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E7887

Sigma-Aldrich

17α-Ethynylestradiol 3-cyclopentyl ether

Synonym(s):

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

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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)

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Bo Jiang et al.
Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences, 29(5), 529-533 (2005-09-03)
To determine the effects of long-term estrogen deficiency and replacement therapy of compound nylestriol tablet or low-dose 17 beta-estradiol on the expression of nerve growth factor (NGF) in rat hippocampal formation. Fifty 7 month-old female Sprague-Dawley rats were randomly divided
Hua Nian et al.
Journal of ethnopharmacology, 108(1), 96-102 (2006-06-13)
The antiosteoporotic effect of a herbal formula, Er-Xian Decoction (EXD), in ovariectomized (OVX) rats model of osteoporosis was investigated. The rats were divided into Sham and OVX groups. The OVX rats were further sub-divided into four groups administered orally with
Tao Tang et al.
Biomedical chromatography : BMC, 24(7), 706-710 (2009-11-03)
Levonorgestrel and quinestrol, commonly known as EP-1, has long been used in the control of wild rodents. Up to the present time, however, no method for simultaneous quantification of levonorgestrel and quinestrol in rat plasma has been reported. In the
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
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
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