estriol and its Impurities

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.

Displaying 62 results for estriol Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 05 19540

Estriol - Impurity J

17-epi-Estradiol

  • Catalogue No.:PA 05 19540

  • CAS :

    57-91-0

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21000

Estriol

Estriol

  • Catalogue No.:PA 05 21000

  • CAS :

    50-27-1

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21010

Estriol - Impurity A

9,11-Didehydroestriol

  • Catalogue No.:PA 05 21010

  • CAS :

    246021-20-5

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21020

Estriol - Impurity B

Estrone

  • Catalogue No.:PA 05 21020

  • CAS :

    53-16-7

  • Molecular Formula : C18H22O2

  • Molecular Weight : 270.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21030

Estriol - Impurity C

Estriol 3-Methyl Ether

  • Catalogue No.:PA 05 21030

  • CAS :

    1474-53-9

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21040

Estriol - Impurity D

Estradiol

  • Catalogue No.:PA 05 21040

  • CAS :

    50-28-2

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21050

Estriol - Impurity E

17-epi-Estriol

  • Catalogue No.:PA 05 21050

  • CAS :

    1228-72-4

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21060

Estriol - Impurity F

16-Epi-estriol

  • Catalogue No.:PA 05 21060

  • CAS :

    547-81-9

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.38

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21110

Estriol - Impurity K

Estrone Acetate

  • Catalogue No.:PA 05 21110

  • CAS :

    901-93-9

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.40

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21510

Estriol 3-Succinate

Estriol 3-Succinate

  • Catalogue No.:PA 05 21510

  • CAS :

    47575-61-1

  • Molecular Formula : C22H28O6

  • Molecular Weight : 388.45

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21520

Estriol Trisulfate Trisodium Salt

Estriol Trisulfate Trisodium Salt

  • Catalogue No.:PA 05 21520

  • CAS :

    100940-55-4

  • Molecular Formula : C18H21Na3O12S3

  • Molecular Weight : 594.52

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21530

Estriol Tri-(2,2,2-trichloroethyl)sulfate

Estriol Tri-(2,2,2-trichloroethyl)sulfate

  • Catalogue No.:PA 05 21530

  • CAS :

    NA

  • Molecular Formula : C24H27Cl9O12S3

  • Molecular Weight : 922.74

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21540

17-Iodo-3-O-methyl Estratetraenol

17-Iodo-3-O-methyl Estratetraenol

  • Catalogue No.:PA 05 21540

  • CAS :

    105644-55-1

  • Molecular Formula : C19H23IO

  • Molecular Weight : 394.29

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21550

3-O-Methyl Estrone Hydrazone

3-O-Methyl Estrone Hydrazone

  • Catalogue No.:PA 05 21550

  • CAS :

    105663-60-3

  • Molecular Formula : C19H26N2O

  • Molecular Weight : 298.42

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21560

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

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

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21570

3-O-Benzyl Estriol

3-O-Benzyl Estriol

  • Catalogue No.:PA 05 21570

  • CAS :

    18650-87-8

  • Molecular Formula : C25H30O3

  • Molecular Weight : 378.5

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21580

2-Methoxy 17β-Estradiol

2-Methoxy 17β-Estradiol

  • Catalogue No.:PA 05 21580

  • CAS :

    362-07-2

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21590

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

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

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 22620

Estriol - Impurity H

3,16α-Dihydroxyestra-1,3,5(10)-trien-17-one

  • Catalogue No.:PA 05 22620

  • CAS :

    566-76-7

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 011420

3-O-Benzyl Estriol-d1

3-O-Benzyl Estriol-d1

  • Catalogue No.:PA STI 011420

  • CAS :

    1366363-19-0

  • Molecular Formula : C25H29DO3

  • Molecular Weight : 379.51

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPE1680000

Estriol (E1680000)

Estriol (E1680000)

  • Catalogue No.:PA EPE1680000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EPE1680005

Estriol impurity A (E1680005)

Estriol impurity A (E1680005)

  • Catalogue No.:PA EPE1680005

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA JP0076

Estriol (JP 0076)

Estriol (JP 0076)

  • Catalogue No.:PA JP0076

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA USP1254508

Estriol (1254508)

Estriol (1254508)

  • Catalogue No.:PA USP1254508

  • CAS :

    50-27-1

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA BP752RB

estriol (752RB)

estriol (752RB)

  • Catalogue No.:PA BP752RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA BP753RB

estriol impurity standard (753RB)

estriol impurity standard (753RB)

  • Catalogue No.:PA BP753RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PAI 05 007010

Estriol Triacetate

  • Catalogue No.:PAI 05 007010

  • CAS :

    2284-32-4

  • Molecular Formula : C24H30O6

  • Molecular Weight : 414.50

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PAI 05 007020

(8S,13S,14S,16R,17R)-9-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triyl triacetate

  • Catalogue No.:PAI 05 007020

  • CAS :

    NA

  • Molecular Formula : C24H30O7

  • Molecular Weight : 430.50

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21070

Estriol - Impurity G

16,17-epi-Estriol

  • Catalogue No.:PA 05 21070

  • CAS :

    793-89-5

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 21090

Estriol - Impurity I

3-Hydroxy-17-oxa-D-homoestra-1,3,5(10)-trien-17a-one

  • Catalogue No.:PA 05 21090

  • CAS :

    15370-49-7

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211000

Estrone b-D-glucuronide

Estrone b-D-glucuronide

  • Catalogue No.:PA 05 0211000

  • CAS :

    2479-90-5

  • Molecular Formula : C24H30O8

  • Molecular Weight : 446.50

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211001

Estriol Succinate

Estriol Succinate

  • Catalogue No.:PA 05 0211001

  • CAS :

    514-68-1

  • Molecular Formula : C26H32O9

  • Molecular Weight : 488.53

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211002

4-HYDROXYESTRADIOL

4-HYDROXYESTRADIOL

  • Catalogue No.:PA 05 0211002

  • CAS :

    5976-61-4

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211003

2-HYDROXYESTRADIOL

2-HYDROXYESTRADIOL

  • Catalogue No.:PA 05 0211003

  • CAS :

    362-05-0

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211004

4-Methoxyestradiol

4-Methoxyestradiol

  • Catalogue No.:PA 05 0211004

  • CAS :

    26788-23-8

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211005

2-Hydroxy estrone

2-Hydroxy estrone

  • Catalogue No.:PA 05 0211005

  • CAS :

    362-06-1

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211006

4-Hydroxy Estrone

4-Hydroxy Estrone

  • Catalogue No.:PA 05 0211006

  • CAS :

    3131-23-5

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211007

6alpha-Hydroxyestriol

6alpha-Hydroxyestriol

  • Catalogue No.:PA 05 0211007

  • CAS :

    7291-49-8

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211008

Estriol 16,17-Diacetate

Estriol 16,17-Diacetate

  • Catalogue No.:PA 05 0211008

  • CAS :

    805-26-5

  • Molecular Formula : C22H28O5

  • Molecular Weight : 372.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211009

6-Ketoestriol

6-Oxoestriol

  • Catalogue No.:PA 05 0211009

  • CAS :

    7323-86-6

  • Molecular Formula : C18H22O4

  • Molecular Weight : 302.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211010

10,17β-Dihydroxy-estra-1,4-dien-3-one

10,17β-Dihydroxy-estra-1,4-dien-3-one

  • Catalogue No.:PA 05 0211010

  • CAS :

    549-02-0

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211011

(17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-ol (Mixture of Diasteromers)

(17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-ol (Mixture of Diasteromers)

  • Catalogue No.:PA 05 0211011

  • CAS :

    122566-22-7

  • Molecular Formula : C28H40O5

  • Molecular Weight : 456.62

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211012

2-Methylestrone

2-Methylestrone

  • Catalogue No.:PA 05 0211012

  • CAS :

    2626-12-2

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.4

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA STI 089280

Estriol-D2

Estriol-D2

  • Catalogue No.:PA STI 089280

  • CAS :

    53866-32-3

  • Molecular Formula : C18H22D2O3

  • Molecular Weight : 290.4

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211013

Estetrol

Estetrol

  • Catalogue No.:PA 05 0211013

  • CAS :

    15183-37-6

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211014

15,16-Deshydroxy 3-O-Benzyl Estetrol 17-Acetate

15,16-Deshydroxy 3-O-Benzyl Estetrol 17-Acetate

  • Catalogue No.:PA 05 0211014

  • CAS :

    690996-25-9

  • Molecular Formula : C27H30O3

  • Molecular Weight : 402.53

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211015

3-O-Benzyl Estetrol 17-Acetate

3-O-Benzyl Estetrol 17-Acetate

  • Catalogue No.:PA 05 0211015

  • CAS :

    690996-24-8

  • Molecular Formula : C27H32O5

  • Molecular Weight : 436.55

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211016

Estetrol 17-Acetate

Estetrol 17-Acetate

  • Catalogue No.:PA 05 0211016

  • CAS :

    690996-23-7

  • Molecular Formula : C20H26O5

  • Molecular Weight : 346.42

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211017

2,4-Dibromo Estetrol

2,4-Dibromo Estetrol

  • Catalogue No.:PA 05 0211017

  • CAS :

    NA

  • Molecular Formula : C18H22Br2O4

  • Molecular Weight : 462.18

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211018

Estetrol Monohydrate

Estetrol Monohydrate

  • Catalogue No.:PA 05 0211018

  • CAS :

    2055649-81-3

  • Molecular Formula : C18H26O5

  • Molecular Weight : 322.4

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211019

(8R,9S,13S,14S,15R,16R,17R)-2,4-Dibromo-3,15,16-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

(8R,9S,13S,14S,15R,16R,17R)-2,4-Dibromo-3,15,16-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

  • Catalogue No.:PA 05 0211019

  • CAS :

    NA

  • Molecular Formula : C20H24Br2O5

  • Molecular Weight : 504.22

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211020

Estriol 16α-(β-D-Glucuronide) Sodium Salt

Estriol 16α-(β-D-Glucuronide) Sodium Salt

  • Catalogue No.:PA 05 0211020

  • CAS :

    1852-44-4

  • Molecular Formula : C24H32NaO9

  • Molecular Weight : 487.5

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211021

(8R,9S,13S,14S,15R,16R,17R)-3-(Benzyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-15,16,17-triol

(8R,9S,13S,14S,15R,16R,17R)-3-(Benzyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-15,16,17-triol

  • Catalogue No.:PA 05 0211021

  • CAS :

    1426679-35-7

  • Molecular Formula : C25H30O4

  • Molecular Weight : 394.51

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211022

6-Oxo-Estetrol

6-Oxo-Estetrol

  • Catalogue No.:PA 05 0211022

  • CAS :

    59996-11-1

  • Molecular Formula : C18H22O5

  • Molecular Weight : 318.37

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211023

(8R,9S,13S,14S,15S,16S,17R)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

(8R,9S,13S,14S,15S,16S,17R)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

  • Catalogue No.:PA 05 0211023

  • CAS :

    58001-91-5

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211024

(8R,9S,13S,17R)-3,15,17-Trihydroxy-13-methyl-6,7,8,9,11,12,13,17-octahydro-16H-cyclopenta[a]phenanthren-16-one

(8R,9S,13S,17R)-3,15,17-Trihydroxy-13-methyl-6,7,8,9,11,12,13,17-octahydro-16H-cyclopenta[a]phenanthren-16-one

  • Catalogue No.:PA 05 0211024

  • CAS :

    NA

  • Molecular Formula : C18H20O4

  • Molecular Weight : 300.35

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211025

(8R,9S,13R)-3,15-Dihydroxy-13-methyl-6,7,8,9,11,12,13,17-octahydro-16H-cyclopenta[a]phenanthren-16-one

(8R,9S,13R)-3,15-Dihydroxy-13-methyl-6,7,8,9,11,12,13,17-octahydro-16H-cyclopenta[a]phenanthren-16-one

  • Catalogue No.:PA 05 0211025

  • CAS :

    NA

  • Molecular Formula : C18H20O3

  • Molecular Weight : 284.36

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211026

Estriol 3-sulfate

Estriol 3-sulfate

  • Catalogue No.:PA 05 0211026

  • CAS :

    481-95-8

  • Molecular Formula : C18H24O6S

  • Molecular Weight : 368.44

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211027

(8R,9S,13S,14S,15R,16R,17R)-3-((tert-Butyldimethylsilyl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-15,16,17-triol

(8R,9S,13S,14S,15R,16R,17R)-3-((tert-Butyldimethylsilyl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-15,16,17-triol

  • Catalogue No.:PA 05 0211027

  • CAS :

    1426679-39-1

  • Molecular Formula : C24H38O4Si

  • Molecular Weight : 418.65

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211028

(8R,9S,13S,14S,15S,16S,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

(8R,9S,13S,14S,15S,16S,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

  • Catalogue No.:PA 05 0211028

  • CAS :

    NA

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 05 0211029

(8R,9S,13S,14S,15R,16R,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

(8R,9S,13S,14S,15R,16R,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,15,16,17-tetraol

  • Catalogue No.:PA 05 0211029

  • CAS :

    NA

  • Molecular Formula : C18H24O4

  • Molecular Weight : 304.39

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA EP Y0001971

Estriol For System Suitability (Y0001971)

Estriol For System Suitability (Y0001971)

  • Catalogue No.:PA EP Y0001971

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Enquire
Details
Periodic Table- Pharmaffiliates

Calculators
Periodic Table- Pharmaffiliates

Contact us

Ask A Scientist-Pharmaffiliates

Ask a Scientist
General Help

General Help
pharmaffiliates