Date published: 2026-4-1

1-800-457-3801

SCBT Portrait Logo
Seach Input

Aldosterone Inhibitors

Aldosterone is a mineralocorticoid hormone produced by the adrenal cortex in the adrenal glands. It plays a pivotal role in regulating electrolyte and fluid balance by promoting the reabsorption of sodium and excretion of potassium in the kidneys. Specifically, aldosterone acts on the principal cells of the renal collecting ducts, leading to the insertion of sodium channels on the apical membrane and sodium-potassium pumps on the basolateral membrane. This results in increased sodium reabsorption from the tubular fluid back into the bloodstream and increased potassium excretion into the urine. Additionally, aldosterone stimulates the reabsorption of water, which in turn increases blood volume and blood pressure. The production and release of aldosterone are primarily regulated by the renin-angiotensin-aldosterone system (RAAS), where a decrease in blood volume or blood pressure, or an increase in serum potassium, can stimulate its secretion. Aldosterone inhibitors, as the name suggests, are compounds that inhibit the action or synthesis of aldosterone. These inhibitors can operate via various mechanisms. Some directly block the aldosterone receptor, known as mineralocorticoid receptors, in the kidneys and other tissues. By doing so, they stop aldosterone from binding to its receptor, thereby inhibiting its action and leading to decreased sodium and water reabsorption and increased potassium retention. Another group of aldosterone inhibitors hinders the synthesis of aldosterone in the adrenal cortex. This is achieved by inhibiting enzymes involved in the biosynthesis of aldosterone or by disrupting the signaling pathways that stimulate its production. Overall, the primary effect of aldosterone inhibitors is the modulation of electrolyte and fluid balance, with a consequent impact on blood volume and pressure.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Potassium canrenoate

2181-04-6sc-205812
sc-205812A
1 g
5 g
$54.00
$131.00
(0)

Potassium canrenoate functions as a potent aldosterone antagonist, characterized by its unique ability to disrupt mineralocorticoid receptor signaling. Its molecular structure allows for selective binding, influencing receptor conformation and downstream gene expression. The compound's hydrophilic nature enhances solubility, facilitating interactions with biological membranes. Additionally, its metabolic pathways involve biotransformation, which can modulate its pharmacokinetics and bioavailability, impacting overall efficacy.

Eplerenone

107724-20-9sc-203943
sc-203943A
10 mg
50 mg
$110.00
$624.00
4
(1)

Eplerenone selectively binds to aldosterone receptors and blocks the reabsorption of sodium and water, which increases urinary output and decreases blood volume.

Canrenone

976-71-6sc-205616
sc-205616A
1 g
5 g
$94.00
$333.00
3
(1)

Canrenone is a major active metabolite of spironolactone and acts as an aldosterone antagonist, competing with aldosterone for receptor sites.

Drospirenone

67392-87-4sc-218277
10 mg
$209.00
(0)

Drospirenone is a synthetic progestin that also possesses anti-mineralocorticoid properties, meaning it works as an aldosterone antagonist.

Amiloride • HCl

2016-88-8sc-3578
sc-3578A
25 mg
100 mg
$22.00
$57.00
6
(2)

Amiloride works by directly blocking the epithelial sodium channel thereby inhibiting sodium reabsorption in the distal convoluted tubules, promoting the loss of sodium and water and the retention of potassium.

Triamterene

396-01-0sc-213103A
sc-213103
1 g
5 g
$22.00
$54.00
(0)

Triamterene is a potassium-sparing diuretic that inhibits the epithelial sodium channel in the late distal tubule and collecting duct.

Losartan

114798-26-4sc-353662
100 mg
$130.00
18
(1)

ARBs prevent angiotensin II from binding to its receptors, thereby inhibiting aldosterone secretion.

Ketoconazole

65277-42-1sc-200496
sc-200496A
50 mg
500 mg
$63.00
$265.00
21
(1)

Ketoconazole can inhibit adrenal steroidogenesis, including the production of aldosterone.

Metyrapone

54-36-4sc-200597
sc-200597A
sc-200597B
200 mg
500 mg
1 g
$26.00
$57.00
$88.00
4
(3)

Metyrapone inhibits the enzyme 11-β hydroxylase which is involved in the final steps of aldosterone and cortisol synthesis in the adrenal cortex.

Aminoglutethimide

125-84-8sc-207280
sc-207280A
sc-207280B
sc-207280C
1 g
5 g
25 g
100 g
$42.00
$146.00
$541.00
$2060.00
2
(1)

Aminoglutethimide inhibits the enzyme P450scc, blocking the conversion of cholesterol to pregnenolone, which is the first step in the synthesis of all steroid hormones, including aldosterone.