Date published: 2025-12-19

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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 51 to 60 of 107 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

6-Methoxy-2-Naphthylacetic acid

23981-47-7sc-200602
sc-200602A
10 mg
50 mg
$84.00
$332.00
4
(0)

6-Methoxy-2-Naphthylacetic acid demonstrates distinctive characteristics as a COX-2 inhibitor, primarily through its ability to engage in hydrogen bonding with key amino acid residues in the enzyme's active site. The presence of the methoxy group enhances electron density, facilitating interactions that stabilize the enzyme-inhibitor complex. Additionally, its naphthalene structure contributes to a unique conformational flexibility, allowing for dynamic adjustments during binding, which may influence its inhibitory potency and selectivity.

Naproxen Sodium Salt

26159-34-2sc-212361
25 g
$181.00
1
(0)

Naproxen Sodium Salt exhibits unique properties as a COX-2 inhibitor, characterized by its ability to form strong pi-stacking interactions with aromatic residues in the enzyme's active site. The sodium salt form enhances solubility, promoting rapid diffusion to the target site. Its structural rigidity, derived from the naphthalene moiety, allows for precise orientation during binding, optimizing the fit within the active site and potentially influencing the kinetics of inhibition.

Piroxicam

36322-90-4sc-200576
sc-200576A
1 g
5 g
$107.00
$369.00
2
(0)

Piroxicam functions as a selective COX-2 inhibitor, distinguished by its unique ability to engage in hydrogen bonding with key amino acid residues in the enzyme's active site. Its extended heterocyclic structure facilitates conformational flexibility, allowing for dynamic interactions that enhance binding affinity. Additionally, the presence of a sulfonamide group contributes to its solubility profile, promoting effective molecular interactions and influencing the overall reaction kinetics within the enzymatic pathway.

Etodolac

41340-25-4sc-204747
sc-204747A
100 mg
250 mg
$87.00
$128.00
1
(1)

Etodolac acts as a selective COX-2 inhibitor, characterized by its unique ability to form hydrophobic interactions with the enzyme's active site. Its aromatic ring system enhances π-π stacking interactions, which stabilize the binding conformation. The presence of a carboxylic acid moiety allows for ionic interactions with charged residues, influencing the enzyme's catalytic efficiency. This multifaceted interaction profile contributes to its specificity and modulation of enzymatic activity.

Nimesulide

51803-78-2sc-200623
5 g
$71.00
1
(0)

Nimesulide is a COX-2 inhibitor that reduces pain and inflammation by inhibiting the enzyme and subsequently decreasing prostaglandin levels.

Ethyl 3,4-Dihydroxycinnamate

66648-50-8sc-205930
sc-205930A
25 mg
250 mg
$51.00
$360.00
(0)

Ethyl 3,4-Dihydroxycinnamate exhibits selective inhibition of COX-2 through its ability to engage in hydrogen bonding with key amino acid residues in the enzyme's active site. The presence of hydroxyl groups facilitates strong polar interactions, enhancing binding affinity. Additionally, its conjugated double bond system allows for resonance stabilization, influencing the kinetics of enzyme-substrate interactions. This unique interaction profile underscores its specificity in modulating COX-2 activity.

Loxoprofen

68767-14-6sc-221861
5 mg
$300.00
(0)

Loxoprofen demonstrates a unique mechanism of action as a selective COX-2 inhibitor, characterized by its ability to form hydrophobic interactions with the enzyme's active site. The presence of a phenyl group enhances its lipophilicity, promoting effective binding. Furthermore, the compound's structural conformation allows for steric hindrance, which selectively obstructs COX-2 while sparing COX-1. This specificity is crucial for its distinct biochemical behavior in modulating inflammatory pathways.

Lornoxicam

70374-39-9sc-207833
sc-207833A
10 mg
100 mg
$80.00
$133.00
(1)

Lornoxicam exhibits a distinctive profile as a selective COX-2 inhibitor, primarily through its ability to engage in specific hydrogen bonding with the enzyme's active site. The presence of a thiazine ring contributes to its unique electronic distribution, facilitating targeted interactions. Additionally, its planar structure allows for optimal π-π stacking with aromatic residues, enhancing selectivity for COX-2 over COX-1 and influencing its kinetic behavior in enzymatic pathways.

Meloxicam

71125-38-7sc-200626
sc-200626A
sc-200626B
20 mg
100 mg
500 mg
$35.00
$92.00
$153.00
3
(1)

Meloxicam inhibits COX-2, reducing pain and inflammation by blocking prostaglandin synthesis. It's commonly prescribed for osteoarthritis and other conditions.

Ketorolac

74103-06-3sc-279250
500 mg
$500.00
(0)

Ketorolac functions as a selective COX-2 inhibitor, characterized by its unique ability to form stable interactions with the enzyme's active site through hydrophobic and electrostatic forces. The presence of a carboxylic acid group enhances its binding affinity, while its rigid structure promotes conformational stability. This rigidity influences the reaction kinetics, allowing for a more efficient blockade of the COX-2 pathway, thereby distinguishing it from non-selective inhibitors.