Tamoxifen-impurities | Pharmaffiliates

tamoxifen and its Impurities

A selective estrogen-receptor modulator (SERM), Tamoxifen is used in the treatment of breast cancer and uterine cancer.Reference standards of Tamoxifen API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 48 results for tamoxifen Impurities
PA 20 03000

Tamoxifen - API

Tamoxifen


  • Catalogue No.:PA 20 03000

  • CAS :

    10540-29-1

  • Molecular Formula : C26H29NO

  • Molecular Weight : 371.52

PA 20 03510

N,N-Didesmethyl Tamoxifen

N,N-Didesmethyl Tamoxifen


  • Catalogue No.:PA 20 03510

  • CAS :

    80234-20-4

  • Molecular Formula : C24H25NO

  • Molecular Weight : 343.46

PA STI 004810

(E)-4-Alloxycarboxyl Tamoxifen

(E)-4-Alloxycarboxyl Tamoxifen


  • Catalogue No.:PA STI 004810

  • CAS :

    1287191-58-5

  • Molecular Formula : C30H33NO4

  • Molecular Weight : 471.59

PA STI 015220

2-(4-Bromophenoxy)-N,N-dimethylethylamine-d6

2-(4-Bromophenoxy)-N,N-dimethylethylamine-d6


  • Catalogue No.:PA STI 015220

  • CAS :

    1794787-00-0

  • Molecular Formula : C10H8D6BrNO

  • Molecular Weight : 250.17

PA STI 019570

(3,3,4,4,4-d5)-(E/Z)-1-[4-(2-Chloroethoxy)phenyl]-1-[4-hydroxyphenyl]-2-phenyl-1-butene

(3,3,4,4,4-d5)-(E/Z)-1-[4-(2-Chloroethoxy)phenyl]-1-[4-hydroxyphenyl]-2-phenyl-1-butene


  • Catalogue No.:PA STI 019570

  • CAS :

    1020719-27-0

  • Molecular Formula : C24H18D5ClO2

  • Molecular Weight : 383.92

PA STI 019580

(E/Z)-1-[4-(2-Chloroethoxyphenyl]-1,2-diphenyl-1-butene-4,4,5,5,5-d5

(E/Z)-1-[4-(2-Chloroethoxyphenyl]-1,2-diphenyl-1-butene-4,4,5,5,5-d5


  • Catalogue No.:PA STI 019580

  • CAS :

    157738-49-3

  • Molecular Formula : C24H18D5ClO

  • Molecular Weight : 367.92

PA STI 019590

(Z)-1-[4-(2-Chloroethoxyphenyl]-1,2-diphenyl-1-butene-4,4,5,5,5-d5

(Z)-1-[4-(2-Chloroethoxyphenyl]-1,2-diphenyl-1-butene-4,4,5,5,5-d5


  • Catalogue No.:PA STI 019590

  • CAS :

    157738-49-3

  • Molecular Formula : C24H18D5ClO

  • Molecular Weight : 367.92

PA STI 025690

N-Demethyl-3,4-dihydroxytamoxifen-d3 Hydrochloride (Z,E mixture)

N-Demethyl-3,4-dihydroxytamoxifen-d3 Hydrochloride (Z,E mixture)


  • Catalogue No.:PA STI 025690

  • CAS :

    NA

  • Molecular Formula : C25H28D3ClNO3

  • Molecular Weight : 428.97

PA STI 025700

N-Demethyl-3-methoxy-4-hydroxytamoxifen-d3 Hydrochloride (Z,E mixture)

N-Demethyl-3-methoxy-4-hydroxytamoxifen-d3 Hydrochloride (Z,E mixture)


  • Catalogue No.:PA STI 025700

  • CAS :

    NA

  • Molecular Formula : C26H27D3ClNO3

  • Molecular Weight : 442.99

PA STI 028310

N-Desmethyl-4'-hydroxy Tamoxifen-d3 (E/Z Mixture)

N-Desmethyl-4'-hydroxy Tamoxifen-d3 (E/Z Mixture)


  • Catalogue No.:PA STI 028310

  • CAS :

    1795139-22-8

  • Molecular Formula : C25H24D3NO2

  • Molecular Weight : 376.51

PA STI 028380

N-Desmethyl-4-hydroxy Tamoxifen-d5 (1:1 E/Z Mixture)

N-Desmethyl-4-hydroxy Tamoxifen-d5 (1:1 E/Z Mixture)


  • Catalogue No.:PA STI 028380

  • CAS :

    1584173-54-5

  • Molecular Formula : C25H22D5NO2

  • Molecular Weight : 378.52

PA STI 028710

N-Desmethyl-4-hydroxy Tamoxifen-d5 β-D-Glucuronide (E/Z Mixture)

N-Desmethyl-4-hydroxy Tamoxifen-d5 β-D-Glucuronide (E/Z Mixture)


  • Catalogue No.:PA STI 028710

  • CAS :

    NA

  • Molecular Formula : C31H30D5NO8

  • Molecular Weight : 554.64

PA STI 028720

N-Desmethyl Tamoxifen-d5

N-Desmethyl Tamoxifen-d5


  • Catalogue No.:PA STI 028720

  • CAS :

    NA

  • Molecular Formula : C25H22D5NO

  • Molecular Weight : 362.52

PA STI 028730

N-Desmethyl-4-hydroxy Tamoxifen-d5 Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester (E/Z Mixture)

N-Desmethyl-4-hydroxy Tamoxifen-d5 Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester (E/Z Mixture)


  • Catalogue No.:PA STI 028730

  • CAS :

    NA

  • Molecular Formula : C38H38D5NO11

  • Molecular Weight : 694.78

PA STI 028740

N-Desmethyl Tamoxifen-d5

N-Desmethyl Tamoxifen-d5


  • Catalogue No.:PA STI 028740

  • CAS :

    164365-16-6

  • Molecular Formula : C25H22D5NO

  • Molecular Weight : 362.52

PA STI 032780

(E/Z)-4,4'-Dihydroxy-N-desmethyl Tamoxifen-d3

(E/Z)-4,4'-Dihydroxy-N-desmethyl Tamoxifen-d3


  • Catalogue No.:PA STI 032780

  • CAS :

    1246832-93-8

  • Molecular Formula : C25H24D3NO3

  • Molecular Weight : 392.51

PA STI 033600

[4-[2-(Dimethylamino)ethoxy]phenyl](4-hydroxyphenyl)methanone-d6

[4-[2-(Dimethylamino)ethoxy]phenyl](4-hydroxyphenyl)methanone-d6


  • Catalogue No.:PA STI 033600

  • CAS :

    NA

  • Molecular Formula : C17H13D6NO3

  • Molecular Weight : 291.37

PA STI 051710

(E)-3-Hydroxy Tamoxifen-d5

(E)-3-Hydroxy Tamoxifen-d5


  • Catalogue No.:PA STI 051710

  • CAS :

    1185245-32-2

  • Molecular Formula : C26H24D5NO2

  • Molecular Weight : 392.54

PA STI 051720

4'-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer)

4'-Hydroxy Tamoxifen-d6 (contains up to 10% E isomer)


  • Catalogue No.:PA STI 051720

  • CAS :

    1346606-80-1

  • Molecular Formula : C26H23D6NO2

  • Molecular Weight : 393.55

PA STI 051730

(Z)-4-Hydroxy Tamoxifen-d5

(Z)-4-Hydroxy Tamoxifen-d5


  • Catalogue No.:PA STI 051730

  • CAS :

    164365-20-2

  • Molecular Formula : C26H24D5NO2

  • Molecular Weight : 392.54

PA STI 080830

Tamoxifen-13C6

Tamoxifen-13C6


  • Catalogue No.:PA STI 080830

  • CAS :

    1346606-38-9

  • Molecular Formula : C2013C6H29NO

  • Molecular Weight : 377.47

PA STI 080840

(E/Z)-Tamoxifen

(E/Z)-Tamoxifen


  • Catalogue No.:PA STI 080840

  • CAS :

    7728-73-6

  • Molecular Formula : C26H29NO

  • Molecular Weight : 371.51

PA STI 080850

(E/Z)-Tamoxifen-d5

(E/Z)-Tamoxifen-d5


  • Catalogue No.:PA STI 080850

  • CAS :

    NA

  • Molecular Formula : C26H24D5NO

  • Molecular Weight : 376.55

PA STI 080860

Tamoxifen-d5

Tamoxifen-d5


  • Catalogue No.:PA STI 080860

  • CAS :

    157698-32-3

  • Molecular Formula : C26H24D5NO

  • Molecular Weight : 376.55

PA STI 080870

(E,Z)-Tamoxifen-d5 N-β-D-Glucuronide

(E,Z)-Tamoxifen-d5 N-β-D-Glucuronide


  • Catalogue No.:PA STI 080870

  • CAS :

    NA

  • Molecular Formula : C32H33D5NO7

  • Molecular Weight : 553.68

PA ICRS0425

Tamoxifen citrate (ICRS0425)


  • Catalogue No.:PA ICRS0425

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA ICRS0426

Tamoxifen citrate E-isomer (ICRS0426)


  • Catalogue No.:PA ICRS0426

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 230 12

Tamoxifen Citrate (IPRS/230/12)-from IPC


  • Catalogue No.:PA IPIPRS 230 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA 20 03520

1,1,1-Trifluoromethanesulfonic Acid (E)-4-[1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]phenyl Ester

1,1,1-Trifluoromethanesulfonic Acid (E)-4-[1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]phenyl Ester


  • Catalogue No.:PA 20 03520

  • CAS :

    1370699-80-1

  • Molecular Formula : C27H28F3NO4S

  • Molecular Weight : 519.58

PA 20 03530

1-Phenyl-2-[4-[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-1-butanone

1-Phenyl-2-[4-[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-1-butanone


  • Catalogue No.:PA 20 03530

  • CAS :

    82413-31-8

  • Molecular Formula : C21H24O3

  • Molecular Weight : 324.41

PA 20 0031000

N-Methyl-N-(2-hydroxyethyl) Tamoxifen

N-Methyl-N-(2-hydroxyethyl) Tamoxifen


  • Catalogue No.:PA 20 0031000

  • CAS :

    77214-91-6

  • Molecular Formula : C27H31NO2

  • Molecular Weight : 401.55

PA 20 0031001

cis-β-Hydroxy Tamoxifen

cis-β-Hydroxy Tamoxifen


  • Catalogue No.:PA 20 0031001

  • CAS :

    97151-04-7

  • Molecular Formula : C26H29NO2

  • Molecular Weight : 387.52

PA 20 0031003

(E)-1-[4-[2-(N,N-Dimethylamino)ethoxy]phenyl]-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene

(E)-1-[4-[2-(N,N-Dimethylamino)ethoxy]phenyl]-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene


  • Catalogue No.:PA 20 0031003

  • CAS :

    177748-19-5

  • Molecular Formula : C31H37NO3

  • Molecular Weight : 471.64

PA 20 0031002

(E)-1-(4-Hydroxyphenyl)-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene

(E)-1-(4-Hydroxyphenyl)-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene


  • Catalogue No.:PA 20 0031002

  • CAS :

    177748-17-3

  • Molecular Formula : C27H28O3

  • Molecular Weight : 400.52

PA 20 0031005

N-Desmethyl Tamoxifen Methanethiosulfonate

N-Desmethyl Tamoxifen Methanethiosulfonate


  • Catalogue No.:PA 20 0031005

  • CAS :

    1025678-19-6

  • Molecular Formula : C28H33NO3S2

  • Molecular Weight : 495.70

PA 20 0031004

(E)-4-Acetoxy Tamoxifen

(E)-4-Acetoxy Tamoxifen


  • Catalogue No.:PA 20 0031004

  • CAS :

    76117-70-9

  • Molecular Formula : C28H31NO3

  • Molecular Weight : 429.56

PA 20 0031006

N-Desmethyl-4-hydroxy Tamoxifen

N-Desmethyl-4-hydroxy Tamoxifen


  • Catalogue No.:PA 20 0031006

  • CAS :

    110025-28-0

  • Molecular Formula : C25H27NO2

  • Molecular Weight : 373.50

PA 20 0031007

1-[4-(2-Chloroethoxy)phenyl]-2-ethyl-2-phenylethanone

1-[4-(2-Chloroethoxy)phenyl]-2-ethyl-2-phenylethanone


  • Catalogue No.:PA 20 0031007

  • CAS :

    103628-22-4

  • Molecular Formula : C18H19ClO2

  • Molecular Weight : 302.80

PA 20 0031008

N-Methyl-N-(2-acetoxyacetyl) tamoxifen

N-Methyl-N-(2-acetoxyacetyl) tamoxifen


  • Catalogue No.:PA 20 0031008

  • CAS :

    1076198-47-4

  • Molecular Formula : C29H31NO4

  • Molecular Weight : 457.57

PA 20 0031009

Droloxifene

Droloxifene


  • Catalogue No.:PA 20 0031009

  • CAS :

    82413-20-5

  • Molecular Formula : C26H29NO2

  • Molecular Weight : 387.52

PA 20 0031010

N-Desmethyl-4’-hydroxy Tamoxifen

N-Desmethyl-4’-hydroxy Tamoxifen


  • Catalogue No.:PA 20 0031010

  • CAS :

    170171-12-7

  • Molecular Formula : C25H27NO2

  • Molecular Weight : 373.5

PA 20 0031011

N-Desmethyl Droloxifene

N-Desmethyl Droloxifene


  • Catalogue No.:PA 20 0031011

  • CAS :

    83647-33-0

  • Molecular Formula : C25H27NO2

  • Molecular Weight : 373.5

PA 20 0031012

N-Desmethyl Tamoxifen Hydrochloride

2-[4-[(Z)-1,2-Diphenylbut-1-enyl]phenoxy]-N-methylethanamine Hydrochloride


  • Catalogue No.:PA 20 0031012

  • CAS :

    15917-65-4

  • Molecular Formula : C25H28ClNO

  • Molecular Weight : 393.96

PA 20 0031013

Benzhydryl 4-methylbenzenesulfonate

Benzhydryl 4-methylbenzenesulfonate


  • Catalogue No.:PA 20 0031013

  • CAS :

    5435-24-5

  • Molecular Formula : C20H18O3S

  • Molecular Weight : 338.42

PA 20 0031014

Benzhydryl methanesulfonate

Benzhydryl methanesulfonate


  • Catalogue No.:PA 20 0031014

  • CAS :

    NA

  • Molecular Formula : C14H14O3S

  • Molecular Weight : 262.32

PA 20 0031015

N-Boc-N-desmethyl-4-hydroxy Tamoxifen (E/Z Mixture)

N-Boc-N-desmethyl-4-hydroxy Tamoxifen (E/Z Mixture)


  • Catalogue No.:PA 20 0031015

  • CAS :

    1189368-74-8

  • Molecular Formula : C30H35NO4

  • Molecular Weight : 473.61

PA 20 0031016

(E/Z)-1-[4-(2-Chloroethoxy)phenyl]-1-(4-hydroxyphenyl)-2-phenyl-1-butene

(E/Z)-1-[4-(2-Chloroethoxy)phenyl]-1-(4-hydroxyphenyl)-2-phenyl-1-butene


  • Catalogue No.:PA 20 0031016

  • CAS :

    119757-57-2

  • Molecular Formula : C24H23ClO2

  • Molecular Weight : 378.9

PA STI 089157

Tamoxifen-D3

Tamoxifen-D3


  • Catalogue No.:PA STI 089157

  • CAS :

    508201-30-7

  • Molecular Formula : C26H26D3NO

  • Molecular Weight : 374.54