Tramadol and its Impurities

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

Displaying 31 results for Tramadol Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 20 0431000

N-Demethyltramadol

N-Demethyltramadol

  • Catalogue No.:PA 20 0431000

  • CAS :

    73806-55-0

  • Molecular Formula : C15H23NO2

  • Molecular Weight : 249.35

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Drug Reference Standards & Impurity Synthesis in India
PA 20 0431001

Rac-4-Hydroxycyclohexyl Tramadol Hydrochloride

Rac-4-Hydroxycyclohexyl Tramadol Hydrochloride

  • Catalogue No.:PA 20 0431001

  • CAS :

    273398-39-3

  • Molecular Formula : C16H26ClNO3

  • Molecular Weight : 315.84

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Drug Reference Standards & Impurity Synthesis in India
PA 20 43021

Tramadol - Impurity B (Freebase)

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

  • Catalogue No.:PA 20 43021

  • CAS :

    73825-64-6

  • Molecular Formula : C16H23NO

  • Molecular Weight : 245.37

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Drug Reference Standards & Impurity Synthesis in India
PA 20 43051

Tramadol - Impurity E (Freebase)

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

  • Catalogue No.:PA 20 43051

  • CAS :

    15409-60-6

  • Molecular Formula : C9H17NO

  • Molecular Weight : 155.24

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081001

O-Desmethyltramadol Glucuronide

O-Desmethyltramadol Glucuronide

  • Catalogue No.:PA 73 0081001

  • CAS :

    138921-77-4

  • Molecular Formula : C21H31NO8

  • Molecular Weight : 425.48

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081002

N-Nitroso N-Desmethyl Tramadol

N-Nitroso N-Desmethyl Tramadol

  • Catalogue No.:PA 73 0081002

  • CAS :

    NA

  • Molecular Formula : C15H22N2O3

  • Molecular Weight : 278.35

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081003

N-Nitroso-Desmethyl-Tramadol (Mixture)

N-Nitroso-Desmethyl-Tramadol (Mixture)

  • Catalogue No.:PA 73 0081003

  • CAS :

    NA

  • Molecular Formula : C15H22N2O3

  • Molecular Weight : 278.35

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081004

N,N,O-Tridemethyltramadol

N,N,O-Tridemethyltramadol

  • Catalogue No.:PA 73 0081004

  • CAS :

    185502-41-4

  • Molecular Formula : C13H19NO2

  • Molecular Weight : 221.3

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081005

O-methyl Tramadol

O-methyl Tramadol

  • Catalogue No.:PA 73 0081005

  • CAS :

    541506-07-4

  • Molecular Formula : C17H27NO2

  • Molecular Weight : 277.41

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000157

Tramadol impurity E (Y0000157)

Tramadol impurity E (Y0000157)

  • Catalogue No.:PA EPY0000157

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA STI 011280

rac N-Benzyl-N-desmethyl Tramadol-d3

rac N-Benzyl-N-desmethyl Tramadol-d3

  • Catalogue No.:PA STI 011280

  • CAS :

    1346601-74-8

  • Molecular Formula : C22H26D3NO2

  • Molecular Weight : 342.49

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Drug Reference Standards & Impurity Synthesis in India
PA STI 013660

2-(Bismethyl)aminomethylcyclohexanone-d6

2-(Bismethyl)aminomethylcyclohexanone-d6

  • Catalogue No.:PA STI 013660

  • CAS :

    873928-71-3

  • Molecular Formula : C9H11D6NO

  • Molecular Weight : 161.27

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Drug Reference Standards & Impurity Synthesis in India
PA STI 028790

rac N-Desmethyl Tramadol-d3 Hydrochloride

rac N-Desmethyl Tramadol-d3 Hydrochloride

  • Catalogue No.:PA STI 028790

  • CAS :

    1261398-09-7

  • Molecular Formula : C15H21D3ClNO2

  • Molecular Weight : 288.83

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Drug Reference Standards & Impurity Synthesis in India
PA STI 028800

O-Desmethyl Tramadol-d6

O-Desmethyl Tramadol-d6

  • Catalogue No.:PA STI 028800

  • CAS :

    873928-73-5

  • Molecular Formula : C15H17D6NO2

  • Molecular Weight : 255.39

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Drug Reference Standards & Impurity Synthesis in India
PA STI 028810

O-Desmethyl Tramadol-d6 Hydrochloride

O-Desmethyl Tramadol-d6 Hydrochloride

  • Catalogue No.:PA STI 028810

  • CAS :

    1261393-87-6

  • Molecular Formula : C15H18D6ClNO2

  • Molecular Weight : 291.85

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Drug Reference Standards & Impurity Synthesis in India
PA STI 028820

(+/-)-N-Desmethyl Trifluoroacetotramadol-d3

(+/-)-N-Desmethyl Trifluoroacetotramadol-d3

  • Catalogue No.:PA STI 028820

  • CAS :

    1346602-78-5

  • Molecular Formula : C17H19D3F3NO3

  • Molecular Weight : 348.38

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Drug Reference Standards & Impurity Synthesis in India
PA STI 031010

rac N,O-Didesmethyl Tramadol-d3

rac N,O-Didesmethyl Tramadol-d3

  • Catalogue No.:PA STI 031010

  • CAS :

    1261398-22-4

  • Molecular Formula : C14H18D3NO2

  • Molecular Weight : 238.34

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Drug Reference Standards & Impurity Synthesis in India
PA STI 047780

Rac-4-Hydroxycyclohexyl Tramadol-d6 Hydrochloride

Rac-4-Hydroxycyclohexyl Tramadol-d6 Hydrochloride

  • Catalogue No.:PA STI 047780

  • CAS :

    NA

  • Molecular Formula : C16H20D6ClNO3

  • Molecular Weight : 321.87

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Drug Reference Standards & Impurity Synthesis in India
PA 20 43010

Tramadol Hydrochloride - Impurity A (Hydrochloride Salt)

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

  • Catalogue No.:PA 20 43010

  • CAS :

    73806-49-2

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

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Drug Reference Standards & Impurity Synthesis in India
PA 20 43570

(+)-Tramadol

(+)-Tramadol

  • Catalogue No.:PA 20 43570

  • CAS :

    123154-38-1

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

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Drug Reference Standards & Impurity Synthesis in India
PA 20 43580

(-)-Tramadol

(-)-Tramadol

  • Catalogue No.:PA 20 43580

  • CAS :

    123134-25-8

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

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Drug Reference Standards & Impurity Synthesis in India
PA STI 084081

2-((Bis(methyl-d3)amino)methyl)-1-(3-methoxyphenyl)cyclohexan-1-ol Hydrochloride

2-((Bis(methyl-d3)amino)methyl)-1-(3-methoxyphenyl)cyclohexan-1-ol Hydrochloride

  • Catalogue No.:PA STI 084081

  • CAS :

    1189374-50-2

  • Molecular Formula : C16H20D6ClNO2

  • Molecular Weight : 305.88

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Drug Reference Standards & Impurity Synthesis in India
PA IMP 42 17

Tramadol Impurity A (IMP/42/17)

Tramadol Impurity A (IMP/42/17)

  • Catalogue No.:PA IMP 42 17

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089837

N-Nitroso N-Desmethyl Tramadol-d3

N-Nitroso N-Desmethyl Tramadol-d3

  • Catalogue No.:PA STI 089837

  • CAS :

    NA

  • Molecular Formula : C15H19D3N2O3

  • Molecular Weight : 281.37

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Drug Reference Standards & Impurity Synthesis in India
PA BP 893

Tramadol Impurity A (893)

Tramadol Impurity A (893)

  • Catalogue No.:PA BP 893

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EP Y0000156

Tramadol Impurity A (Y0000156)

Tramadol Impurity A (Y0000156)

  • Catalogue No.:PA EP Y0000156

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089906

Tramadol 13CD3

Tramadol 13CD3

  • Catalogue No.:PA STI 089906

  • CAS :

    1884682-17-0

  • Molecular Formula : C1513CH22D3NO2

  • Molecular Weight : 267.39

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089974

Tramadol-D6

Tramadol-D6

  • Catalogue No.:PA STI 089974

  • CAS :

    284025-75-8

  • Molecular Formula : C16H19D6NO2

  • Molecular Weight : 269.42

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081006

N-Methyl-N-((2-oxocyclohexyl)methyl)nitrous amide

N-Methyl-N-((2-oxocyclohexyl)methyl)nitrous amide

  • Catalogue No.:PA 73 0081006

  • CAS :

    NA

  • Molecular Formula : C8H14N2O2

  • Molecular Weight : 170.21

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081007

(4aS,8aS)-8a-(3-Methoxyphenyl)-3-methyloctahydro-2H-benzo[e][1,3]oxazine

(4aS,8aS)-8a-(3-Methoxyphenyl)-3-methyloctahydro-2H-benzo[e][1,3]oxazine

  • Catalogue No.:PA 73 0081007

  • CAS :

    NA

  • Molecular Formula : C16H23NO2

  • Molecular Weight : 261.37

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Drug Reference Standards & Impurity Synthesis in India
PA 73 0081008

2'-((Dimethylamino)methyl)-2',3',4',5'-tetrahydro-[1,1'-biphenyl]-3-ol (PSY)

2'-((Dimethylamino)methyl)-2',3',4',5'-tetrahydro-[1,1'-biphenyl]-3-ol (PSY)

  • Catalogue No.:PA 73 0081008

  • CAS :

    90376-30-0

  • Molecular Formula : C15H21NO

  • Molecular Weight : 231.34

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