Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

E1680000

Estriol

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

1,3,5(10)-Estratriene-3,16α,17β-triol, 16α-Hydroxyestradiol, 3,16α,17β-Trihydroxy-1,3,5(10)-estratriene

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C18H24O3
CAS Number:
50-27-1
Molecular Weight:
288.38
Beilstein:
2508172
MDL number:
MFCD00003691
UNSPSC Code:
41116107
PubChem Substance ID:
329799015
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

estriol

manufacturer/tradename

EDQM

mp

280-282 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1C[C@@H](O)[C@@H]2O

InChI

1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1

InChI key

PROQIPRRNZUXQM-ZXXIGWHRSA-N

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Estriol EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H351,H360FD,H362

Hazard Classifications

Carc. 2 - Lact. - Repr. 1A

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Elisa Holm et al.
Maturitas, 78(4), 293-297 (2014-06-18)
To assess the patterns of use of reimbursed systemic hormone therapy (HT) and vaginal estrogen preparations among women aged 45 and older in Finland. Reimbursed purchases of prescribed systemic HT and vaginal estrogen preparations for the years 2003-2012 were obtained
Kent Holtorf
Postgraduate medicine, 121(1), 73-85 (2009-01-31)
The use of bioidentical hormones, including progesterone, estradiol, and estriol, in hormone replacement therapy (HRT) has sparked intense debate. Of special concern is their relative safety compared with traditional synthetic and animal-derived versions, such as conjugated equine estrogens (CEE), medroxyprogesterone
T M Goodwin
American journal of obstetrics and gynecology, 180(1 Pt 3), S208-S213 (1999-01-23)
Although estriol has been studied as an indicator of fetal well-being in the past, its broader biologic role has not been elucidated. Estriol in the maternal compartment closely reflects fetal adrenal activity, and increased fetal adrenal activity prior to the
H F Voss
American journal of obstetrics and gynecology, 180(1 Pt 3), S226-S231 (1999-01-23)
The purpose was to establish saliva as a reliable sample for the determination of estriol levels in pregnant women. Literature and laboratory analyses were used to develop an assembly system to collect and analyze saliva for estriol level. An enzyme-linked
Patrick S Ramsey et al.
Clinics in perinatology, 30(4), 701-733 (2004-01-13)
Preterm birth is a major complication of pregnancy and remains a leading cause of neonatal morbidity and mortality worldwide. Improvements in the authors' understanding of the pathophysiology of preterm labor have led to the development of novel diagnostic tools of
View All Related Papers

Articles

UHPLC Analysis of Conjugated Estrogens on Ascentis ® Express C18

Separation of Estriol 3-(β-D-glucuronide) sodium salt; β-Estradiol 3-(β-D-glucuronide) 17-sulfate dipotassium salt; Estriol 3-sulfate sodium salt; β-Estradiol 3,17-disulfate dipotassium salt, ≥95%; β-Estradiol 17-(β-D-glucuronide) sodium salt; β-Estradiol 3-(β-D-glucuronide) sodium salt; Estrone 3-(β-D-glucuronide) sodium salt; β-Estradiol 3-sulfate sodium salt, ≥93%; Estriol, ≥97%; Estrone 3-sulfate sodium salt, contains ~35% Tris as stabilizer; β-Estradiol, ≥98%; α-Estradiol, powder, ≥98% (TLC); Estrone, ≥99%

Related Content

UHPLC Analysis of Conjugated Estrogens on Titan™ C18

The Titan C18 column provided efficient and rapid resolution of thirteen related estrogenic compounds. Ultra Ultra high purity solvents provided robust operation.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service