecular Weight : 245.36

Drug Reference Standards & Impurity Synthesis in India
PA 20 43040

Tramadol - Impurity D (Hydrochloride Salt)

2-[(Dimethylamino)methyl]-1-(3-hydroxyphenyl)cyclohexanol Hydrochloride


  • Catalogue No.:PA 20 43040

  • CAS :

    185453-02-5

  • Molecular Formula : C15H24ClNO2

  • Molecular Weight : 285.81

Drug Reference Standards & Impurity Synthesis in India
PA 20 43041

Tramadol - Impurity D (Freebase)

2-[(Dimethylamino)methyl]-1-(3-hydroxyphenyl)cyclohexanol


  • Catalogue No.:PA 20 43041

  • CAS :

    73986-53-5

  • Molecular Formula : C15H23NO2

  • Molecular Weight : 249.35

Drug Reference Standards & Impurity Synthesis in India
PA 20 43050

Tramadol - Impurity E (Hydrochloride Salt)

(2RS)-2-[(Dimethylamino)methyl]cyclohexanone Hydrochloride


  • Catalogue No.:PA 20 43050

  • CAS :

    42036-65-7

  • Molecular Formula : C9H18ClNO

  • Molecular Weight : 191.7

Drug Reference Standards & Impurity Synthesis in India
PA 20 43510

3-Bromoanisole

3-Bromoanisole


  • Catalogue No.:PA 20 43510

  • CAS :

    2398-37-0

  • Molecular Formula : C7H7BrO

  • Molecular Weight : 187.03

Drug Reference Standards & Impurity Synthesis in India
PA 20 43520

N-Desmethyltramadol Hydrochloride

N-Desmethyltramadol Hydrochloride


  • Catalogue No.:PA 20 43520

  • CAS :

    1018989-94-0

  • Molecular Formula : C15H24ClNO2

  • Molecular Weight : 285.81

Drug Reference Standards & Impurity Synthesis in India
PA 20 43530

N,O-Didesmethyltramadol Hydrochloride

N,O-Didesmethyltramadol Hydrochloride


  • Catalogue No.:PA 20 43530

  • CAS :

    333338-16-2

  • Molecular Formula : C14H22ClNO2

  • Molecular Weight : 271.78

Drug Reference Standards & Impurity Synthesis in India
PA 20 43540

3-Methoxyphenol

3-Methoxyphenol


  • Catalogue No.:PA 20 43540

  • CAS :

    150-19-6

  • Molecular Formula : C7H8O2

  • Molecular Weight : 124.14

Drug Reference Standards & Impurity Synthesis in India
PA 20 43550

Tramadol N-Oxide

Tramadol N-Oxide


  • Catalogue No.:PA 20 43550

  • CAS :

    147441-56-3

  • Molecular Formula : C16H25NO3

  • Molecular Weight : 279.37

Drug Reference Standards & Impurity Synthesis in India
PA 20 43560

O-Desmethyl Tramadol Hydrochloride

O-Desmethyl Tramadol Hydrochloride


  • Catalogue No.:PA 20 43560

  • CAS :

    148262-77-5

  • Molecular Formula : C15H24ClNO2

  • Molecular Weight : 285.81

Drug Reference Standards & Impurity Synthesis in India
PA 20 0430011

Tramadol Hydrochloride - Impurity A (Freebase)

(1RS,2SR)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexan-1-ol


  • Catalogue No.:PA 20 0430011

  • CAS :

    152538-36-8

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

Drug Reference Standards & Impurity Synthesis in India
PA IPRS 79 20

Tramadol Hydrochloride (IPRS/79/20)

Tramadol Hydrochloride (IPRS/79/20)


  • Catalogue No.:PA IPRS 79 20

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA 20 43000

Tramadol Hydrochloride

Tramadol Hydrochloride


  • Catalogue No.:PA 20 43000

  • CAS :

    36282-47-0

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

Drug Reference Standards & Impurity Synthesis in India
PA EP Y0000155

Tramadol hydrochloride (Y0000155)

Tramadol hydrochloride (Y0000155)


  • Catalogue No.:PA EP Y0000155

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Drug Reference Standards & Impurity Synthesis in India
PA 20 0431004

(RS,SR)-1-(3-Hydroxyphenyl)-2-(dimethylaminomethyl)cyclohexanol (PSY)

(RS,SR)-1-(3-Hydroxyphenyl)-2-(dimethylaminomethyl)cyclohexanol (PSY)


  • Catalogue No.:PA 20 0431004

  • CAS :

    175417-95-5

  • Molecular Formula : C15H23NO2

  • Molecular Weight : 249.35

Drug Reference Standards & Impurity Synthesis in India
PA 20 0431005

(-)-Tramadol Hydrochloride

(-)-Tramadol Hydrochloride


  • Catalogue No.:PA 20 0431005

  • CAS :

    148229-79-2

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

Drug Reference Standards & Impurity Synthesis in India
PA 20 0431006

(+)-Tramadol Hydrochloride

(+)-Tramadol Hydrochloride


  • Catalogue No.:PA 20 0431006

  • CAS :

    148229-78-1

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

Drug Reference Standards & Impurity Synthesis in India
PA STI 090091

(+)-Tramadol-D9

(+)-Tramadol-D9


  • Catalogue No.:PA STI 090091

  • CAS :

    1109217-91-5

  • Molecular Formula : C16H16D9NO2

  • Molecular Weight : 272.44

Drug Reference Standards & Impurity Synthesis in India
PA STI 090092

(-)-O-Desmethyl Tramadol-d6

(-)-O-Desmethyl Tramadol-d6


  • Catalogue No.:PA STI 090092

  • CAS :

    1109218-03-2

  • Molecular Formula : C15H17D6NO2

  • Molecular Weight : 255.39

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