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Safety Information

285862

Sigma-Aldrich

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

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About This Item

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

Assay

98%

optical activity

[α]20/D −28°, c = 0.4 in pyridine

mp

182-183 °C (lit.)

SMILES string

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

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

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Description
Pricing

Signal Word

Danger

Hazard Statements

H302,H351,H360Fd,H410

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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

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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
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
Bernardine H Stegeman et al.
BMJ (Clinical research ed.), 347, f5298-f5298 (2013-09-14)
To provide a comprehensive overview of the risk of venous thrombosis in women using different combined oral contraceptives. Systematic review and network meta-analysis. PubMed, Embase, Web of Science, Cochrane, Cumulative Index to Nursing and Allied Health Literature, Academic Search Premier
Bin Huang et al.
Environment international, 59, 262-273 (2013-07-16)
The occurrence, removal and bioaccumulation of steroid estrogens such as the natural estrone (E1), 17β-estradiol (E2) and estriol (E3), as well as the synthetic 17α-ethynylestradiol (EE2) were investigated in Dianchi Lake catchment, China. The results show that traditional secondary treatment
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