Date published: 2025-10-18

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Cox-2 Inhibitors

COX-2 inhibitors, short for Cyclooxygenase-2 inhibitors, constitute a significant class of compounds known for their specific interaction with the cyclooxygenase-2 enzyme. Cyclooxygenases are enzymes responsible for the synthesis of prostaglandins, which play pivotal roles in various physiological processes. COX-2, in particular, is an isoform of cyclooxygenase that is induced in response to inflammation and cellular stress. It is crucial for the production of prostaglandins involved in mediating pain, fever, and inflammation. COX-2 inhibitors, as the name suggests, are compounds designed to selectively target and inhibit the activity of the COX-2 enzyme, thereby modulating the synthesis of prostaglandins associated with the inflammatory response.These inhibitors typically possess a chemical structure that allows them to bind specifically to the active site of the COX-2 enzyme, disrupting its catalytic function. This selectivity is a key feature, as it distinguishes them from non-selective NSAIDs (Nonsteroidal Anti-Inflammatory Drugs) that inhibit both COX-1 and COX-2 enzymes. COX-2 inhibitors are characterized by their ability to reduce inflammation and pain without affecting the protective functions of COX-1, such as maintaining the integrity of the gastric mucosa and regulating platelet aggregation. This selectivity is a critical factor in minimizing adverse effects like gastric ulcers and bleeding tendencies associated with non-selective NSAIDs.

Items 11 to 20 of 107 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ebselen

60940-34-3sc-200740B
sc-200740
sc-200740A
1 mg
25 mg
100 mg
$32.00
$133.00
$449.00
5
(1)

Ebselen functions as a COX-2 inhibitor by engaging in reversible interactions with the enzyme's active site, primarily through the formation of disulfide bonds with cysteine residues. This mechanism alters the enzyme's conformation, impacting its catalytic activity. The compound's unique redox properties enable it to modulate oxidative stress pathways, while its lipophilic nature promotes effective membrane permeability, influencing its distribution and reactivity in cellular environments.

Indomethacin

53-86-1sc-200503
sc-200503A
1 g
5 g
$28.00
$37.00
18
(1)

Indomethacin acts as a COX-2 inhibitor by selectively binding to the enzyme's active site, where it forms hydrogen bonds and hydrophobic interactions with key amino acid residues. This binding stabilizes a conformation that reduces enzyme activity, thereby modulating inflammatory pathways. Its unique structural features, including a bulky aromatic ring, enhance its affinity for the enzyme, while its acidic properties facilitate interactions with biological macromolecules, influencing its reactivity and solubility.

Sedanolide

6415-59-4sc-205972
100 mg
$151.00
(1)

Sedanolide exhibits its role as a COX-2 inhibitor through a unique mechanism involving the formation of a stable complex with the enzyme. Its distinct cyclic structure allows for specific π-π stacking interactions with aromatic residues, enhancing binding affinity. Additionally, the presence of polar functional groups facilitates dipole-dipole interactions, influencing the enzyme's conformation and activity. This intricate interplay of molecular forces contributes to its selective inhibition profile.

Xanthorrhizol

30199-26-9sc-202855
1 mg
$194.00
1
(1)

Xanthorrhizol acts as a COX-2 inhibitor by engaging in specific hydrogen bonding and hydrophobic interactions with the enzyme's active site. Its unique structural features, including a flexible carbon skeleton, allow for conformational adaptability, enhancing its binding efficiency. The compound's ability to modulate enzyme dynamics through allosteric effects further distinguishes its inhibitory action, promoting a nuanced regulation of inflammatory pathways. This multifaceted interaction profile underscores its selective engagement with COX-2.

Zaltoprofen

74711-43-6sc-213173
sc-213173A
10 mg
100 mg
$170.00
$370.00
1
(1)

Zaltoprofen functions as a COX-2 inhibitor through its distinctive ability to form stable complexes with the enzyme, primarily via π-π stacking and van der Waals forces. Its unique molecular architecture, characterized by a rigid core and functional groups, facilitates precise orientation within the active site. This specificity enhances its kinetic profile, allowing for rapid binding and dissociation, which fine-tunes the modulation of inflammatory mediators. The compound's selective affinity underscores its role in influencing enzymatic activity.

NS-398

123653-11-2sc-200604
sc-200604A
5 mg
25 mg
$84.00
$332.00
9
(1)

NS-398 acts as a selective COX-2 inhibitor, distinguished by its unique binding interactions that involve hydrogen bonding and hydrophobic contacts. Its structural features promote a favorable fit within the enzyme's active site, enhancing selectivity over COX-1. The compound exhibits a notable influence on the enzyme's conformational dynamics, which alters the reaction kinetics and modulates the production of prostaglandins. This specificity is crucial for its role in regulating inflammatory pathways.

Carprofen

53716-49-7sc-205621
sc-205621A
1 g
5 g
$80.00
$361.00
(1)

Carprofen functions as a selective COX-2 inhibitor, characterized by its ability to stabilize the enzyme's active site through specific hydrophobic interactions and steric hindrance. This selectivity is further enhanced by its unique molecular conformation, which restricts access to the COX-1 pathway. The compound's kinetic profile reveals a slower dissociation rate from COX-2, allowing for prolonged modulation of inflammatory mediators while minimizing off-target effects.

Nabumetone

42924-53-8sc-204813
sc-204813A
5 g
25 g
$196.00
$587.00
3
(1)

Nabumetone is a prodrug that converts to an active COX-2 inhibitor in the body. It reduces inflammation and pain by blocking COX-2 activity.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$36.00
$68.00
$107.00
$214.00
$234.00
$862.00
$1968.00
47
(1)

Curcumin exhibits selective inhibition of COX-2 through its unique ability to form hydrogen bonds with key amino acid residues in the enzyme's active site. This interaction alters the enzyme's conformation, effectively blocking substrate access. Additionally, curcumin's polyphenolic structure enhances its reactivity, allowing it to modulate signaling pathways involved in inflammation. Its dynamic molecular behavior contributes to a favorable kinetic profile, promoting sustained inhibition of COX-2 activity.

Robenacoxib

220991-32-2sc-391707
100 mg
$265.00
(0)

Robenacoxib selectively targets COX-2 by stabilizing a unique binding conformation that disrupts the enzyme's catalytic activity. Its structural features facilitate specific hydrophobic interactions with the enzyme's active site, enhancing binding affinity. The compound's kinetic properties allow for rapid association and prolonged dissociation, optimizing its inhibitory effects. Furthermore, Robenacoxib's distinct molecular architecture contributes to its ability to modulate downstream inflammatory pathways effectively.