Estriol-Impurities | Pharmaffiliates

estriol

A natural steroidal estrogen, Estriol is also known as 16α-hydroxyestradiol. It is used as a hormone replacement therapy in menopausal symptoms. It is produced by the ovaries during pregnancy. It is an agonist of both of the estrogen receptors (ER), ERα and ERβ. Reference standards of Estriol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

stdClass Object
(
    [pname] => Estriol - API
    [catalogue_number] => PA 05 21000
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 288.38
    [form] => C18H24O3
    [cas] => 50-27-1
    [pslug] => 50-27-1-estriol-api-pa0521000
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PA 05 21000

Estriol - API


  • Catalogue No.:PA 05 21000

  • CAS :

    50-27-1

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

stdClass Object
(
    [pname] => Estriol - Impurity A
    [catalogue_number] => PA 05 21010
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 286.37
    [form] => C18H22O3
    [cas] => 246021-20-5
    [pslug] => 246021-20-5-estriol-impurity-a-pa0521010
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PA 05 21010

Estriol - Impurity A


  • Catalogue No.:PA 05 21010

  • CAS :

    246021-20-5

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

stdClass Object
(
    [pname] => Estriol - Impurity B
    [catalogue_number] => PA 05 21020
    [category_ids] => ,76,75,87,
    [chemical_name] => 
    [weight] => 270.37
    [form] => C18H22O2
    [cas] => 53-16-7
    [pslug] => 53-16-7-estriol-impurity-b-pa0521020
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PA 05 21020

Estriol - Impurity B


  • Catalogue No.:PA 05 21020

  • CAS :

    53-16-7

  • Molecular Formula : C18H22O2

  • Molecular Weight : 270.37

stdClass Object
(
    [pname] => Estriol - Impurity C
    [catalogue_number] => PA 05 21030
    [category_ids] => ,76,75,87,
    [chemical_name] => 
    [weight] => 302.41
    [form] => C19H26O3
    [cas] => 1474-53-9
    [pslug] => 1474-53-9-estriol-impurity-c-pa0521030
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PA 05 21030

Estriol - Impurity C


  • Catalogue No.:PA 05 21030

  • CAS :

    1474-53-9

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

stdClass Object
(
    [pname] => Estriol - Impurity D
    [catalogue_number] => PA 05 21040
    [category_ids] => ,78,70,82,87,
    [chemical_name] => 
    [weight] => 272.38
    [form] => C18H24O2
    [cas] => 50-28-2
    [pslug] => 50-28-2-estriol-impurity-d-pa0521040
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PA 05 21040

Estriol - Impurity D


  • Catalogue No.:PA 05 21040

  • CAS :

    50-28-2

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.38

stdClass Object
(
    [pname] => Estriol - Impurity E
    [catalogue_number] => PA 05 21050
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 288.38
    [form] => C18H24O3
    [cas] => 1228-72-4
    [pslug] => 1228-72-4-estriol-impurity-e-pa0521050
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PA 05 21050

Estriol - Impurity E


  • Catalogue No.:PA 05 21050

  • CAS :

    1228-72-4

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

stdClass Object
(
    [pname] => Estriol - Impurity F
    [catalogue_number] => PA 05 21060
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 288.38
    [form] => C18H24O3
    [cas] => 547-81-9
    [pslug] => 547-81-9-estriol-impurity-f-pa0521060
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PA 05 21060

Estriol - Impurity F


  • Catalogue No.:PA 05 21060

  • CAS :

    547-81-9

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

stdClass Object
(
    [pname] => Estriol - Impurity K
    [catalogue_number] => PA 05 21110
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 312.40
    [form] => C20H24O3
    [cas] => 901-93-9
    [pslug] => 901-93-9-estriol-impurity-k-pa0521110
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PA 05 21110

Estriol - Impurity K


  • Catalogue No.:PA 05 21110

  • CAS :

    901-93-9

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.40

stdClass Object
(
    [pname] => Estriol 3-Succinate
    [catalogue_number] => PA 05 21510
    [category_ids] => ,78,70,82,87,
    [chemical_name] => 
    [weight] => 388.45
    [form] => C22H28O6
    [cas] => 47575-61-1
    [pslug] => 47575-61-1-estriol-3-succinate-pa0521510
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PA 05 21510

Estriol 3-Succinate


  • Catalogue No.:PA 05 21510

  • CAS :

    47575-61-1

  • Molecular Formula : C22H28O6

  • Molecular Weight : 388.45

stdClass Object
(
    [pname] => Estriol Trisulfate Trisodium Salt
    [catalogue_number] => PA 05 21520
    [category_ids] => ,87,
    [chemical_name] => 
    [weight] => 594.52
    [form] => C18H21Na3O12S3
    [cas] => 100940-55-4
    [pslug] => 100940-55-4-estriol-trisulfate-trisodium-salt-pa0521520
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PA 05 21520

Estriol Trisulfate Trisodium Salt


  • Catalogue No.:PA 05 21520

  • CAS :

    100940-55-4

  • Molecular Formula : C18H21Na3O12S3

  • Molecular Weight : 594.52

stdClass Object
(
    [pname] => 17-Iodo-3-O-methyl Estratetraenol
    [catalogue_number] => PA 05 21540
    [category_ids] => ,78,70,82,87,
    [chemical_name] => 
    [weight] => 394.29
    [form] => C19H23IO
    [cas] => 105644-55-1
    [pslug] => 105644-55-1-17-iodo-3-o-methyl-estratetraenol-pa0521540
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PA 05 21540

17-Iodo-3-O-methyl Estratetraenol


  • Catalogue No.:PA 05 21540

  • CAS :

    105644-55-1

  • Molecular Formula : C19H23IO

  • Molecular Weight : 394.29

stdClass Object
(
    [pname] => 3-O-Methyl Estrone Hydrazone
    [catalogue_number] => PA 05 21550
    [category_ids] => ,78,70,82,87,
    [chemical_name] => 
    [weight] => 298.42
    [form] => C19H26N2O
    [cas] => 105663-60-3
    [pslug] => 105663-60-3-3-o-methyl-estrone-hydrazone-pa0521550
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PA 05 21550

3-O-Methyl Estrone Hydrazone


  • Catalogue No.:PA 05 21550

  • CAS :

    105663-60-3

  • Molecular Formula : C19H26N2O

  • Molecular Weight : 298.42

stdClass Object
(
    [pname] => 3-O-Methyl 6-Hydroxy-17β-estradiol 17-O-Tetrahydropyran
    [catalogue_number] => PA 05 21560
    [category_ids] => ,78,70,82,87,
    [chemical_name] => 
    [weight] => 386.52
    [form] => C24H34O4
    [cas] => 473882-84-7
    [pslug] => 473882-84-7-3-o-methyl-6-hydroxy-17-beta-estradiol-17-o-tetrahydropyran-pa0521560
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PA 05 21560

3-O-Methyl 6-Hydroxy-17β-estradiol 17-O-Tetrahydropyran


  • Catalogue No.:PA 05 21560

  • CAS :

    473882-84-7

  • Molecular Formula : C24H34O4

  • Molecular Weight : 386.52

stdClass Object
(
    [pname] => 3-O-Benzyl Estriol
    [catalogue_number] => PA 05 21570
    [category_ids] => ,78,70,82,76,75,87,
    [chemical_name] => 
    [weight] => 378.5
    [form] => C25H30O3
    [cas] => 18650-87-8
    [pslug] => 18650-87-8-3-o-benzyl-estriol-pa0521570
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PA 05 21570

3-O-Benzyl Estriol


  • Catalogue No.:PA 05 21570

  • CAS :

    18650-87-8

  • Molecular Formula : C25H30O3

  • Molecular Weight : 378.5

stdClass Object
(
    [pname] => 2-Methoxy 17β-Estradiol
    [catalogue_number] => PA 05 21580
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 302.41
    [form] => C19H26O3
    [cas] => 362-07-2
    [pslug] => 362-07-2-2-methoxy-17-beta-estradiol-pa0521580
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PA 05 21580

2-Methoxy 17β-Estradiol


  • Catalogue No.:PA 05 21580

  • CAS :

    362-07-2

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

stdClass Object
(
    [pname] => 1,3,5(10)-Estratrien-2,3,4,17beta-tetrol-2,4-dimethyl Ether
    [catalogue_number] => PA 05 21590
    [category_ids] => ,76,75,78,70,82,87,
    [chemical_name] => 
    [weight] => 332.43
    [form] => C20H28O4
    [cas] => 65968-99-2
    [pslug] => 65968-99-2-1-3-5-10-estratrien-2-3-4-17beta-tetrol-2-4-dimethyl-ether-pa0521590
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PA 05 21590

1,3,5(10)-Estratrien-2,3,4,17beta-tetrol-2,4-dimethyl Ether


  • Catalogue No.:PA 05 21590

  • CAS :

    65968-99-2

  • Molecular Formula : C20H28O4

  • Molecular Weight : 332.43

stdClass Object
(
    [pname] => 3-O-Benzyl Estriol-d1
    [catalogue_number] => PA STI 011420
    [category_ids] => ,78,70,82,76,75,87,98,
    [chemical_name] => 
    [weight] => 379.51
    [form] => C25H29DO3
    [cas] => 1366363-19-0
    [pslug] => 1366363-19-0-3-o-benzyl-estriol-d1-pasti011420
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PA STI 011420

3-O-Benzyl Estriol-d1


  • Catalogue No.:PA STI 011420

  • CAS :

    1366363-19-0

  • Molecular Formula : C25H29DO3

  • Molecular Weight : 379.51

stdClass Object
(
    [pname] => Estetrol
    [catalogue_number] => PA 05 0211013
    [category_ids] => ,75,76,78,70,82,87,
    [chemical_name] => 
    [weight] => 304.39
    [form] => C18H24O4
    [cas] => 15183-37-6
    [pslug] => 15183-37-6-estetrol-pa050211013
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PA 05 0211013

Estetrol


  • Catalogue No.:PA 05 0211013

  • CAS :

    15183-37-6

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39