Estradiol Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Estradiol, pharmacopeial and non-pharmacopeial Estradiol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Estradiol impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Estradiol-related products are thoroughly characterized. Estradiol products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

17α-Estradiol Sulfate Sodium Salt

SZ CAT No:: SZ-E031025
CAS No: 56050-04-5
Mol.F.: C18H23O5S : Na
Mol.Wt.: 351.4 : 23.0
Inv. Status: In Stock
Rel. CAS No: 22139-70-4 (free base)

1-Hydroxy-4-Methylestra-1,3,5(10)-Trien-17-One

SZ CAT No:: SZ-E031023
CAS No: 4954-08-9.
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

1-Methylestrone

SZ CAT No:: SZ-E031024
CAS No: 4011-48-7
Mol.F.: C19H24O2
Mol.Wt.: 284.4
Inv. Status: In Stock

4-Methylestradiol Cypionate

SZ CAT No:: SZ-E031036
CAS No: NA
Mol.F.: C27H38O3
Mol.Wt.: 410.6
Inv. Status: In Stock

6-Alpha Hydroxyestradiol

SZ CAT No:: SZ-E031016
CAS No: 1229-24-9
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: In Stock

6-Beta Hydroxyestradiol

SZ CAT No:: SZ-E031014
CAS No: 3583-03-7
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: In Stock

Delta-9,11-Promestriene

SZ CAT No:: SZ-E031028
CAS No: 2575516-67-3
Mol.F.: C22H30O2
Mol.Wt.: 326.5
Inv. Status: In Stock

Estradiol

SZ CAT No:: SZ-E031001
CAS No: 50-28-2
Mol.F.: C18H24O2
Mol.Wt.: 272.4
Inv. Status: In Stock
Rel. CAT No: SZ-E005002 , SZ-E007005 , SZ-E022005 , SZ-E077002 , ,

Estradiol Acetate

SZ CAT No:: SZ-E031019
CAS No: 4245-41-4
Mol.F.: C20H26O3
Mol.Wt.: 314.4
Inv. Status: In Stock

Estradiol Dicypionate

SZ CAT No:: SZ-E031035
CAS No: 633-36-3
Mol.F.: C34H48O4
Mol.Wt.: 520.8
Inv. Status: In Stock

Estradiol Dienanthate

SZ CAT No:: SZ-E031022
CAS No: NA
Mol.F.: C32H48O4
Mol.Wt.: 496.7
Inv. Status: In Stock

Estradiol Dimer 2

SZ CAT No:: SZ-E031033
CAS No: NA
Mol.F.: C36H46O4
Mol.Wt.: 542.8
Inv. Status: In Stock

Estradiol Dimer Impurity

SZ CAT No:: SZ-E031029
CAS No: NA
Mol.F.: C36H46O4
Mol.Wt.: 542.8
Inv. Status: In Stock

Estradiol USP Related Compound B

SZ CAT No:: SZ-E031017
CAS No: 7291-41-0
Mol.F.: C18H22O2
Mol.Wt.: 270.4
Inv. Status: In Stock

Estradiol USP Related Compound C 

SZ CAT No:: SZ-E031015
CAS No: 571-92-6
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: In Stock

Estradiol-9-Ene Cypionate

SZ CAT No:: SZ-E031038
CAS No: NA
Mol.F.: C26H34O3
Mol.Wt.: 394.6
Inv. Status: In Stock

Estrone Acetate

SZ CAT No:: SZ-E031018
CAS No: 901-93-9
Mol.F.: C20H24O3
Mol.Wt.: 312.4
Inv. Status: In Stock

Promestriene

SZ CAT No:: SZ-E031027
CAS No: 39219-28-8
Mol.F.: C22H32O2
Mol.Wt.: 328.5
Inv. Status: In Stock

Sodium 17β-Estradiol 3-O-Sulfate

SZ CAT No:: SZ-E031026
CAS No: 4999-79-5
Mol.F.: C18H23O5S : Na
Mol.Wt.: 351.4 : 23.0
Inv. Status: In Stock
Rel. CAS No: 481-96-9 (free base)

β-Estradiol 17-Acetate

SZ CAT No:: SZ-E031020
CAS No: 1743-60-8
Mol.F.: C20H26O3
Mol.Wt.: 314.4
Inv. Status: In Stock

β-Estradiol 3,17-Diacetate

SZ CAT No:: SZ-E031021
CAS No: 3434-88-6
Mol.F.: C22H28O4
Mol.Wt.: 356.5
Inv. Status: In Stock

Estradiol 17-Hexanoate

SZ CAT No:: SZ-E031043
CAS No: 71764-18-6
Mol.F.: C24H34O3
Mol.Wt.: 370.5
Inv. Status: In Stock

Estradiol Impurity 1

SZ CAT No:: SZ-E031034
CAS No: 41460-44-0
Mol.F.: C26H36O3
Mol.Wt.: 396.6
Inv. Status: In Stock

∆8,9-Dehydro-17β-Estradiol

SZ CAT No:: SZ-E031037
CAS No: 23392-54-3
Mol.F.: C18H22O2
Mol.Wt.: 270.4
Inv. Status: Custom Synthesis

16-Keto 17β-Estradiol

SZ CAT No:: SZ-E031044
CAS No: 566-75-6
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

17β-Estradiol 17-Sulfate (Potassium Salt)

SZ CAT No:: SZ-E031051
CAS No: 23929-50-2
Mol.F.: C18H23O5S : K
Mol.Wt.: 351.4 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No: 3233-69-0 (free base)

18-Nor-17β-Estradiol

SZ CAT No:: SZ-E031049
CAS No: 15093-14-8
Mol.F.: C17H22O2
Mol.Wt.: 258.4
Inv. Status: Custom Synthesis

2-Methyl Estradiol

SZ CAT No:: SZ-E031048
CAS No: 1818-12-8
Mol.F.: C19H26O2
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

3-O-Methyl Estradiol Dimer

SZ CAT No:: SZ-E031031
CAS No: NA
Mol.F.: C49H59N7O4
Mol.Wt.: 810.1
Inv. Status: Custom Synthesis

Estradiol Dimer 1

SZ CAT No:: SZ-E031032
CAS No: NA
Mol.F.: C36H46O4
Mol.Wt.: 542.8
Inv. Status: Custom Synthesis

Estradiol Dimer Impurity 1

SZ CAT No:: SZ-E031030
CAS No: NA
Mol.F.: C47H55N7O4
Mol.Wt.: 782.0
Inv. Status: Custom Synthesis

Estradiol Impurity 6

SZ CAT No:: SZ-E031046
CAS No: 1429637-70-6
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

Estradiol Impurity 7

SZ CAT No:: SZ-E031047
CAS No: NA
Mol.F.: C18H24O4
Mol.Wt.: 304.4
Inv. Status: Custom Synthesis

Estradiol-17beta-glucuronide

SZ CAT No:: SZ-E031050
CAS No: 1806-98-0
Mol.F.: C24H32O8
Mol.Wt.: 448.5
Inv. Status: Custom Synthesis

2-Methoxy 17β-Estradiol

SZ CAT No:: SZ-E031042
CAS No: 362-07-2
Mol.F.: C19H26O3
Mol.Wt.: 302.4
Inv. Status: Custom Synthesis

Estradiol Impurity 2

SZ CAT No:: SZ-E031039
CAS No: NA
Mol.F.: C19H26O2
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

Estradiol Impurity 3

SZ CAT No:: SZ-E031040
CAS No: NA
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: Custom Synthesis

Estradiol Impurity 4

SZ CAT No:: SZ-E031041
CAS No: 57780-81-1
Mol.F.: C18H24O4
Mol.Wt.: 304.4
Inv. Status: Custom Synthesis

Estradiol Impurity 5

SZ CAT No:: SZ-E031045
CAS No: NA
Mol.F.: C18H20O3
Mol.Wt.: 284.4
Inv. Status: Under Synthesis

17β-Estradiol-3-β-D-Glucuronide

SZ CAT No:: SZ-E031052
CAS No: 15270-30-1
Mol.F.: C24H32O8
Mol.Wt.: 448.5
Inv. Status:

Estradiol Tri Keto Impurity

SZ CAT No:: SZ-E031058
CAS No: NA
Mol.F.: C18H22O4
Mol.Wt.: 302.4
Inv. Status:

Estriol 16-α-glucuronide

SZ CAT No:: SZ-E031053
CAS No: 1852-44-4
Mol.F.: C24H31O9 : Na
Mol.Wt.: 463.5 : 23.0
Inv. Status:
Rel. CAT No: 1852-50-2 (Free base) ,

Estriol 17-Glucuronide

SZ CAT No:: SZ-E031057
CAS No: 7219-89-8
Mol.F.: C24H32O9
Mol.Wt.: 464.5
Inv. Status:

Estriol 3-glucuronide

SZ CAT No:: SZ-E031054
CAS No: 2479-91-6
Mol.F.: C24H32O9
Mol.Wt.: 464.5
Inv. Status:

Estriol 3-sulfate

SZ CAT No:: SZ-E031055
CAS No: 5150-64-1
Mol.F.: C18H23O6S
Mol.Wt.: 367.4 : 23.0
Inv. Status:
Rel. CAT No: 481-95-8 (Free base) ,

Estriol 3-sulfate-16-α-glucuronide

SZ CAT No:: SZ-E031056
CAS No: 4661-65-8
Mol.F.: C24H32O12S
Mol.Wt.: 544.6
Inv. Status:

Δ9,11-Estradiol-d3

SZ CAT No:: SZ-E031D01
CAS No: NA
Mol.F.: C18H19D3O2
Mol.Wt.: 273.4
Inv. Status: In Stock
Rel. CAS No: 791-69-5 (unlabeled)

17β-Estradiol-3-β-D-Glucuronide-D3 

SZ CAT No:: SZ-E031D04
CAS No: 1260231-06-8
Mol.F.: C24H29D3O8
Mol.Wt.: 451.5
Inv. Status: Custom Synthesis
Rel. CAS No: 15270-30-1 (unlabeled)

Estradiol D4

SZ CAT No:: SZ-E031D02
CAS No: 66789-03-5
Mol.F.: C18H20D4O2
Mol.Wt.: 276.4
Inv. Status: Custom Synthesis

Estradiol-D3

SZ CAT No:: SZ-E031D03
CAS No: 79037-37-9
Mol.F.: C18H21D3O2
Mol.Wt.: 275.4
Inv. Status: Custom Synthesis

Estriol 13C3

SZ CAT No:: SZ-E031D05
CAS No: 1255639-56-5
Mol.F.: C1513C3H24O3
Mol.Wt.: 291.4
Inv. Status:
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