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Estriol Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Estriol, pharmacopeial and non-pharmacopeial Estriol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Estriol 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.

Estriol-related products are thoroughly characterized. Estriol 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.

Pharmaceutical Reference Standards

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

Picture of 15,16-Deshydroxy 3-O-Benzyl Estetrol 17-Acetate
SZ CAT No:: SZ-E022021
CAS No: 690996-25-9
Mol.F.: C27H30O3
Mol.Wt.: 402.5
Inv. Status: In Stock

2-Hydroxy Estrone

Picture of 2-Hydroxy Estrone
SZ CAT No:: SZ-E022026
CAS No: 362-06-1
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: In Stock

3-O-Benzyl Estetrol 17-Acetate

Picture of 3-O-Benzyl Estetrol 17-Acetate
SZ CAT No:: SZ-E022022
CAS No: 690996-24-8
Mol.F.: C27H32O5
Mol.Wt.: 436.5
Inv. Status: In Stock

Estetrol 17-Acetate

Picture of Estetrol 17-Acetate
SZ CAT No:: SZ-E022023
CAS No: 690996-23-7
Mol.F.: C20H26O5
Mol.Wt.: 346.4
Inv. Status: In Stock

Estratetraenol

Picture of Estratetraenol
SZ CAT No:: SZ-E022030
CAS No: 1150-90-9
Mol.F.: C18H22O
Mol.Wt.: 254.4
Inv. Status: In Stock

Estriol

Picture of Estriol
SZ CAT No:: SZ-E022001
CAS No: 50-27-1
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: In Stock

Estriol EP Impurity A

Picture of Estriol EP Impurity A
SZ CAT No:: SZ-E022002
CAS No: 246021-20-5
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: In Stock

Estriol EP Impurity B

Picture of Estriol EP Impurity B
SZ CAT No:: SZ-E022003
CAS No: 53-16-7
Mol.F.: C18H22O2
Mol.Wt.: 270.4
Inv. Status: In Stock
Rel. CAT No: SZ-E007004 ,

Estriol EP Impurity D

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

Estriol EP Impurity E

Picture of Estriol EP Impurity E
SZ CAT No:: SZ-E022006
CAS No: 1228-72-4
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: In Stock

Estriol EP Impurity F

Picture of Estriol EP Impurity F
SZ CAT No:: SZ-E022007
CAS No: 547-81-9
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: In Stock

Estriol EP Impurity H

Picture of Estriol EP Impurity H
SZ CAT No:: SZ-E022009
CAS No: 566-76-7
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: In Stock

Estriol EP Impurity J

Picture of Estriol EP Impurity J
SZ CAT No:: SZ-E022019
CAS No: 57-91-0
Mol.F.: C18H24O2
Mol.Wt.: 272.4
Inv. Status: In Stock

Estriol EP Impurity K

Picture of Estriol EP Impurity K
SZ CAT No:: SZ-E022020
CAS No: 901-93-9
Mol.F.: C20H24O3
Mol.Wt.: 312.4
Inv. Status: In Stock

Estriol Impurity 2

Picture of Estriol Impurity 2
SZ CAT No:: SZ-E022027
CAS No: 1426679-35-7
Mol.F.: C25H30O4
Mol.Wt.: 394.5
Inv. Status: In Stock

Estriol Impurity 3

Picture of Estriol Impurity 3
SZ CAT No:: SZ-E022028
CAS No: 58001-91-5
Mol.F.: C18H24O4
Mol.Wt.: 304.4
Inv. Status: In Stock

Estetrol

Picture of Estetrol
SZ CAT No:: SZ-E022018
CAS No: 15183-37-6
Mol.F.: C18H24O4
Mol.Wt.: 304.4
Inv. Status: Limited Stock
Rel. CAS No: 2055649-81-3 (Hydrate salt)

Estriol EP Impurity C

Picture of Estriol EP Impurity C
SZ CAT No:: SZ-E022004
CAS No: 1474-53-9
Mol.F.: C19H26O3
Mol.Wt.: 302.4
Inv. Status: Out of Stock

Estriol EP Impurity G

Picture of Estriol EP Impurity G
SZ CAT No:: SZ-E022008
CAS No: 793-89-5
Mol.F.: C18H24O3
Mol.Wt.: 288.4
Inv. Status: Out of Stock

17-Alpha-Ethynylestriol

Picture of 17-Alpha-Ethynylestriol
SZ CAT No:: SZ-E022011
CAS No: 4717-40-2
Mol.F.: C20H24O3
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

2,4-Dibromo Estetrol

Picture of 2,4-Dibromo Estetrol
SZ CAT No:: SZ-E022024
CAS No: NA
Mol.F.: C18H22Br2O4
Mol.Wt.: 462.2
Inv. Status: Custom Synthesis

3-O-Benzyl Estriol

Picture of 3-O-Benzyl Estriol
SZ CAT No:: SZ-E022013
CAS No: 18650-87-8
Mol.F.: C18H22O3
Mol.Wt.: 378.5
Inv. Status: Custom Synthesis

4-Hydroxy Estrone

Picture of 4-Hydroxy Estrone
SZ CAT No:: SZ-E022031
CAS No: 3131-23-5
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

6-Oxo Estriol

Picture of 6-Oxo Estriol
SZ CAT No:: SZ-E022012
CAS No: 7323-86-6
Mol.F.: C18H22O4
Mol.Wt.: 302.4
Inv. Status: Custom Synthesis

6α-Hydroxy Estriol

Picture of 6α-Hydroxy Estriol
SZ CAT No:: SZ-E022014
CAS No: 7291-49-8
Mol.F.: C18H24O4
Mol.Wt.: 304.4
Inv. Status: Custom Synthesis

Estetrol Hydrate

Picture of Estetrol Hydrate
SZ CAT No:: SZ-E022029
CAS No: 2055649-81-3
Mol.F.: C18H24O4
Mol.Wt.: 304.4 : 18.0
Inv. Status: Custom Synthesis
Rel. CAS No: 15183-37-6 (free base)

Estriol 16,17-Diacetate

Picture of Estriol 16,17-Diacetate
SZ CAT No:: SZ-E022016
CAS No: 805-26-5
Mol.F.: C22H28O5
Mol.Wt.: 372.5
Inv. Status: Custom Synthesis

Estriol EP Impurity I

Picture of Estriol EP Impurity I
SZ CAT No:: SZ-E022010
CAS No: 15370-49-7
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

Estriol Impurity 1

Picture of Estriol Impurity 1
SZ CAT No:: SZ-E022017
CAS No: 1417721-33-5
Mol.F.: C18H22O3
Mol.Wt.: 286.4
Inv. Status: Custom Synthesis

Estriol Triacetate

Picture of Estriol Triacetate
SZ CAT No:: SZ-E022015
CAS No: 2284-32-4
Mol.F.: C24H30O6
Mol.Wt.: 414.5
Inv. Status: Custom Synthesis
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