Category
Estradiol
CAS Number
Estradiol STD-50-28-2; 35380-71-3(Hemihydrate Salt): IMP-A-53-16-7: IMP-B-57-91-0: IMP-C-6171-48-8
Molecular Formula
Estradiol STD-C18H24O2: IMP-A-C18H22O2: IMP-B-C18H24O2: IMP-C-C19H26O2
Molecular Weight
Estradiol STD-272.39: IMP-A-270.37: IMP-B-272.38: IMP-C-286.41
Synonym

Estradiol STD-(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol; Ethinylestradiol Impurity D (EP/BP); Estradiol-17-beta; Dihydrofolliculin; (17β)-Estra-1,3,5(10)-triene-3,17-diol; 3,17-Epidihydroxyestratriene; Cimara; Estrace; Estraderm; Estradot; Estring; Estrofem; Estrogel; Evorel; Estradiol (USP)

Estradiol EP-Impurity-A-(8R,9S,13S,14S)-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one; Estrone; (+)-Estrone;1,3,5(10)-Estratrien-3-ol-17-one; 3-Hydroxy-17-keto-estra-1,3,5-triene; Aquacrine; Crinovaryl; Cristallovar; Crystogen; WAY 164397; Wynestron

Estradiol EP-Impurity-B-(8R,9S,13S,14S,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol; Estriol Impurity J (EP/BP); 17α-Estradiol; (17α)-Estra-1,3,5(10)-triene-3,17-diol; 1,3,5-Estratriene-3,17α-diol; 13β-Methyl-1,3,5(10)-gonatriene-3,17α-diol; 17-Epiestradiol; 17α-Oestradiol; 3,17-Dihydroxyestratriene; 3,17α-Dihydroxyoestra-1,3,5(10)-triene; Alfatradiol; Epiestrol; α-Estradiol

Estradiol EP-Impurity-C-(8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol; 4-Methyl Estradiol; (17β)-4-Methylestra-1,3,5(10)-triene-3,17-diol; 4-Methylestradiol

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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Estradiol for peak identification CRS (Chemical Reference Standard) is a certified, high-purity estradiol reference material used in analytical techniques such as HPLC or GC to accurately identify the estradiol peak in a sample. It ensures correct retention time matching, method validation, and reliable quality control in pharmaceutical and research laboratories.