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Safety Information

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
¥11,500
50 MG
¥68,200

¥11,500

Estimated to ship onApril 17, 2025

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10 MG
¥11,500
50 MG
¥68,200

About This Item

Empirical Formula (Hill Notation):
C23H30O4
CAS Number:
7759-35-5
Molecular Weight:
370.48
MDL number:
MFCD01711303
UNSPSC Code:
51111800
PubChem Substance ID:
329825546
NACRES:
NA.77

¥11,500

Estimated to ship onApril 17, 2025

New, lower price on this item!
Request a Bulk Order

Quality Level

100

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)

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

SML0550-10MG:
SML0550-50MG:
SML0550-BULK:
SML0550-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
0000362346
0000362346
0000126605
0000126605
0000175163

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Pramod Vishwanath Prasad et al.
Steroids, 75(3), 252-264 (2010-01-13)
A synthetic progestin Nestorone is being developed for female-contraception. This study was conducted to determine the distribution, metabolism, and excretion of tritium-labeled Nestorone ((3)H Nestorone) in adult female rats. Rats were injected subcutaneously (S.C.) with a single dose of 400
Marilia Oliveira-Ribeiro et al.
Contraception, 73(6), 634-640 (2006-05-30)
This descriptive study evaluated endometrial histology, microvascular density and caliber, and quantification of matrix metalloproteinase (MMP-3) expression in long-term users of the Nestorone (NES)-releasing implant who presented or not endometrial breakthrough bleeding (BTB). Endometrial biopsies were obtained from 32 healthy
Xiao-Dong Fu et al.
BMC cancer, 8, 166-166 (2008-06-11)
Limited information is available on the effects of progestins on breast cancer progression and metastasis. Cell migration and invasion are central for these processes, and require dynamic cytoskeletal and cell membrane rearrangements for cell motility to be enacted. We investigated
Ian S Fraser et al.
Contraception, 76(6), 432-438 (2007-12-07)
Transdermal delivery of steroids is gaining popularity for contraception and hormone replacement therapy. This study aimed to test metered spray delivery of a precise dosage of Nestorone (NES) progestogen as a possible transdermal progestogen-only contraceptive. Six healthy postmenopausal volunteers, not
Régine L Sitruk-Ware et al.
Contraception, 75(6), 430-437 (2007-05-24)
We evaluated the effects of a new combined hormonal contraceptive vaginal ring (CVR) delivering the nonandrogenic progestin Nestorone (NES) and ethinyl estradiol (EE) on several key estrogen-sensitive hepatic proteins that may be markers for the risk of arterial or venous
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