Date published: 2025-10-16

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CYP19 Inhibitors

CYP19 inhibitors belong to a chemical class designed to modulate the activity of the enzyme aromatase, which is encoded by the CYP19A1 gene. Aromatase plays a critical role in the biosynthesis of estrogens by catalyzing the conversion of androgens into estrogens, a group of hormones that are essential for various physiological processes, including the regulation of the female reproductive system and bone metabolism. The inhibitors are developed based on a thorough understanding of the structural and functional aspects of aromatase and its involvement in estrogen biosynthesis. These inhibitors are meticulously designed molecules intended to interfere with the enzymatic function of aromatase, disrupting the conversion of androgens into estrogens. By specifically targeting aromatase, these compounds offer researchers a tool to explore the intricate pathways involved in estrogen production and its effects on various physiological systems. The study of CYP19 inhibitors provides insights into the broader field of endocrinology and hormone regulation, shedding light on the complex interactions between enzymes, hormones, and cellular pathways. Understanding the mechanisms behind CYP19 inhibitors can contribute to a deeper knowledge of hormone-related processes and implications for health and disease.

Items 1 to 10 of 18 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Apigenin

520-36-5sc-3529
sc-3529A
sc-3529B
sc-3529C
sc-3529D
sc-3529E
sc-3529F
5 mg
100 mg
1 g
5 g
25 g
100 g
1 kg
$32.00
$210.00
$720.00
$1128.00
$2302.00
$3066.00
$5106.00
22
(1)

Apigenin functions as a modulator of CYP19, exhibiting unique interactions that influence aromatase activity. Its structure allows for non-competitive binding, altering the enzyme's conformation and affecting estrogen biosynthesis. This modulation can impact various metabolic pathways, as apigenin interacts with key residues within the enzyme's active site. Additionally, its hydrophobic characteristics may enhance its affinity for lipid environments, potentially influencing enzyme dynamics and substrate availability.

Butein

487-52-5sc-202510
sc-202510A
5 mg
50 mg
$172.00
$306.00
8
(1)

Butein acts as a selective inhibitor of CYP19, engaging in specific molecular interactions that disrupt aromatase function. Its unique structural features facilitate competitive binding at the enzyme's active site, leading to altered kinetics in estrogen production. The presence of hydroxyl groups enhances its solubility in biological systems, promoting effective interaction with the enzyme. Furthermore, butein's ability to form hydrogen bonds may stabilize transient enzyme-substrate complexes, influencing metabolic regulation.

Exemestane-19-d3

sc-218454
1 mg
$583.00
(0)

Exemestane-19-d3 is a potent inhibitor of CYP19, characterized by its unique isotopic labeling that enhances its metabolic tracking. This compound exhibits distinct binding affinity due to its structural modifications, which allow for selective interaction with the aromatase enzyme. Its kinetic profile reveals a competitive inhibition mechanism, altering the enzyme's catalytic efficiency. Additionally, the presence of deuterium atoms may influence the stability of enzyme-ligand complexes, providing insights into metabolic pathways.

Liarozole hydrochloride

145858-50-0sc-204055
sc-204055A
10 mg
50 mg
$159.00
$500.00
1
(2)

Liarozole hydrochloride functions as a selective inhibitor of CYP19, showcasing unique interactions with the aromatase enzyme. Its structural features facilitate a specific binding mode, leading to altered enzyme conformation and reduced catalytic activity. The compound's reaction kinetics indicate a non-competitive inhibition pattern, which may affect substrate accessibility. Furthermore, its solubility characteristics enhance its interaction dynamics within biological systems, influencing metabolic pathways.

Aromatase Inhibitor I

331684-05-0sc-221269
1 mg
$238.00
(0)

Aromatase Inhibitor I exhibits a distinctive mechanism of action as a CYP19 inhibitor, characterized by its ability to form stable complexes with the aromatase enzyme. This compound engages in specific hydrogen bonding and hydrophobic interactions, which modulate the enzyme's active site. Its kinetic profile reveals a unique competitive inhibition, impacting substrate turnover rates. Additionally, its lipophilic nature influences membrane permeability, potentially altering cellular uptake and distribution.

Letrozole-d4

1133712-96-5sc-280910
1 mg
$330.00
(0)

Letrozole-d4 functions as a selective inhibitor of CYP19, showcasing unique molecular interactions that disrupt estrogen biosynthesis. Its deuterated structure enhances metabolic stability, allowing for prolonged enzyme engagement. The compound exhibits distinct binding affinity, leading to altered reaction kinetics that favor reduced aromatase activity. Furthermore, its physicochemical properties, including solubility and partitioning behavior, may influence its distribution in biological systems, affecting overall efficacy.

Aminoglutethimide

125-84-8sc-207280
sc-207280A
sc-207280B
sc-207280C
1 g
5 g
25 g
100 g
$41.00
$143.00
$530.00
$2020.00
2
(1)

Aminoglutethimide inhibits aromatase by blocking the conversion of cholesterol to pregnenolone, an early step in steroid biosynthesis, leading to decreased estrogen production.

Letrozole

112809-51-5sc-204791
sc-204791A
25 mg
50 mg
$85.00
$144.00
5
(1)

Letrozole is a nonsteroidal aromatase inhibitor that suppresses estrogen biosynthesis by competitively binding to the aromatase enzyme, leading to reduced estrogen levels.

Anastrozole

120511-73-1sc-217647
10 mg
$90.00
1
(1)

Anastrozole is a nonsteroidal aromatase inhibitor that binds reversibly to the heme group of the cytochrome P450 enzyme CYP19, blocking the conversion of androgens to estrogens.

Apigenin-d5

263711-74-6sc-207297
1 mg
$342.00
(0)

Apigenin-d5 acts as a modulator of CYP19, characterized by its unique isotopic labeling that alters its metabolic profile. This compound engages in specific interactions with the enzyme's active site, potentially influencing substrate recognition and binding dynamics. Its distinct isotopic composition may also affect the rate of metabolic turnover, leading to variations in aromatase inhibition. Additionally, its solubility characteristics can impact its bioavailability and interaction with cellular membranes.