Venlafaxine is used primarily for the treatment of depression, general anxiety disorder, social phobia, panic disorder, and vasomotor symptoms. It is available as a generic medication. It is sold under the brand name Effexor.Reference standards of Venlafaxine Hydrochloride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA 22 07000

Venlafaxine Hydrochloride - API


  • Catalogue No.:PA 22 07000

  • Molecular Formula : C17H28ClNO2

  • Molecular Weight : 313.86

PA 22 07010

Venlafaxine Hydrochloride - Impurity A


  • Catalogue No.:PA 22 07010

  • Molecular Formula : C11H18ClNO

  • Molecular Weight : 215.72

PA 22 07020

Venlafaxine Hydrochloride - Impurity B


  • Catalogue No.:PA 22 07020

  • Molecular Formula : C14H22ClNO3

  • Molecular Weight : 287.78

PA 22 07021

Venlafaxine Hydrochloride - Impurity B (Freebase)


  • Catalogue No.:PA 22 07021

  • Molecular Formula : C14H21NO3

  • Molecular Weight : 251.32

PA 22 07030

Venlafaxine Hydrochloride - Impurity C


  • Catalogue No.:PA 22 07030

  • Molecular Formula : C15H24ClNO2

  • Molecular Weight : 285.81

PA 22 07031

Venlafaxine Hydrochloride - Impurity C (Freebase)


  • Catalogue No.:PA 22 07031

  • Molecular Formula : C15H23NO2

  • Molecular Weight : 249.35

PA 22 07040

Venlafaxine Hydrochloride (HCl) - Impurity D


  • Catalogue No.:PA 22 07040

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

PA 22 07041

Venlafaxine Hydrochloride - Impurity D (Freebase)


  • Catalogue No.:PA 22 07041

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

PA 22 07050

Venlafaxine Hydrochloride - Impurity E


  • Catalogue No.:PA 22 07050

  • Molecular Formula : C17H26ClNO2

  • Molecular Weight : 311.85

PA 22 07060

Venlafaxine Hydrochloride - Impurity F


  • Catalogue No.:PA 22 07060

  • Molecular Formula : C17H26ClNO

  • Molecular Weight : 295.85

PA 22 07061

Venlafaxine Hydrochloride - Impurity F (Freebase)


  • Catalogue No.:PA 22 07061

  • Molecular Formula : C17H25NO

  • Molecular Weight : 259.39

PA 22 07070

Venlafaxine Hydrochloride - Impurity G (Hydrochloride Salt)


  • Catalogue No.:PA 22 07070

  • Molecular Formula : C17H28ClNO

  • Molecular Weight : 297.86

PA 22 07071

Venlafaxine Hydrochloride - Impurity G (Freebase)


  • Catalogue No.:PA 22 07071

  • Molecular Formula : C17H27NO

  • Molecular Weight : 261.40

PA 22 07080

Venlafaxine Hydrochloride - Impurity H


  • Catalogue No.:PA 22 07080

  • Molecular Formula : C24H34ClNO3

  • Molecular Weight : 419.98

PA 22 07081

Venlafaxine Hydrochloride - Impurity H (Freebase)


  • Catalogue No.:PA 22 07081

  • Molecular Formula : C24H33NO3

  • Molecular Weight : 383.52

PA 22 07510


  • Catalogue No.:PA 22 07510

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

PA 22 07520

Decyclohexanol-ethoxycarbonyl-O-desmethyl Venlafaxine


  • Catalogue No.:PA 22 07520

  • Molecular Formula : C13H19NO3

  • Molecular Weight : 237.29

PA 22 07530

Venlafaxine Hydroxy Nitrile Impurity


  • Catalogue No.:PA 22 07530

  • Molecular Formula : C15H19NO2

  • Molecular Weight : 245.32

PA 22 07540

PA 22 07560

Venlafaxine Hydrochloride - Impurity A (Freebase)


  • Catalogue No.:PA 22 07560

  • Molecular Formula : C11H17NO

  • Molecular Weight : 179.26

PA 22 07570

PA 22 07580

Desvenlafaxine Hydrochloride


  • Catalogue No.:PA 22 07580

  • Molecular Formula : C16H26ClNO2

  • Molecular Weight : 299.84

PA 22 07590

N-Formyl-1-(2-amino-1-(4-methoxyphenyl)ethyl)cyclohexanol


  • Catalogue No.:PA 22 07590

  • Molecular Formula : C16H23NO3

  • Molecular Weight : 277.36

PA 22 07600

Bis(4-methoxybenzyl) Ketone


  • Catalogue No.:PA 22 07600

  • Molecular Formula : C17H18O3

  • Molecular Weight : 270.33

PA STI 086800

D,L-Venlafaxine-d10 Hydrochloride


  • Catalogue No.:PA STI 086800

  • Molecular Formula : C17H18D10ClNO2

  • Molecular Weight : 323.92

PA 22 07072

Venlafaxine Hydrochloride - Impurity G (Oxalate Salt)


  • Catalogue No.:PA 22 07072

  • Molecular Formula : C19H29NO5

  • Molecular Weight : 351.44

PA 22 07610

O-Desmethyl Venlafaxine Dimer


  • Catalogue No.:PA 22 07610

  • Molecular Formula : C33H50N2O4

  • Molecular Weight : 538.77

PA 22 07620

4-(2-Amino-1-(1-hydroxycyclohexyl)ethyl)phenol Hydrobromide


  • Catalogue No.:PA 22 07620

  • Molecular Formula : C14H22BrNO2

  • Molecular Weight : 316.24

PA 22 07630

2-(1-Hydroxycyclohexyl)-2-(4-methoxyphenyl)-N,N-dimethylacetamide


  • Catalogue No.:PA 22 07630

  • Molecular Formula : C17H25NO3

  • Molecular Weight : 291.39

PA 22 07051

Venlafaxine Hydrochloride - Impurity E (Freebase)


  • Catalogue No.:PA 22 07051

  • Molecular Formula : C17H25NO2

  • Molecular Weight : 275.39

PA 22 07650

PA 22 07660

R-Venlafaxine Di-p-toluoyl-D-tartrate Salt


  • Catalogue No.:PA 22 07660

  • Molecular Formula : C37H45NO10

  • Molecular Weight : 663.75

PA 22 07670

PA 22 07680

S-Venlafaxine-di-p-toluoyl-L-tartrate Salt (2:1)


  • Catalogue No.:PA 22 07680

  • Molecular Formula : C37H45NO10

  • Molecular Weight : 663.76

PA 22 07690

4-(2-Amino-1-(1-hydroxycyclohexyl)ethyl)phenol


  • Catalogue No.:PA 22 07690

  • Molecular Formula : C14H21NO2

  • Molecular Weight : 235.33

PA 22 0070031

Venlafaxine Hydrochloride - Impurity C (Acetate Salt)


  • Catalogue No.:PA 22 0070031

  • Molecular Formula : C17H27NO4

  • Molecular Weight : 309.41

PA 22 0071001

R-(-)-O-Desmethyl Venlafaxine


  • Catalogue No.:PA 22 0071001

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

PA 22 0071002

S-(+)-O-Desmethyl Venlafaxine


  • Catalogue No.:PA 22 0071002

  • Molecular Formula : C16H25NO2

  • Molecular Weight : 263.38

PA 22 0071000

Rac O-Desmethyl Venlafaxine β-D-Glucuronide


  • Catalogue No.:PA 22 0071000

  • Molecular Formula : C22H33NO8

  • Molecular Weight : 439.51

PA STI 088394

rac-O-Desmethyl Venlafaxine-D6


  • Catalogue No.:PA STI 088394

  • Molecular Formula : C16H19D6NO2

  • Molecular Weight : 269.42

PA 22 0071003

D,L-N,N-didesmethyl-o-desmethyl venlafaxine hydrochloride


  • Catalogue No.:PA 22 0071003

  • Molecular Formula : C14H22ClNO2

  • Molecular Weight : 271.79

PA 22 0071004

rac N,N-Didesmethyl-o-desmethyl venlafaxine glucuronide


  • Catalogue No.:PA 22 0071004

  • Molecular Formula : C20H29NO8

  • Molecular Weight : 411.45

PA 22 0071005

N-Boc N,O-Didesmethylvenlafaxine


  • Catalogue No.:PA 22 0071005

  • Molecular Formula : C19H29NO4

  • Molecular Weight : 335.44

PA 22 0071006

1-[2-Dimethylamino-1-(4-methoxyphenyl) ethyl] cyclohexane HCl


  • Catalogue No.:PA 22 0071006

  • Molecular Formula : C17H28ClNO

  • Molecular Weight : 297.87



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