Molecular Weight(MW): 416.57
Spironolactone is a potent antagonist of the androgen receptor with IC50 of 77 nM.
Purity & Quality Control
Choose Selective Androgen Receptor Inhibitors
|Description||Spironolactone is a potent antagonist of the androgen receptor with IC50 of 77 nM.|
Spironolactone is a strong AR antagonist (IC50 ~ 77 nM), a weak GR antagonist (IC50 ~ 2.4 μM), and a weak PR agonist (EC50 ~ 740 nM).  Spironolactone inhibits androstanolone binding in rat prostate nuclei and androstanolone specific binding in rat prostate cytosol. 
|In vivo||Spironolactone (1 mg/day) exerts anti-androgenic activity in rats. A single pretreatment of spironolactone (1 mg/rat) inhibits specific and saturable uptake of hormone into prostate induced by tracer dose administration of [3H]testosterone. |
|In vitro||DMSO||83 mg/mL (199.24 mM)|
|Ethanol||20 mg/mL (48.01 mM)|
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).
Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )
* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).
Molecular Weight Calculator
Enter the chemical formula of a compound to calculate its molar mass and elemental composition:
Tip: Chemical formula is case sensitive. C10H16N2O2 c10h16n2o2
Instructions to calculate molar mass (molecular weight) of a chemical compound:
To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Clinical Trial Information
|NCT Number||Recruitment||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT03048825||Not yet recruiting||ST Elevation Myocardial Infarction||Population Health Research Institute|Canadian Institutes of Health Research (CIHR)|Boston Scientific Corporation||June 30, 2017||Phase 3|
|NCT01712620||Recruiting||Pulmonary Arterial Hypertension||National Institutes of Health Clinical Center (CC)|National Heart, Lung, and Blood Institute (NHLBI)|National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)|University of Pennsylvania|University of Maryland|Washington Hospital Center|New England Medical Center, Tufts University School of Medicine||September 24, 2012||Phase 1|Phase 2|
|NCT01294319||Completed||Cortisol Resistance|Negative Feedback|ACTH|Mineralcorticoid|Glucocorticoid||Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)|National Institutes of Health Clinical Center (CC)||January 24, 2011||Phase 2|
|NCT02901184||Not yet recruiting||Heart Failure With Preserved Ejection Fraction||Uppsala University|Karolinska University||March 2017||Phase 4|
|NCT03020303||Not yet recruiting||Endstage Renal Disease||Population Health Research Institute|Canadian Institutes of Health Research (CIHR)||February 2017||Phase 3|
|NCT01422759||Recruiting||Obesity|Hyperandrogenemia|Polycystic Ovary Syndrome||University of Virginia||November 2016||--|
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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