paroxetine hydrochloride hemihydrate and its Impurities

A hydrochloride salt of Paroxetine, which is an antidepressant drug. It belongs to the class of selective serotonin reuptake inhibitor (SSRI) and is used for the treatment of major depressive disorder, obsessive-compulsive disorder, social anxiety disordReference standards of Paroxetine Hydrochloride Hemihydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 52 results for paroxetine hydrochloride hemihydrate Impurities
PA 16 08000

Paroxetine Hydrochloride Hemihydrate - API

Paroxetine Hydrochloride Hemihydrate


  • Catalogue No.:PA 16 08000

  • CAS :

    110429-35-1

  • Molecular Formula : C19H20FNO3·HCl·.5H2O

  • Molecular Weight :  374.83

PA 16 08010

Paroxetine - Impurity A

Desfluoro Paroxetine


  • Catalogue No.:PA 16 08010

  • CAS :

    324024-00-2

  • Molecular Formula : C19H21NO3

  • Molecular Weight : 311.37

PA 16 08011

Paroxetine - Impurity A (Hydrochloride Salt)

Desfluoro Paroxetine Hydrochloride


  • Catalogue No.:PA 16 08011

  • CAS :

    1322626-23-2

  • Molecular Formula : C19H22ClNO3

  • Molecular Weight : 347.84

PA 16 08020

Paroxetine - Impurity B

4-Methoxy Paroxetine Hydrochloride


  • Catalogue No.:PA 16 08020

  • CAS :

    127017-74-7

  • Molecular Formula : C20H24ClNO4

  • Molecular Weight : 377.86

PA 16 08030

Paroxetine - Impurity C

4-Ethoxy Paroxetine Hydrochloride


  • Catalogue No.:PA 16 08030

  • CAS :

    1346597-97-4

  • Molecular Formula : C21H26ClNO4

  • Molecular Weight : 391.89

PA 16 08040

Paroxetine - Impurity D

(3R,4S)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine Hydrochloride


  • Catalogue No.:PA 16 08040

  • CAS :

    130855-30-0

  • Molecular Formula : C19H21ClFNO3

  • Molecular Weight : 365.83

PA 16 08050

Paroxetine Hydrochloride Hemihydrate - Impurity E

(3RS,4RS)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine


  • Catalogue No.:PA 16 08050

  • CAS :

    NA

  • Molecular Formula : C19H20FNO3

  • Molecular Weight : 329.37

PA 16 08060

Paroxetine Hydrochloride Hemihydrate - Impurity F

Methylene-Bis Paroxetine Dihydrochloride


  • Catalogue No.:PA 16 08060

  • CAS :

    606968-05-2

  • Molecular Formula : C39H42Cl2F2N2O6

  • Molecular Weight : 743.66

PA 16 08070

Paroxetine - Impurity G

4-(4-Fluorophenyl)-1-methyl-1,2,3,6-tetrahydro pyridine


  • Catalogue No.:PA 16 08070

  • CAS :

    69675-10-1

  • Molecular Formula : C12H14FN

  • Molecular Weight : 191.24

PA 16 08071

Paroxetine - Impurity G (Hydrochloride Salt)

4-(4-Fluorophenyl)-1-methyl-1,2,3,6-tetrahydro pyridine Hydrochloride


  • Catalogue No.:PA 16 08071

  • CAS :

    1012886-75-7

  • Molecular Formula : C12H15ClFN

  • Molecular Weight : 227.71

PA 16 08080

Paroxetine - Impurity H

[(3S,4R)-1-Benzyl-4-(4-fluorophenyl)piperidin-3-yl]methanol


  • Catalogue No.:PA 16 08080

  • CAS :

    201855-60-9

  • Molecular Formula : C19H22FNO

  • Molecular Weight : 299.38

PA 16 08090

Paroxetine - Impurity I

N-Desmethyl Paroxol Hydrochloride


  • Catalogue No.:PA 16 08090

  • CAS :

    220548-73-2

  • Molecular Formula : C12H17ClFNO

  • Molecular Weight : 245.72

PA 16 08510

Paroxetine Formate

Paroxetine Formate


  • Catalogue No.:PA 16 08510

  • CAS :

    NA

  • Molecular Formula : C20H22FNO5

  • Molecular Weight : 375.39

PA 16 08520

Paroxetine Acetate

Paroxetine Acetate


  • Catalogue No.:PA 16 08520

  • CAS :

    72471-80-8

  • Molecular Formula : C21H24FNO5

  • Molecular Weight : 389.42

PA 16 08530

Paroxetine Maleate

Paroxetine Maleate


  • Catalogue No.:PA 16 08530

  • CAS :

    64006-44-6

  • Molecular Formula : C23H24FNO7

  • Molecular Weight : 445.44

PA 16 08540

(3R,4S)-N-Methyl Paroxol

(3R,4S)-N-Methyl Paroxol


  • Catalogue No.:PA 16 08540

  • CAS :

    NA

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08550

4-(4-Fluorophenyl)-3-hydroxymethyl-1-methyl-piperidine

4-(4-Fluorophenyl)-3-hydroxymethyl-1-methyl-piperidine


  • Catalogue No.:PA 16 08550

  • CAS :

    109887-53-8

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08560

(3S,4R)-N-Methyl Paroxol

(3S,4R)-N-Methyl Paroxol


  • Catalogue No.:PA 16 08560

  • CAS :

    105812-81-5

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08570

(3R,4R)-N-Methyl Paroxol

(3R,4R)-N-Methyl Paroxol


  • Catalogue No.:PA 16 08570

  • CAS :

    179463-85-5

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08580

(3R,4R)-N-Methyl Paroxetine

(3R,4R)-N-Methyl Paroxetine


  • Catalogue No.:PA 16 08580

  • CAS :

    NA

  • Molecular Formula : C20H22FNO3

  • Molecular Weight : 343.39

PA 16 08590

Paroxetine 4-Hydroxy Metabolite

Paroxetine 4-Hydroxy Metabolite


  • Catalogue No.:PA 16 08590

  • CAS :

    112058-90-9

  • Molecular Formula : C19H22FNO3

  • Molecular Weight : 331.38

PA 16 08600

Paroxetine 3-Hydroxy Metabolite

Paroxetine 3-Hydroxy Metabolite


  • Catalogue No.:PA 16 08600

  • CAS :

    112058-89-6

  • Molecular Formula : C19H22FNO3

  • Molecular Weight : 331.38

PA 16 08610

trans N-Benzyl Paroxetine

trans N-Benzyl Paroxetine


  • Catalogue No.:PA 16 08610

  • CAS :

    105813-14-7

  • Molecular Formula : C26H26FNO3

  • Molecular Weight : 419.49

PA 16 08620

1-Benzyl-4-piperidinol

1-Benzyl-4-piperidinol


  • Catalogue No.:PA 16 08620

  • CAS :

    4727-72-4

  • Molecular Formula : C12H17NO

  • Molecular Weight : 191.27

PA 16 08630

rac-trans-4-Defluoro-4-(4-fluorophenyl) Paroxetine Hydrochloride

rac-trans-4-Defluoro-4-(4-fluorophenyl) Paroxetine Hydrochloride


  • Catalogue No.:PA 16 08630

  • CAS :

    1217655-87-2

  • Molecular Formula : C25H25ClFNO3

  • Molecular Weight : 441.92

PA 16 08640

N-Methyl Paroxetine

N-Methyl Paroxetine


  • Catalogue No.:PA 16 08640

  • CAS :

    110429-36-2

  • Molecular Formula : C20H22FNO3

  • Molecular Weight : 343.39

PA 16 08650

Sesamol

Sesamol


  • Catalogue No.:PA 16 08650

  • CAS :

    533-31-3

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

PA 16 08660

Trans-3-[(1,3-benzodioxol-5-yloxy)methyl]-4-(4-ethoxyphenyl)piperidine

Trans-3-[(1,3-benzodioxol-5-yloxy)methyl]-4-(4-ethoxyphenyl)piperidine


  • Catalogue No.:PA 16 08660

  • CAS :

    NA

  • Molecular Formula : C21H25NO4

  • Molecular Weight : 355.43

PA 16 08670

(3S,4R)-4-(4-Fluorophenyl)-1-(phenylmethyl)-3-methanesulfonate-3-piperidinemethanol

(3S,4R)-4-(4-Fluorophenyl)-1-(phenylmethyl)-3-methanesulfonate-3-piperidinemethanol


  • Catalogue No.:PA 16 08670

  • CAS :

    201855-71-2

  • Molecular Formula : C20H24FNO3S

  • Molecular Weight : 377.47

PA 16 08680

Phenyl (3S,4R)-3-[(1,3-benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine-1-carboxylate

Phenyl (3S,4R)-3-[(1,3-benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine-1-carboxylate


  • Catalogue No.:PA 16 08680

  • CAS :

    253768-88-6

  • Molecular Formula : C26H24FNO5

  • Molecular Weight : 449.47

PA 16 08061

Paroxetine Hydrochloride Hemihydrate - Impurity F (Freebase)

Paroxetine Dimer


  • Catalogue No.:PA 16 08061

  • CAS :

    NA

  • Molecular Formula : C39H40F2N2O6

  • Molecular Weight : 670.75

PA 16 08690

(+/-)trans-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4''-fluorophenyl-4'-phenyl)piperidine Hydrochloride;

(+/-)trans-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4''-fluorophenyl-4'-phenyl)piperidine Hydrochloride;


  • Catalogue No.:PA 16 08690

  • CAS :

    NA

  • Molecular Formula : C25H25ClFNO3

  • Molecular Weight : 441.93

PA 16 08700

((3S,4S)-4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol

((3S,4S)-4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol


  • Catalogue No.:PA 16 08700

  • CAS :

    100332-20-5

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08710

2-((6-((3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)piperidin-1-yl)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

2-((6-((3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)piperidin-1-yl)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol


  • Catalogue No.:PA 16 08710

  • CAS :

    NA

  • Molecular Formula : C31H40FNO13

  • Molecular Weight : 653.65

PA 16 08720

Paroxetine Related Compound E Mixture

Paroxetine Related Compound E Mixture


  • Catalogue No.:PA 16 08720

  • CAS :

    NA

  • Molecular Formula : C19H21ClFNO3 + C12H15ClFN

  • Molecular Weight : 365.83

PA 16 08031

Paroxetine Hydrochloride Hemihydrate - Impurity C (Freebase)

4-Ethoxy Paroxetine


  • Catalogue No.:PA 16 08031

  • CAS :

    1395408-54-4

  • Molecular Formula : C21H25NO4

  • Molecular Weight : 355.43

PA 16 08051

Paroxetine Hydrochloride Hemihydrate - Impurity E (Hydrochloride Salt)

(3RS,4RS)-3-[(1,3-Benzodioxol-5-yloxy)methyl]-4-(4-fluorophenyl)piperidine Hydrochloride


  • Catalogue No.:PA 16 08051

  • CAS :

    NA

  • Molecular Formula : C19H21ClFNO3

  • Molecular Weight : 365.83

PA 16 08730

((3S,4R)-4-(4-Methoxyphenyl)-1-methylpiperidin-3-yl)methanol

((3S,4R)-4-(4-Methoxyphenyl)-1-methylpiperidin-3-yl)methanol


  • Catalogue No.:PA 16 08730

  • CAS :

    NA

  • Molecular Formula : C14H21NO2

  • Molecular Weight : 235.33

PA 16 08740

((3S,4R)-4-(4-Ethoxyphenyl)-1-methylpiperidin-3-yl)methanol

((3S,4R)-4-(4-Ethoxyphenyl)-1-methylpiperidin-3-yl)methanol


  • Catalogue No.:PA 16 08740

  • CAS :

    NA

  • Molecular Formula : C15H23NO2

  • Molecular Weight : 249.35

PA 16 08750

((3S,4R)-1-Methyl-4-phenylpiperidin-3-yl)methanol

((3S,4R)-1-Methyl-4-phenylpiperidin-3-yl)methanol


  • Catalogue No.:PA 16 08750

  • CAS :

    176022-03-0

  • Molecular Formula : C13H19NO

  • Molecular Weight : 205.3

PA 16 08760

Ethyl (E)-3-(4-fluorophenyl)acrylate

Ethyl (E)-3-(4-fluorophenyl)acrylate


  • Catalogue No.:PA 16 08760

  • CAS :

    352-03-4

  • Molecular Formula : C11H11FO2

  • Molecular Weight : 194.21

PA 16 08770

Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate

Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate


  • Catalogue No.:PA 16 08770

  • CAS :

    202534-94-9

  • Molecular Formula : C15H16FNO4

  • Molecular Weight : 293.29

PA 16 08780

(4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol

(4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol


  • Catalogue No.:PA 16 08780

  • CAS :

    318279-38-8

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08790

((3R,4R)-4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol compound with ((3S,4S)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methanol (1:1)

((3R,4R)-4-(4-Fluorophenyl)-1-methylpiperidin-3-yl)methanol compound with ((3S,4S)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methanol (1:1)


  • Catalogue No.:PA 16 08790

  • CAS :

    NA

  • Molecular Formula : C13H18FNO

  • Molecular Weight : 223.29

PA 16 08800

1-Benzyl-4-methylpiperidin-3-ol

1-Benzyl-4-methylpiperidin-3-ol


  • Catalogue No.:PA 16 08800

  • CAS :

    384338-20-9

  • Molecular Formula : C13H19NO

  • Molecular Weight : 205.3

PA 16 08810

(-)-O,O'-di-p-Toluoyl-L-tartaric Acid

(-)-O,O'-di-p-Toluoyl-L-tartaric Acid


  • Catalogue No.:PA 16 08810

  • CAS :

    32634-66-5

  • Molecular Formula : C20H18O8

  • Molecular Weight : 386.36

PA 16 08820

3',4'-(Methylenedioxy)acetophenone

3',4'-(Methylenedioxy)acetophenone


  • Catalogue No.:PA 16 08820

  • CAS :

    3162-29-6

  • Molecular Formula : C9H8O3

  • Molecular Weight : 164.16

PA 16 08830

Benzo[d][1,3]dioxol-4-ol

Benzo[d][1,3]dioxol-4-ol


  • Catalogue No.:PA 16 08830

  • CAS :

    69393-72-2

  • Molecular Formula : C7H6O3

  • Molecular Weight : 138.12

PA 16 08840

Sesamol Acetate

Sesamol Acetate


  • Catalogue No.:PA 16 08840

  • CAS :

    326-58-9

  • Molecular Formula : C9H8O4

  • Molecular Weight : 180.16

PA 16 08850

(3S,4R)-4-(4-Fluorophenyl)-3-[[3-methoxy-4-(benzyloxy)phenoxy]methyl]piperidine

(3S,4R)-4-(4-Fluorophenyl)-3-[[3-methoxy-4-(benzyloxy)phenoxy]methyl]piperidine


  • Catalogue No.:PA 16 08850

  • CAS :

    600135-89-5

  • Molecular Formula : C26H28FNO3

  • Molecular Weight : 421.51

PA 16 0080091

Paroxetine Hydrochloride Hemihydrate - Impurity I (Freebase)

N-Desmethyl Paroxol


  • Catalogue No.:PA 16 0080091

  • CAS :

    125224-43-3

  • Molecular Formula : C12H16FNO

  • Molecular Weight : 209.26

PA 16 0081001

(3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)piperidine methanesulfonate

(3S,4R)-3-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)piperidine methanesulfonate


  • Catalogue No.:PA 16 0081001

  • CAS :

    NA

  • Molecular Formula : C26H28FNO6S

  • Molecular Weight : 501.57