Date published: 2026-2-7

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KMO Inhibitors

Kynurenine 3-monooxygenase (KMO) inhibitors belong to a distinct class of chemical compounds that have garnered significant attention in the field of biomedical research due to their potential role in modulating the kynurenine pathway. The kynurenine pathway is a critical metabolic pathway responsible for the breakdown of the amino acid tryptophan into various bioactive molecules, including kynurenic acid and quinolinic acid. KMO is an enzyme situated at a pivotal juncture in this pathway, catalyzing the conversion of kynurenine to 3-hydroxykynurenine. KMO inhibitors, as the name suggests, specifically target and inhibit the activity of this enzyme, thereby affecting the balance of downstream metabolites within the kynurenine pathway. KMO inhibitors exhibit a diverse range of chemical structures and mechanisms of action, with various research efforts dedicated to their development. Their primary function is to regulate the levels of kynurenic acid and quinolinic acid, both of which are associated with neuroactive and immunomodulatory properties. By modulating the activity of KMO, these inhibitors can potentially influence the delicate balance between neuroprotective and neurotoxic metabolites in the brain and peripheral tissues. This has implications for understanding the role of KMO inhibitors in various physiological processes, including inflammation, immune response, and neurological disorders.

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ro 61-8048

199666-03-0sc-204240
sc-204240A
10 mg
50 mg
$166.00
$515.00
1
(0)

Ro 61-8048 acts as a potent inhibitor of kynurenine monooxygenase (KMO), exhibiting a unique binding mechanism that disrupts the enzyme's catalytic cycle. Its structural features allow for specific interactions with the enzyme's active site, promoting conformational changes that hinder substrate access. The compound's reaction kinetics reveal a rapid association phase, followed by a slower dissociation, indicating a strong affinity. Additionally, its lipophilicity enhances membrane permeability, influencing its bioavailability in various environments.

(±)-3-(3-Nitrobenzoyl)alanine hydrochloride

sc-220850
5 mg
$300.00
(0)

(±)-3-(3-Nitrobenzoyl)alanine hydrochloride serves as a selective inhibitor of kynurenine monooxygenase (KMO), characterized by its ability to form stable interactions with the enzyme's active site. The presence of the nitro group enhances electron-withdrawing properties, facilitating unique hydrogen bonding and π-π stacking interactions. This compound exhibits distinct reaction kinetics, with a notable preference for specific conformational states of KMO, ultimately modulating its enzymatic activity. Its solubility profile suggests favorable interactions in polar environments, impacting its distribution and reactivity.

Bismuth(III) subsalicylate

14882-18-9sc-227416
100 g
$30.00
(0)

Non-specific KMO interaction, alters enzyme conformation.

Coenzyme Q10

303-98-0sc-205262
sc-205262A
1 g
5 g
$71.00
$184.00
1
(1)

Competitively inhibits KMO by occupying the active site.

GW 5074

220904-83-6sc-200639
sc-200639A
5 mg
25 mg
$106.00
$417.00
10
(1)

Inhibits KMO by binding to the ATP-binding site.

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
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Modulates KMO activity through indirect multi-target effects.

Phenethyl-hydrazine

51-71-8sc-331686
500 mg
$396.00
(0)

Non-selective monoamine oxidase inhibitor that also inhibits KMO.