Carboxylesterase (CES) Inhibitor

Carboxylesterase (CES) Inhibitors (25):

Cat. No.	Product Name	Effect	Purity

HY-N0235

Bakuchiol	Inhibitor	99.25%
Bakuchiol is a phytoestrogen that can be obtained from psoralen seeds. Bakuchiol has been proven to be a non-competitive inhibitor of multiple enzymes, including UDP-glucuronosyltransferase 2B7 (UGT2B7) and human carboxylesterase 2 (hCE2) , with IC₅₀s values of 40.9 μM and 7.28 μM, respectively. Bakuchiol exhibits significant research and application potential in areas such as anti-inflammatory, antibacterial, antitumor therapies, as well as drug metabolism regulation.

HY-N1377

Nevadensin	Inhibitor	99.93%
Nevadensin (Lysionotin), a natural flavonoid, is a selective human carboxylesterase 1 (hCE1) inhibitor with an IC₅₀ of 2.64 μM. Nevadensin is more selective for hCE1 than hCE2 (IC₅₀ of 132.8 μM). Nevadensin can induce apoptosis and DNA damage in cancer cells. Nevadensin has a variety of pharmacological effects such as anti-inflammatory, anti-tumour, anti-hypertensive, anti-tubercular, antitussive, antioxidant and anti-microbial activities.

HY-110390

GR148672X	Inhibitor	99.58%
GR148672X is an inhibitor of carboxylesterase 1 (CES1) and hepatic microsomal triglyceride hydrolase (TGH). GR148672X blocks the catalytic activity of CES1, impairs the functions of triglyceride and cholesteryl ester lipase, reduces triglyceride mobilization and secretion, and decreases apolipoprotein B-100 secretion in primary rat hepatocytes. Under low-glucose conditions, GR148672X inhibits the survival of colorectal cancer cells by reducing free fatty acid availability, inducing toxic triglyceride accumulation, ROS production, mitochondrial damage, ferroptosis and apoptosis. GR148672X can be used in studies related to colorectal cancer and atherosclerosis.

HY-124446

Dibromsalicil	Inhibitor
Dibromsalicil (Compound 31) is a carboxylesterase (CES) inhibitor with activity of 72.7 nM against hiCE (human intestinal carboxylesterase) and 53.5 nM against rCE (rabbit liver carboxylesterase). Dibromsalicil has almost no activity against hCE1 (human liver carboxylesterase) and cholinesterase.

HY-182632

LP-935001	Inhibitor
LP-935001 is a Notum carboxylesterase inhibitor with an IC₅₀ of 0.4 nM.LP-935001 prevents palmitoleate group removal from Wnt proteins, restores Wnt/β-catenin signaling.LP-935001 enhances cortical bone thickness in rodent models.LP-935001 can be used for the research of bone loss/nonvertebral fractures.

HY-142689

Carboxylesterase-IN-3	Inhibitor	98.27%
Carboxylesterase-IN-3 (compound 4y) is a potent inhibitor of Carboxylesterase Notum with an IC₅₀ less than or equal to 10 nM. Notum is a negative regulator of Wnt signaling acting through the hydrolysis of a palmitoleoylate ester, which is required for Wnt activity. Carboxylesterase-IN-3 has the potential for the research of cancer disease.

HY-W016618

Ethyl phenylglyoxylate	Inhibitor	99.51%
Ethyl phenylglyoxylate (Ethyl benzoylformate), the ethyl ester of phenylglyoxylic acid, is used as a synthetic reagent. Ethyl phenylglyoxylate is also a poor substrate but a potent inhibitor of chicken liver carboxylesterase. Additionally, Ethyl phenylglyoxylate exhibits photoreactivity, where its excited triplet carbonyl can initiate intermolecular hydrogen abstraction, radical coupling and cross-linking reactions.

HY-N10686

Tanshinone IIA anhydride	Inhibitor
Tanshinone IIA anhydride, present in root extracts of Salvia miltiorrhiza, acts as an inhibitor of human carboxylesterase (CE). Tanshinone IIA anhydride has a K_i value of 1.9 nM against hCE1 and a K_i value of 1.4 nM against hiCE. Tanshinone IIA anhydride forms a stable covalent complex with serine Ser221 at the active site of hCE1, blocking the catalytic cycle of carboxylesterase, and the activity of the inactivated enzyme cannot recover spontaneously. Tanshinone IIA anhydride is applicable in metabolism-related studies.

HY-142688

Carboxylesterase-IN-2	Inhibitor	99.91%
Carboxylesterase-IN-2 (compound 4u) is a potent inhibitor of Carboxylesterase Notum with an IC₅₀ less than or equal to 10 nM. Notum is a negative regulator of Wnt signaling acting through the hydrolysis of a palmitoleoylate ester, which is required for Wnt activity. Carboxylesterase-IN-2 has the potential for the research of cancer disease.

HY-118041

PMPMEase-IN-1	Inhibitor
PMPMEase-IN-1 is an allylated methylated protein methylesterase inhibitor with the property of inhibiting PMPMEase activity. PMPMEase-IN-1 may provide a useful strategy for cancer inhibition by enhancing its affinity for polyisoprenyl derivatives. PMPMEase-IN-1 showed the potential to have an effective concentration (EC50) value in causing degeneration of human neuroblastoma SH-SY5Y cells. Specific inhibition of PMPMEase-IN-1 may help regulate the metabolism of polyisoprenyl proteins and thus maintain normal cell survival. Further development and application of PMPMEase-IN-1 may open up new avenues for inhibiting degenerative diseases and cancer.

HY-147331

Oseltamivir acid methyl ester	Inhibitor
Oseltamivir acid methyl ester is a precursor form of the neuraminidase inhibitor and antiviral oseltamivir acid. Oseltamivir acid methyl ester is converted to oseltamivir acid by carboxylesterase 1 (CES1).

HY-147915

Benz-AP	Inhibitor
Benz-AP is a potent photosensitizer. Benz-AP produces singlet oxygen, with a negative correlation with hCES2 (Human carboxylesterase 2) activity. Benz-AP displays a higher photocytotoxicity potency in cancer cells under low hCES2 environments. Upon TPE (Two-photon excitation), Benz-AP produces ROS and kills cancer cells and tumor spheroids.

HY-169068

Antifeedant agent 1	Inhibitor
Antifeedant agent 1 is a carboxylesterase inhibitor that exerts insecticidal activity by inhibiting insect feeding, with an EC₅₀ value of 0.038 mg/mL. Antifeedant agent 1 can be used in research related to pest control.

HY-176840

Carboxylesterase-IN-4	Inhibitor
Carboxylesterase-IN-4 (compound 3e) is a potent carboxylesterase inhibitor with an IC₅₀ of 1.58 nM. Carboxylesterase-IN-4 can be used in the study of cholesterolemia.

HY-176841

Carboxylesterase-IN-5	Inhibitor
Carboxylesterase-IN-5 (Compound 2e) is an irreversible and competitive Carboxylesterase (CES) inhibitor with an IC₅₀ of 21.7  nM for porcine liver CES. Carboxylesterase-IN-5 can be used for hypocholesterolemia research.

HY-N0235R

Bakuchiol (Standard)	Inhibitor
Bakuchiol (Standard) is the analytical standard of Bakuchiol. This product is intended for research and analytical applications. Bakuchiol is a phytoestrogen that can be obtained from psoralen seeds. Bakuchiol has been proven to be a non-competitive inhibitor of multiple enzymes, including UDP-glucuronosyltransferase 2B7 (UGT2B7) and human carboxylesterase 2 (hCE2) , with IC₅₀s values of 40.9 μM and 7.28 μM, respectively. Bakuchiol exhibits significant research and application potential in areas such as anti-inflammatory, antibacterial, antitumor therapies, as well as drug metabolism regulation.

HY-N1377R

Nevadensin (Standard)	Inhibitor
Nevadensin (Standard) (Lysionotin (Standard)) is the analytical standard of Nevadensin (HY-N1377). This product is intended for research and analytical applications. Nevadensin, a natural flavonoid, is a selective human carboxylesterase 1 (hCE1) inhibitor with an IC₅₀ of 2.64 μM. Nevadensin is more selective for hCE1 than hCE2 (IC₅₀ of 132.8 μM). Nevadensin can induce apoptosis and DNA damage in cancer cells. Nevadensin has a variety of pharmacological effects such as anti-inflammatory, anti-tumour, anti-hypertensive, anti-tubercular, antitussive, antioxidant and anti-microbial activities.

HY-147331A

Oseltamivir acid methyl ester hydrochloride	Inhibitor
Oseltamivir acid methyl ester hydrochloride is a precursor form of the neuraminidase inhibitor and antiviral oseltamivir acid. Oseltamivir acid methyl ester hydrochloride is converted to oseltamivir acid by carboxylesterase 1 (CES1).

HY-162502

WZU-13	Inhibitor
WZU-13 is an inhibitor for Carboxylesterase (CES). WZU-13 inhibits 77% CES activity at a dose of 100 μM.

HY-129748

SQ-24798	Inhibitor
SQ-24,798 is a compound that inhibits carboxypeptidase B with high affinity and specificity. Its inhibitory effect may be achieved through the binding of the sulfhydryl group to the zinc ion of the enzyme and specific side chains.

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