Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

E7887

Sigma-Aldrich

17α-Ethynylestradiol 3-cyclopentyl ether

Synonym(s):

17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol 3-cyclopentyl ether, Quinestrol

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C25H32O2
CAS Number:
152-43-2
Molecular Weight:
364.52
EC Number:
205-803-1
MDL number:
MFCD00079189
UNSPSC Code:
12352202
PubChem Substance ID:
24894659
NACRES:
NA.77

form

solid

Quality Level

200

shipped in

ambient

storage temp.

room temp

SMILES string

[H][C@]12CC[C@@]3(C)[C@@]([H])(CC[C@@]3(O)C#C)[C@]1([H])CCc4cc(OC5CCCC5)ccc24

InChI

1S/C25H32O2/c1-3-25(26)15-13-23-22-10-8-17-16-19(27-18-6-4-5-7-18)9-11-20(17)21(22)12-14-24(23,25)2/h1,9,11,16,18,21-23,26H,4-8,10,12-15H2,2H3/t21-,22-,23+,24+,25+/m1/s1

InChI key

PWZUUYSISTUNDW-VAFBSOEGSA-N

Gene Information

human ... ESR1(2099) , ESR2(2100)

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Repr. 1B

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Li Li et al.
Zhonghua fu chan ke za zhi, 43(11), 843-848 (2008-12-18)
To explore the relationship between hormone therapy (HT) in women with ovarian malignancy and prognosis. HT was used in 31 patients with ovarian cancer after surgery, and 44 cases with ovarian cancer served as control. The expression of estrogen receptor
Hai-yan Meng et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 32(2), 179-182 (2009-06-10)
To observe the effects of pilose antler and antler glue on osteoporosis of ovariectomized rats. 60 6-month-old female rats were divided randomly into sham-operated group, model group, the positive group, pilose antler high-dose group, pilose antler low-dose group and antler
Ming Liu et al.
Pest management science, 68(4), 592-601 (2012-01-11)
Plateau pikas (Ochotona curzoniae, Hodgson, 1858) are viewed as a pest in the Tibetan Plateau meadow ecosystem when their population densities are high. Traditional culling using rodenticides often poses a high risk to non-target species and even to humans. In
H Nian et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 16(4), 320-326 (2009-03-10)
Icariin was evaluated for its antiosteoporotic activity in an ovariectomized rat model of osteoporosis. The rats were divided into sham and OVX groups. The OVX rats were then subdivided into five groups treated with water, nylestriol (1 mg/kg body weight
Nicholas S Eyre et al.
Antimicrobial agents and chemotherapy, 64(8) (2020-06-03)
Flaviviruses such as Zika virus (ZIKV), dengue virus (DENV), and West Nile virus (WNV) are major global pathogens for which safe and effective antiviral therapies are not currently available. To identify antiviral small molecules with well-characterized safety and bioavailability profiles
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