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SML0550

Sigma-Aldrich

Nestorone

≥97% (HPLC)

Synonym(s):

17-(Acetyloxy)-16-methylene-19-norpregn-4-ene-3,20-dione, 17-Hydroxy-16-methylene-19-norpregn-4-ene-3,20-dione acetate, Elcometrine, Nestoron, ST-1435, ST1435

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10 MG
MXP 2,005.00
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Estimated to ship onApril 25, 2025


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10 MG
MXP 2,005.00
50 MG
MXP 7,763.00

About This Item

Empirical Formula (Hill Notation):
C23H30O4
CAS Number:
Molecular Weight:
370.48
MDL number:
UNSPSC Code:
51111800
PubChem Substance ID:
NACRES:
NA.77

MXP 2,005.00


Estimated to ship onApril 25, 2025


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Quality Level

Assay

≥97% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 5 mg/mL, clear

storage temp.

2-8°C

SMILES string

CC(=O)O[C@]1(C(C)=O)C(=C)C[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@]12C

InChI

1S/C23H30O4/c1-13-11-21-20-7-5-16-12-17(26)6-8-18(16)19(20)9-10-22(21,4)23(13,14(2)24)27-15(3)25/h12,18-21H,1,5-11H2,2-4H3/t18-,19+,20+,21-,22-,23-/m0/s1

InChI key

CKFBRGLGTWAVLG-GOMYTPFNSA-N

Gene Information

human ... PGR(5241)

Related Categories

Biochem/physiol Actions

Nestorone is a potent progesterone receptor agonist with no androgenic, estrogenic, or glucocorticoid-like activities.
Nestorone is a potent progesterone receptor agonist with no androgenic, estrogenic, or glucocorticoid-like activities. Nestorone has been used as a female contraceptive, and recent studies inidicate that it may be useful as a male contraceptive as well. It has also been shown to have neurogenic and neuroprotective activity.

Features and Benefits

This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Luis Bahamondes et al.
The Journal of reproductive medicine, 48(8), 637-640 (2003-09-16)
To evaluate the prevalence of enlarged ovarian follicles among users of a 20 micrograms/d levonorgestrel-releasing intrauterine system (Mirena, Leiras Oy, Turku, Finland), of subdermal contraceptive implants releasing Nestorone (Population Council, New York, New York) and of the TCu 380A intrauterine
Ian S Fraser et al.
Contraception, 72(1), 40-45 (2005-06-21)
This trial tested the hypothesis that menstrually signaled use of contraceptive vaginal rings ("rings") releasing low-dose combinations of Nestorone (NES) and ethinyl estradiol (EE) would reliably suppress luteal activity and ovulation, and prevent unintended pregnancy, while controlling the incidence of
Mandana Rad et al.
American journal of obstetrics and gynecology, 195(1), 72-77 (2006-03-21)
This study aimed to compare the effects on hemostasis variables of a contraceptive vaginal ring with those of an oral contraceptive. Twenty-three and 22 healthy premenopausal women were randomized to the contraceptive vaginal ring (150 microg Nestorone and 15 microg
Xiao-Feng Zhao et al.
Contraception, 69(6), 505-511 (2004-05-26)
The implant containing Nestorone is a promising long-acting contraceptive especially suitable for lactating women. In this study, two experiments were designed to observe the effect of Nestorone on the gonadotropic cells in pituitary of rats for analyzing its antiovulation mechanism.
Edith Weisberg et al.
Contraception, 72(1), 46-52 (2005-06-21)
We examined the clinical performance of contraceptive vaginal rings (rings) delivering Nestorone (NES) progestin and ethinyl estradiol (EE). Ring removal times were signaled by menstrual events. Bleeding patterns, adverse events, patterns of use and continuation rates were the principal parameters

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