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.

Venlafaxine Hydrochloride - API
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Catalogue No.:PA 22 07000
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Molecular Formula : C17H28ClNO2
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Molecular Weight : 313.86

Venlafaxine Hydrochloride - Impurity A
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Catalogue No.:PA 22 07010
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Molecular Formula : C11H18ClNO
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Molecular Weight : 215.72

Venlafaxine Hydrochloride - Impurity B
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Catalogue No.:PA 22 07020
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Molecular Formula : C14H22ClNO3
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Molecular Weight : 287.78

Venlafaxine Hydrochloride - Impurity B (Freebase)
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Catalogue No.:PA 22 07021
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Molecular Formula : C14H21NO3
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Molecular Weight : 251.32

Venlafaxine Hydrochloride - Impurity C
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Catalogue No.:PA 22 07030
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Molecular Formula : C15H24ClNO2
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Molecular Weight : 285.81

Venlafaxine Hydrochloride - Impurity C (Freebase)
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Catalogue No.:PA 22 07031
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Molecular Formula : C15H23NO2
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Molecular Weight : 249.35

Venlafaxine Hydrochloride (HCl) - Impurity D
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Catalogue No.:PA 22 07040
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Molecular Formula : C16H26ClNO2
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Molecular Weight : 299.84

Venlafaxine Hydrochloride - Impurity D (Freebase)
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Catalogue No.:PA 22 07041
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Molecular Formula : C16H25NO2
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Molecular Weight : 263.38

Venlafaxine Hydrochloride - Impurity E
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Catalogue No.:PA 22 07050
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Molecular Formula : C17H26ClNO2
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Molecular Weight : 311.85

Venlafaxine Hydrochloride - Impurity F
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Catalogue No.:PA 22 07060
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Molecular Formula : C17H26ClNO
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Molecular Weight : 295.85

Venlafaxine Hydrochloride - Impurity F (Freebase)
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Catalogue No.:PA 22 07061
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Molecular Formula : C17H25NO
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Molecular Weight : 259.39

Venlafaxine Hydrochloride - Impurity G (Hydrochloride Salt)
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Catalogue No.:PA 22 07070
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Molecular Formula : C17H28ClNO
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Molecular Weight : 297.86

Venlafaxine Hydrochloride - Impurity G (Freebase)
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Catalogue No.:PA 22 07071
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Molecular Formula : C17H27NO
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Molecular Weight : 261.40

Venlafaxine Hydrochloride - Impurity H
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Catalogue No.:PA 22 07080
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Molecular Formula : C24H34ClNO3
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Molecular Weight : 419.98

Venlafaxine Hydrochloride - Impurity H (Freebase)
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Catalogue No.:PA 22 07081
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Molecular Formula : C24H33NO3
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Molecular Weight : 383.52

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Catalogue No.:PA 22 07510
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Molecular Formula : C16H25NO2
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Molecular Weight : 263.38

Decyclohexanol-ethoxycarbonyl-O-desmethyl Venlafaxine
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Catalogue No.:PA 22 07520
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Molecular Formula : C13H19NO3
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Molecular Weight : 237.29

Venlafaxine Hydroxy Nitrile Impurity
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Catalogue No.:PA 22 07530
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Molecular Formula : C15H19NO2
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Molecular Weight : 245.32


Venlafaxine Hydrochloride - Impurity A (Freebase)
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Catalogue No.:PA 22 07560
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Molecular Formula : C11H17NO
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Molecular Weight : 179.26


Desvenlafaxine Hydrochloride
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Catalogue No.:PA 22 07580
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Molecular Formula : C16H26ClNO2
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Molecular Weight : 299.84

N-Formyl-1-(2-amino-1-(4-methoxyphenyl)ethyl)cyclohexanol
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Catalogue No.:PA 22 07590
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Molecular Formula : C16H23NO3
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Molecular Weight : 277.36

Bis(4-methoxybenzyl) Ketone
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Catalogue No.:PA 22 07600
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Molecular Formula : C17H18O3
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Molecular Weight : 270.33

D,L-Venlafaxine-d10 Hydrochloride
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Catalogue No.:PA STI 086800
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Molecular Formula : C17H18D10ClNO2
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Molecular Weight : 323.92

Venlafaxine Hydrochloride - Impurity G (Oxalate Salt)
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Catalogue No.:PA 22 07072
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Molecular Formula : C19H29NO5
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Molecular Weight : 351.44

O-Desmethyl Venlafaxine Dimer
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Catalogue No.:PA 22 07610
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Molecular Formula : C33H50N2O4
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Molecular Weight : 538.77

4-(2-Amino-1-(1-hydroxycyclohexyl)ethyl)phenol Hydrobromide
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Catalogue No.:PA 22 07620
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Molecular Formula : C14H22BrNO2
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Molecular Weight : 316.24

2-(1-Hydroxycyclohexyl)-2-(4-methoxyphenyl)-N,N-dimethylacetamide
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Catalogue No.:PA 22 07630
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Molecular Formula : C17H25NO3
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Molecular Weight : 291.39

Venlafaxine Hydrochloride - Impurity E (Freebase)
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Catalogue No.:PA 22 07051
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Molecular Formula : C17H25NO2
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Molecular Weight : 275.39


R-Venlafaxine Di-p-toluoyl-D-tartrate Salt
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Catalogue No.:PA 22 07660
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Molecular Formula : C37H45NO10
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Molecular Weight : 663.75


S-Venlafaxine-di-p-toluoyl-L-tartrate Salt (2:1)
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Catalogue No.:PA 22 07680
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Molecular Formula : C37H45NO10
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Molecular Weight : 663.76

4-(2-Amino-1-(1-hydroxycyclohexyl)ethyl)phenol
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Catalogue No.:PA 22 07690
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Molecular Formula : C14H21NO2
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Molecular Weight : 235.33

Venlafaxine Hydrochloride - Impurity C (Acetate Salt)
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Catalogue No.:PA 22 0070031
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Molecular Formula : C17H27NO4
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Molecular Weight : 309.41

R-(-)-O-Desmethyl Venlafaxine
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Catalogue No.:PA 22 0071001
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Molecular Formula : C16H25NO2
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Molecular Weight : 263.38

S-(+)-O-Desmethyl Venlafaxine
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Catalogue No.:PA 22 0071002
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Molecular Formula : C16H25NO2
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Molecular Weight : 263.38

Rac O-Desmethyl Venlafaxine β-D-Glucuronide
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Catalogue No.:PA 22 0071000
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Molecular Formula : C22H33NO8
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Molecular Weight : 439.51

rac-O-Desmethyl Venlafaxine-D6
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Catalogue No.:PA STI 088394
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Molecular Formula : C16H19D6NO2
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Molecular Weight : 269.42

D,L-N,N-didesmethyl-o-desmethyl venlafaxine hydrochloride
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Catalogue No.:PA 22 0071003
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Molecular Formula : C14H22ClNO2
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Molecular Weight : 271.79

rac N,N-Didesmethyl-o-desmethyl venlafaxine glucuronide
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Catalogue No.:PA 22 0071004
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Molecular Formula : C20H29NO8
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Molecular Weight : 411.45

N-Boc N,O-Didesmethylvenlafaxine
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Catalogue No.:PA 22 0071005
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Molecular Formula : C19H29NO4
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Molecular Weight : 335.44

1-[2-Dimethylamino-1-(4-methoxyphenyl) ethyl] cyclohexane HCl
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Catalogue No.:PA 22 0071006
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Molecular Formula : C17H28ClNO
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Molecular Weight : 297.87