Date published: 2026-4-24

1-800-457-3801

SCBT Portrait Logo
Seach Input

CYP11B Inhibitors

CYP11B inhibitors belong to a specific class of chemical compounds designed to modulate the activity of two closely related enzymes, CYP11B1 and CYP11B2, which are critical components of the adrenal steroid biosynthesis pathway. These enzymes, also known as steroid 11-beta hydroxylase (CYP11B1) and aldosterone synthase (CYP11B2), play essential roles in the synthesis of cortisol and aldosterone, two vital steroid hormones that regulate various physiological processes in the human body. CYP11B1 primarily catalyzes the conversion of 11-deoxycortisol to cortisol in the adrenal cortex, whereas CYP11B2 is responsible for the conversion of corticosterone to aldosterone. CYP11B inhibitors exert their influence by interfering with the enzymatic activities of CYP11B1 and CYP11B2, thus modulating the production of these steroid hormones.

The mechanism of action of CYP11B inhibitors typically involves binding to the active sites of these enzymes, thereby obstructing their ability to convert precursor molecules into cortisol and aldosterone. By doing so, these inhibitors disrupt the synthesis of these hormones, leading to reduced levels of cortisol and aldosterone in the body. This modulation of steroid hormone production can have profound physiological consequences, as cortisol and aldosterone play pivotal roles in regulating blood pressure, electrolyte balance, and the body's response to stress. Consequently, CYP11B inhibitors have garnered significant interest in the fields of endocrinology and pharmacology for their potential to provide insights into the regulation of these essential hormones and the development of interventions for conditions related to their dysregulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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)

Inhibits CYP11B1 by blocking the conversion of cholesterol into cortisol and aldosterone, reducing steroid hormone production.

Etomidate

33125-97-2sc-203577
10 mg
$126.00
(0)

Acts as a reversible inhibitor by binding to the active site of CYP11B enzymes, blocking cortisol synthesis.

Metyrapone

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

Inhibits CYP11B1 by blocking the enzyme's conversion of 11-deoxycortisol to cortisol, studied in the research of Cushing's syndrome.

Ketoconazole

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

A non-selective inhibitor of multiple CYP enzymes, including CYP11B1 and CYP11B2, reducing cortisol and aldosterone synthesis.

Mitotane

53-19-0sc-205754
sc-205754A
100 mg
1 g
$72.00
$166.00
1
(1)

Disrupts mitochondrial function in adrenal cells, reducing steroid hormone production, especially in adrenocortical carcinoma.

Fadrozole hydrochloride

102676-31-3sc-252819
sc-252819A
sc-252819B
10 mg
50 mg
500 mg
$141.00
$541.00
$4162.00
(1)

Blocks the aromatase enzyme, which indirectly reduces adrenal androgen synthesis via feedback regulation.

Abiraterone Acetate

154229-18-2sc-207240
5 mg
$231.00
1
(1)

Inhibits CYP17A1, a crucial enzyme involved in both androgen and cortisol synthesis in the adrenal glands.

Trilostane

13647-35-3sc-208469
sc-208469A
10 mg
100 mg
$228.00
$1217.00
2
(1)

Competitive inhibitor of 3β-hydroxysteroid dehydrogenase, leading to reduced cortisol synthesis.

Mifepristone

84371-65-3sc-203134
100 mg
$61.00
17
(1)

Acts as a glucocorticoid receptor antagonist, indirectly inhibiting cortisol action without directly targeting CYP11B enzymes.