Estradiol Benzoate-impurities | Pharmaffiliates

estradiol benzoate and its Impurities

Estradiol benzoate is used in hormone therapy for the treatment of menopausal symptoms such as hot flashes and vaginal atrophy and in the treatment of hypoestrogenism. It is sold under the brand name Progynon-B.Reference standards of Estradiol Benzoate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 8 results for estradiol benzoate Impurities
PA 05 1500000

Estradiol Benzoate - API

Estradiol Benzoate


  • Catalogue No.:PA 05 1500000

  • CAS :

    50-50-0

  • Molecular Formula : C25H28O3

  • Molecular Weight : 376.50

PA 05 1500030

Estradiol Benzoate - Impurity C

Estra-1,3,5(10)-triene-3,17beta-diyl Dibenzoate (Estradiol 3,17-Dibenzoate)


  • Catalogue No.:PA 05 1500030

  • CAS :

    4147-13-1

  • Molecular Formula : C32H32O4

  • Molecular Weight : 480.6

PA 05 1500040

Estradiol Benzoate - Impurity D

3-Hydroxyestra-1,3,5(10)-trien-17beta-yl Benzoate (Estradiol 17-Benzoate)


  • Catalogue No.:PA 05 1500040

  • CAS :

    983-30-2

  • Molecular Formula : C25H28O3

  • Molecular Weight : 376.5

PA 05 1500070

Estradiol Benzoate - Impurity G

17-Oxoestra-1,3,5(10)-trien-3-yl Benzoate (Estrone Benzoate)


  • Catalogue No.:PA 05 1500070

  • CAS :

    2393-53-5

  • Molecular Formula : C25H26O3

  • Molecular Weight : 374.48

PA 05 1500010

Estradiol Benzoate - Impurity A

Estra-1,3,5(10)-triene-3,17β-diol (estradiol)


  • Catalogue No.:PA 05 1500010

  • CAS :

    50-28-2

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.39

PA 05 1500020

Estradiol Benzoate - Impurity B

17β-Hydroxy-4-methylestra-1,3,5(10)-trien-3-yl benzoate


  • Catalogue No.:PA 05 1500020

  • CAS :

    NA

  • Molecular Formula : C26H30O3

  • Molecular Weight : 390.52

PA 05 1500050

Estradiol Benzoate - Impurity E

17α-hydroxyestra-1,3,5(10)-trien-3-yl benzoate


  • Catalogue No.:PA 05 1500050

  • CAS :

    NA

  • Molecular Formula : C25H28O3

  • Molecular Weight : 376.5

PA 05 1500060

Estradiol Benzoate - Impurity F

17β-Hydroxyestra-1,3,5(10),9(11)-tetraen-3-yl benzoate


  • Catalogue No.:PA 05 1500060

  • CAS :

    95870-51-2

  • Molecular Formula : C25H26O3

  • Molecular Weight : 374.48