Date published: 2026-4-24

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MCR Inhibitors

The mineralocorticoid receptor (MCR), also known as the nuclear receptor subfamily 3 group C member 2 (NR3C2), is a significant component in the regulation of electrolyte balance, blood volume, and blood pressure. Positioned within the nuclear receptor family, MCR, like other members of this family, functions as a transcription factor that responds to various ligands. These ligands span from steroid hormones to retinoids, orchestrating the intricate dance of gene expression. MCR's primary role is its interaction with mineralocorticoids, especially aldosterone. When engaged, MCR's influence extends primarily to the kidneys, promoting sodium reabsorption and potassium excretion. This dynamic is pivotal for maintaining blood volume and pressure. Beyond its renal roles, MCR is also expressed in other tissues, including the heart, brain, and colon, hinting at its diverse functions within the body. Given MCR's central role in fluid balance and blood pressure regulation, the chemical class of MCR Inhibitors aims to modulate or attenuate the activity or expression of the mineralocorticoid receptor. These inhibitors can suppress the receptor's response to its natural ligand, aldosterone, or obstruct the receptor's activity directly, even in the ligand's absence. By inhibiting MCR activity, these compounds provide valuable insights into the receptor's roles and the physiological consequences of its downregulation. This class of compounds underscores the importance of understanding MCR's broader roles in the body and offers a valuable tool for investigating the effects of diminished MCR signaling.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Canrenone

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

Canrenone acts as a modulator of mineralocorticoid receptor activity, distinguished by its capacity to form stable complexes through hydrogen bonding and hydrophobic interactions. Its unique structural features facilitate selective binding, leading to altered receptor dynamics and downstream signaling pathways. The compound exhibits a notable affinity for specific conformational states, influencing the kinetics of receptor activation and subsequent cellular responses, thereby impacting various physiological processes.

Spironolactone

52-01-7sc-204294
50 mg
$109.00
3
(1)

Spironolactone functions as a mineralocorticoid receptor modulator, characterized by its ability to engage in specific molecular interactions that stabilize receptor conformations. Its unique steric configuration allows for selective binding, promoting distinct allosteric effects that influence receptor activity. The compound's kinetic profile reveals a nuanced interaction with the receptor, affecting the rate of activation and the subsequent signaling cascade, ultimately shaping cellular behavior in a targeted manner.

Eplerenone

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

Eplerenone acts as a mineralocorticoid receptor modulator, distinguished by its selective affinity for the receptor's ligand-binding domain. Its unique structural features facilitate specific hydrogen bonding and hydrophobic interactions, enhancing receptor selectivity. The compound exhibits a distinct kinetic behavior, influencing the rate of receptor activation and downstream signaling pathways. This modulation leads to a finely tuned response in cellular processes, reflecting its intricate molecular dynamics.

Guggulsterone

95975-55-6sc-203990
sc-203990A
10 mg
50 mg
$145.00
$615.00
1
(0)

Guggulsterone functions as a modulator of nuclear receptors, characterized by its ability to engage in specific hydrophobic interactions and conformational changes within the receptor structure. Its unique steric configuration allows for selective binding, influencing the receptor's transcriptional activity. The compound's dynamic molecular interactions contribute to its distinct regulatory effects on gene expression, showcasing its complex role in cellular signaling pathways.

RU 28318, potassium salt

76676-34-1sc-204250
sc-204250A
5 mg
10 mg
$510.00
$928.00
(0)

RU 28318, potassium salt, exhibits unique reactivity as a multi-component reaction (MCR) facilitator, promoting the formation of diverse molecular architectures. Its ionic nature enhances solubility and facilitates rapid intermolecular interactions, leading to efficient reaction kinetics. The compound's ability to stabilize transition states through electrostatic interactions allows for the formation of complex products, showcasing its versatility in synthetic pathways and enhancing reaction yields.

Spironolactone-d7 (Major)

52-01-7 (unlabeled)sc-220132
sc-220132A
1 mg
10 mg
$290.00
$2000.00
(0)

Spironolactone-d7 (Major) serves as a distinctive multi-component reaction (MCR) agent, characterized by its isotopic labeling that enables precise tracking of molecular transformations. Its unique steric and electronic properties influence reaction selectivity, promoting specific pathways while minimizing side reactions. The compound's ability to engage in hydrogen bonding and π-π stacking interactions enhances the stability of intermediates, resulting in improved reaction efficiency and product diversity.

7-Aminoindole

5192-04-1sc-257005
1 g
$555.00
(0)

7-Aminoindole is a versatile multi-component reaction (MCR) agent known for its unique ability to facilitate complex molecular formations through diverse reaction pathways. Its electron-rich indole structure allows for strong π-π interactions, enhancing the stability of transition states. Additionally, the presence of the amino group promotes nucleophilic reactivity, enabling efficient coupling with electrophiles. This compound's distinctive sterics and electronics contribute to its role in generating a wide array of products with varied functionalization.