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Nestoron

Name: Nestoron
Brand: TargetMol
SKU: T5174
Price: 35 USD
Availability: InStock
Rating: 5 (10 reviews)

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Catalog No. T5174Cas No. 7759-35-5

Alias ST-1435, Segesterone Acetate, Nestorone, Elcometrine

Nestoron (Segesterone Acetate), a synthetic progestin, is a high-affinity agonist of the progesterone receptor (EC50: 10.3 nM).

Nestoron

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Purity: 99.92%

Catalog No. T5174Alias ST-1435, Segesterone Acetate, Nestorone, ElcometrineCas No. 7759-35-5

Nestoron (Segesterone Acetate), a synthetic progestin, is a high-affinity agonist of the progesterone receptor (EC50: 10.3 nM).

Pack Size	Price	USA Warehouse	Global Warehouse
5 mg	$35	In Stock	In Stock
10 mg	$57	In Stock	In Stock
25 mg	$118	In Stock	In Stock
50 mg	$226	In Stock	In Stock
100 mg	$365	In Stock	In Stock
1 mL x 10 mM (in DMSO)	$63	In Stock	In Stock

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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]

All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose.

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Purity:99.92%

Appearance:Solid

Color:White to Yellow

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COA HNMR LCMS

Product Introduction

Bioactivity

Description	Nestoron (Segesterone Acetate), a synthetic progestin, is a high-affinity agonist of the progesterone receptor (EC50: 10.3 nM).
Targets&IC50	PR:10.3 nM
In vitro	Nestorone (ST-1435) showed significant binding (ED50 = 56 nM) compared to the binding of dexamethasone (ED50 = 21 nM) to calf thymus GR. Progesterone and Nestorone showed no binding to SHBG [1]. Chronic ST-1435 and E2 alone or in combination increased neurogenesis by a comparable magnitude, with minimum to no antagonistic or additive effects between ST-1435 and E2. In addition, chronic exposure of ST-1435 or ST-1435 + E2 stimulated oligodendrocyte generation [2].
In vivo	The potency of Nestorone was over 100-fold higher upon s.c. administration than via the oral route. Nestorone showed no androgenic or anabolic activity. Nestorone did not bind to sex hormone binding globulin (SHBG). In contrast to estradiol and levonorgestrel, Nestorone showed no uterotropic activity in ovariectomized rats. Despite significant binding to glucocorticoid receptors (GR), Nestorone showed no glucocorticoid activity in vivo [1].
Animal Research	Immature female rats were ovariectomized under methoxylflurane anesthesia, randomly distributed into treatment groups (n 5 6 per group), and used 5 to 7 days later. Levonorgestrel or Nestorone (1 or 5 mg) was injected s.c. daily for 5 days. Vaginal lavages were examined microscopically to detect vaginal cornification. The animals were killed on day 6, and the uteri were removed, cleaned, blotted dry, and weighed. The antiestrogenic effects of levonorgestrel and Nestorone were determined in rats receiving 1.0 mg E2. A positive control group received E2 alone. Negative controls received the vehicle [1].
Synonyms	ST-1435, Segesterone Acetate, Nestorone, Elcometrine

Chemical Properties

Molecular Weight	370.48
Formula	C₂₃H₃₀O₄
Cas No.	7759-35-5
Smiles	[H][C@@]12CC(=C)[C@](OC(C)=O)(C(C)=O)[C@@]1(C)CC[C@]1([H])[C@@]3([H])CCC(=O)C=C3CC[C@@]21[H]
Relative Density.	1.0550 g/cm3 (Estimated)

Storage & Solubility Information

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature.

Solubility Information

DMSO: 55 mg/mL (148.46 mM), Sonication is recommended.

In Vivo Formulation

10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (5.4 mM), Sonication is recommended.

Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions.

Solution Preparation Table

DMSO

	1mg	5mg	10mg	50mg
1 mM	2.6992 mL	13.4960 mL	26.9920 mL	134.9601 mL
5 mM	0.5398 mL	2.6992 mL	5.3984 mL	26.9920 mL
10 mM	0.2699 mL	1.3496 mL	2.6992 mL	13.4960 mL
20 mM	0.1350 mL	0.6748 mL	1.3496 mL	6.7480 mL
50 mM	0.0540 mL	0.2699 mL	0.5398 mL	2.6992 mL
100 mM	0.0270 mL	0.1350 mL	0.2699 mL	1.3496 mL

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:

For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, TargetMol | Animal experiments

and a total of 10 animals are to be administered, using a formulation of TargetMol | reagent

10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH₂O , the resulting working solution concentration would be 2 mg/mL.

Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSO TargetMol | reagent to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSO TargetMol | reagent stock solution to 400 μL PEG300 and mix thoroughly until the solution becomes clear.

2) Add 50 μL Tween 80 and mix well until fully clarified.

3) Add 450 μL Saline,PBS or ddH₂O TargetMol | reagent and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.

All co-solvents required for this protocol, includingDMSO, PEG300/PEG400, Tween 80, SBE-β-CD, and Corn oil, are available for purchase on the TargetMol website.

Dose Conversion

You can also refer to dose conversion for different animals. More Dose Conversion

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc