Skip to Content
Merck
CN

285862

17α-Ethynylestradiol

98%

Synonym(s):

17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol, 19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol, Ethinylestradiol

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C20H24O2
CAS Number:
57-63-6
Molecular Weight:
296.40
EC Number:
200-342-2
UNSPSC Code:
12352103
MDL number:
MFCD00003690
Beilstein/REAXYS Number:
2419975

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI

1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1

InChI key

BFPYWIDHMRZLRN-SLHNCBLASA-N

SMILES string

[H][C@]12CC[C@@]3(C)[C@@]([H])(CC[C@@]3(O)C#C)[C@]1([H])CCc4cc(O)ccc24

assay

98%

optical activity

[α]20/D −28°, c = 0.4 in pyridine

mp

182-183 °C (lit.)

Looking for similar products? Visit Product Comparison Guide

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 1 - Carc. 2 - Repr. 1A

Storage Class

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

wgk

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

新产品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
24411MI
13021AB
12602HF
11721AA
09812PS

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Jie Han et al.
Water research, 47(7), 2273-2284 (2013-03-08)
This study demonstrates that ethinylestradiol (EE2), a priority estrogenic contaminant in water, can be rapidly and selectively removed from aqueous solutions using industrial-grade polyamide 612 (PA612) particles as adsorbents. Isothermal studies showed that nonporous low surface area (20 m(2) g(-1)) PA612 particles
C Piérard-Franchimont et al.
Maturitas, 22(2), 151-154 (1995-09-01)
The effects of menopause and hormone replacement therapy (HRT) on the epidermis are largely unknown. The aim of this study was to model and measure the influence of estrogen-transdermal HRT on subtle physiological changes taking place in the epidermis during
Konrad F Koehler et al.
Endocrine reviews, 26(3), 465-478 (2005-04-29)
We have known for many years that estrogen is more than the female hormone. It is essential in the male gonads, and in both sexes, estrogen has functions in the skeleton and central nervous system, on behavior, and in the
Kristina Gemzell-Danielsson et al.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 29 Suppl 1, 1-14 (2013-03-06)
There have been numerous attempts to control fertility after unprotected sexual intercourse (UPSI). From very bizarre methods like the vaginal application of Coca Cola to the more serious attempts using calcium antagonists influencing fertility parameters in sperm to hormonal methods
Andrew M Kaunitz et al.
Obstetrics and gynecology, 123(2 Pt 1), 295-303 (2014-01-10)
To compare a new low-dose levonorgestrel and ethinyl estradiol contraceptive patch (Patch) with a combination oral contraceptive (Pill; 100 micrograms levonorgestrel, 20 micrograms ethinyl estradiol) regarding efficacy, safety, compliance, and unscheduled uterine bleeding. Women (17-40 years; body mass index 16-60)
View All Related Papers

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