Carboxylesterase (CES) Inhibitor

Carboxylesterase (CES) Isoform Comparison

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-N0921

Dihydromethysticin	Inhibitor	99.94%
Dihydromethysticin is an orally active natural active ingredient. Dihydromethysticin can be extracted from Piper methysticum. Dihydromethysticin inhibits carboxylesterase 1 (K_i = 68.2 μM) and CYP2A5. Dihydromethysticin upregulates NLRC3 and induces Apoptosis. Dihydromethysticin exhibits anticancer activity against colorectal cancer and lung adenoma.

HY-N1951

Miltirone	Inhibitor	99.74%
Miltirone is an orally active natural compound found in the root of Salvia miltiorrhiza. Miltirone is a central benzodiazepine receptor partial agonist, with an IC₅₀ of 0.3 μM. Miltirone induces ROS - and-p53 dependent apoptosis. Miltirone inhibits carboxylesterase 2 (CES2; K_i = 0.04 μM) and SARS-CoV main protease (Mpro).

HY-173267

CES2A-IN-2	Inhibitor
CES2A-IN-2 (compound 14n) is an orally active, highly specific, irreversible and covalent CES2A inhibitor with an IC₅₀ of 0.04 nM for human CES2A. CES2A-IN-2 covalently binds to CES2A by specifically targeting the catalytic serine residue (Ser-228). CES2A-IN-2 can significantly ameliorate Irinotecan-triggered gut toxicity (ITGT) without diminishing the anti-tumor effects of Irinotecan (HY-16562) in tumor-bearing mice.

HY-176465

CES2A-IN-3	Inhibitor
CES2A-IN-3 (Compound 9d) is a potent serine-targeting covalent human carboxylesterase 2A (hCES2A) inhibitor with an IC₅₀ value of 0.12 nM. CES2A-IN-3 is promising for research of diarrhea and ulcerative colitis.

HY-110148

WWL113	Inhibitor	99.72%
WWL113 is a selective and orally active Ces3 and Ces1f inhibitor, with IC₅₀ values of 120 nM and 100 nM for Ces3 and Ces1f, respectively. WWL113 appears to show excellent selectivity for the 60-kDa serine hydrolase (or hydrolases).

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-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-155181

CES2-IN-1	Inhibitor	98.18%
CES2-IN-1 (Compound 24) is a reversible and selective CES2 inhibitor (IC₅₀: 6.72 μM for human CES2). CES2-IN-1 reduces the level of CES2 in living cells. CES2-IN-1 is effective against Irinotecan (HY-16562)-induced delayed diarrhea and DSS-induced ulcerative colitis.

HY-N10686

Tanshinone IIA anhydride	Inhibitor
Tanshinone IIA anhydride is a potent and irreversible human carboxylesterase (CE) inhibitor with K_i values of 1.9 nM and 1.4 nM for human CE1 and the human intestinal CE (hiCE), respectively.

HY-W016618

Ethyl phenylglyoxylate	Inhibitor	99.31%
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-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-142688

Carboxylesterase-IN-2	Inhibitor	99.83%
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-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-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.

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