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DPPH radical-scavenging activity

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Acetyl-CoA Carboxylase (1) Adenosine Receptor (1) Akt (1) Aldose Reductase (1) AMPK (1) Amyloid-β (1) Apoptosis (5) Autophagy (1) Bacterial (4) Bcl-2 Family (2) Biochemical Assay Reagents (3) Cannabinoid Receptor (1) Caspase (3) CDK (1) Cholinesterase (ChE) (5) COX (3) Cytochrome P450 (1) Drug Derivative (3) Drug Intermediate (3) Drug Isomer (1) EGFR (2) Elastase (1) Endogenous Metabolite (3) Environmental Pollutants (1) ERK (1) Fatty Acid Synthase (FASN) (1) Fluorescent Dye (1) Fungal (4) FXR (1) Glycosidase (1) HIV (1) HMG-CoA Reductase (HMGCR) (1) IFNAR (3) Influenza Virus (1) Interleukin Related (1) Isotope-Labeled Compounds (2) Keap1-Nrf2 (1) Lipoxygenase (1) MDM-2/p53 (1) Mitochondrial Metabolism (1) MMP (2) Monoamine Oxidase (2) NF-κB (1) NO Synthase (4) NOD-like Receptor (NLR) (1) Nucleoside Antimetabolite/Analog (1) p38 MAPK (3) Parasite (1) PARP (1) PI3K (1) PPAR (1) Raf (1) Reactive Oxygen Species (ROS) (28) Reference Standards (6) SOD (2) TNF Receptor (2) TRP Channel (1) Tyrosinase (6) Urease (1) Xanthine Oxidase (1)
By Research Areas:	Cancer (23) Cardiovascular Disease (2) Infection (12) Inflammation/Immunology (39) Metabolic Disease (17) Neurological Disease (15)
Click Chemistry:	Azide (1) Alkynes (1)

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Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-112053

DPPH Maximum Cited Publications 46 Publications Verification 2,2-Diphenyl-1-picrylhydrazyl	Reactive Oxygen Species (ROS)	Metabolic Disease
DPPH (2,2-Diphenyl-1-picrylhydrazyl) is a stable free radical that can be used to measure the radical scavenging activity of antioxidants. The odd electron of nitrogen atom in DPPH is reduced by receiving a hydrogen atom from antioxidants to the corresponding hydrazine. DPPH method may be utilized in aqueous and nonpolar organic solvents and can be used to examine both hydrophilic and lipophilic antioxidants .

HY-P1934A

Cyclo(L-Phe-L-Pro)	Fungal Bacterial IFNAR Reactive Oxygen Species (ROS)	Infection Inflammation/Immunology Cancer
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

HY-N1417

Sesamol 2 Publications Verification	Apoptosis	Cancer
Sesamol is a constituent of sesame oil. Sesamol shows a free radical scavenging activity. Sesamol shows an IC₅₀=5.95±0.56 μg/mL in the DPPH assay. Anti-oxidant activities . Anticancer activities .

HY-N0521

(-)-Gallocatechin	Drug Isomer Reactive Oxygen Species (ROS)	Metabolic Disease Inflammation/Immunology Cancer
(-)-Gallocatechin, an epimer of (-)-Epigallocatechin (EGC) (HY-N0225), is contained in various tea products. (-)-Gallocatechin demonstrates antioxidant activity in vitro, including inhibition of LDL oxidation and *DPPH* radical scavenging .

HY-D0168

Orcinol 3,5-Dihydroxytoluene	Fluorescent Dye Tyrosinase p38 MAPK ERK	Metabolic Disease Cancer
Orcinol (3,5-Dihydroxytoluene) is an organic compound used in biological dyeing and proteomics research. Orcinol inhibits melanogenesis in B16F10 cells by upregulating the MAPK/ERK signaling pathway, and suppresses the expression of MITF, tyrosinase (TYR), TRP1, and DCT. Orcinol exhibits certain DPPH radical scavenging activity. In addition, Orcinol can alter nitrogen balance in animals. Orcinol holds promise for research in cancer and metabolic diseases .

HY-N7005

Clitorin	EGFR Cytochrome P450 Fatty Acid Synthase (FASN) Acetyl-CoA Carboxylase HMG-CoA Reductase (HMGCR) PPAR AMPK	Metabolic Disease Inflammation/Immunology Cancer
Clitorin is an orally active flavonoid compound that can be isolated from Carica papaya. Clitorin is an inhibitor of EGFR (IC₅₀: 89.58 nM) and aromatase (IC₅₀: 77.41 nM). Clitorin has antioxidant and anti-tumor activities. In the DPPH and ABTS radical scavenging assays, Clitorin has IC₅₀ values of 91.96 ppm and 250.45 ppm, respectively. In addition, Clitorin can regulate lipogenesis and fatty acid oxidation and can be used in the research of non-alcoholic fatty liver disease .

HY-W019885A

Sodium tripolyphosphate (STPP), 98% Sodium triphosphate pentabasic, 98%	Environmental Pollutants Biochemical Assay Reagents	Others
Sodium tripolyphosphate (STPP), 98% is an inorganic, non-toxic polyphosphate crosslinker, inducer and enhancer. Sodium tripolyphosphate (STPP), 98% induces the formation of unique needle-like microcrystals in sodium alginate-chitosan composite films. Sodium tripolyphosphate (STPP), 98% enhances the *DPPH* free radical scavenging activity of sodium alginate-chitosan composite films .

HY-127170

3-Hydroxycoumarin	Lipoxygenase Tyrosinase	Metabolic Disease Inflammation/Immunology
3-Hydroxycoumarin is an inhibitor of tyrosinase and lipoxygenase with an IC₅₀ for recombinant human tyrosinase (rHT) of 26 μM, and a K_i of 3.39 μM; its IC₅₀ for LOX is 9.5 μM. 3-Hydroxycoumarin has DPPH free radical scavenging activity (IC₅₀ = 31.2 μM). 3-Hydroxycoumarin has photoprotective effects on sea urchin zygotes and embryos .

HY-N1750

3-(2,4-Dihydroxyphenyl)propanoic acid	Tyrosinase	Metabolic Disease
3-(2,4-Dihydroxyphenyl) propanoic acid (DPPacid) is a competitive Tyrosinase inhibitor. It exhibits an IC₅₀ value of 3.02 μM against mushroom tyrosinase with L-tyrosine as the substrate, an IC₅₀ value of 62 μM with DL-DOPA as the substrate, and a K_i value of 11.5 μM. 3-(2,4-Dihydroxyphenyl) propanoic acid shows no DPPH radical scavenging activity. It can be used in studies related to ultraviolet B (UVB)-induced hyperpigmentation .

HY-119979

Cardanol monoene Cardanol C15:1	Apoptosis Reactive Oxygen Species (ROS) Mitochondrial Metabolism MMP CDK Caspase Bcl-2 Family PARP MDM-2/p53 Cholinesterase (ChE)	Infection Inflammation/Immunology Cancer
Cardanol monoene (Cardanol C15:1) is a phenolic compound which can be found in cashew nut shell liquid. Cardanol monoene can inhibit cancer cells proliferation, migration, cause S phase arrest, induce apoptosis, ROS production and mitochondrial depolarization. Cardanol monoene downregulates MMP-2, MMP-9, cyclinA1 expression, regulates CDK2, p53, Bax, cytochrome c, cleaved caspase-3, cleaved PARP, Apaf-1 expression and Bax/Bcl-2 ratio. Cardanol monoene shows weak DPPH radical scavenging activity and AChE inhibition activity. Cardanol monoene is lethal to Artemia salina nauplii. Cardanol monoene. Cardanol monoene can be used for the research of cancer, infection and inflamation .

HY-N7931

Regaloside A 2 Publications Verification	NO Synthase NF-κB	Inflammation/Immunology
Regaloside A, a phenylpropanoid, shows significant DPPH radical scavenging activity of 58.0% at 160 ppm. Regaloside A has anti-inflammatory activity .

HY-W001542

5-Hydroxyoxindole	Reactive Oxygen Species (ROS)	Neurological Disease Metabolic Disease Cancer
5-Hydroxyoxindole is a structural analog of uric acid for its antioxidant. 5-Hydroxyoxindole has *DPPH* radical scavenging activities and lipid peroxidation-inhibitory activities. 5-Hydroxyoxindole is a product of partial metabolism of tryptophan involving conversion in the gut lumen of tryptophan to indole through the action of bacterial tryptophanase and tryptophan synthase. 5-Hydroxyoxindole is one of the main molecules responsible for the neurological symptoms of hepatic encephalopathy in rats. 5-Hydroxyoxindole can be used for the research of oxidative stress-mediated disorders .

HY-112053R

DPPH (Standard) 2,2-Diphenyl-1-picrylhydrazyl (Standard)	Reactive Oxygen Species (ROS) Reference Standards	Metabolic Disease
DPPH (Standard) is the analytical standard of DPPH. This product is intended for research and analytical applications. DPPH (2,2-Diphenyl-1-picrylhydrazyl) is a stable free radical that can be used to measure the radical scavenging activity of antioxidants. The odd electron of nitrogen atom in DPPH is reduced by receiving a hydrogen atom from antioxidants to the corresponding hydrazine. DPPH method may be utilized in aqueous and nonpolar organic solvents and can be used to examine both hydrophilic and lipophilic antioxidants .

HY-N11173A

trans-Melilotoside	Parasite	Infection
trans-Melilotoside is a coumarin precursor and that can be isolated from Melilotus neapolitan. trans-Melilotoside exhibits antiparasitic and DPPH radical-scavenging activity. trans-Melilotoside can be used for the research of human african trypanosomiasis, chagas’ disease, malaria ^[1] ^[3].

HY-N3349

Lyoniresinol	Others	Others
Lyoniresinol is a lignan isolated from the Tarenna attenuata with antioxidant activities. Lyoniresinol has radical scavenging activities against DPPH with an IC₅₀ of 82.4 μM .

HY-N3985

Gyrophoric acid	Others	Cancer
Gyrophoric acid is a good ultraviolet filter in lichen populations. Gyrophoric acid shows **DPPH radical scavenging** activity with an IC₅₀ value of 105.75 μg/ml .

HY-N4111

Wushanicaritin 1 Publications Verification	Others	Inflammation/Immunology Cancer
Wushanicaritin exhibits significant antioxidant activity (IC₅₀=35.3 μM) in DPPH radical scavenging activity tests. Antitumor effects and anti-inflammatory property .

HY-N8194

Syringetin-3-O-glucoside Syringetin 3-O-β-D-glucoside	Others	Neurological Disease
Syringetin-3-O-glucosid (Syringetin 3-O-β-D-glucoside), a flavonol glycoside, shows relatively weak DPPH and ABTS radical scavenging activity .

HY-N3141

Olivil (-)-Olivile; Vladinol C	Others	Others
Olivil ((-)-Olivile) is a lignan that has weak DPPH radical-scavenging activity (EC₅₀: 176 μM) .

HY-W013677

4-Fluorobenzoic acid	Drug Intermediate	Infection
4-Fluorobenzoic acid is a drug intermediate that can be used to synthesize a series of hydrazone derivatives with antituberculosis activity and Schiff bases with DPPH radical scavenging activity .

HY-N9447

Norbergenin 1 Publications Verification	Reactive Oxygen Species (ROS)	Neurological Disease
Norbergenin, the O-demethyl derivative of bergenin, shows moderate antioxidant activity (IC₅₀ 13 μM in DPPH radical scavenging; 32 μM in superoxide anion scavenging) .

HY-131803

3'-Azido-3'-deoxyguanosine	Nucleoside Antimetabolite/Analog	Inflammation/Immunology
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model . 3'-Azido-3'-deoxyguanosine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-W018643A

(E)-Ferulic acid methyl ester Methyl (E)-ferulate	COX	Others
(E)-Ferulic acid methyl ester (Methyl (E)-ferulate) exhibits strong DPPH and ABTS ⁺ radical scavenging activities .

HY-111523

Isomahanine	p38 MAPK Apoptosis Autophagy Caspase	Metabolic Disease
Isomahanine, carbazole alkaloid, is an antioxidative agent. Isomahanine has DPPH radical scavenging activity with an IC₅₀ value of 24 μM .

HY-W002773

Methyl isovanillate	Endogenous Metabolite	Others
Methyl isovanillate is a secondary metabolite isolated from Vitex agnus-castus. Methyl isovanillate does not exhibit significant activity* in the DPPH free radical scavenging experiment* .

HY-N3421

Koaburaside	Interleukin Related TNF Receptor Influenza Virus	Infection Inflammation/Immunology Cancer
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits histamine release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-W001542R

5-Hydroxyoxindole (Standard)	Reference Standards Reactive Oxygen Species (ROS)	Neurological Disease Metabolic Disease Cancer
5-Hydroxyoxindole is a structural analog of uric acid for its antioxidant. 5-Hydroxyoxindole has DPPH radical scavenging activities and lipid peroxidation-inhibitory activities. 5-Hydroxyoxindole is a product of partial metabolism of tryptophan involving conversion in the gut lumen of tryptophan to indole through the action of bacterial tryptophanase and tryptophan synthase. 5-Hydroxyoxindole is one of the main molecules responsible for the neurological symptoms of hepatic encephalopathy in rats. 5-Hydroxyoxindole can be used for the research of oxidative stress-mediated disorders .

HY-N12941

Macarangin	Reactive Oxygen Species (ROS) NOD-like Receptor (NLR)	Inflammation/Immunology
Macarangin can be isolated from propolis. Macarangin has DPPH radical-scavenging activity and shows anti-inflammatory activities via inhibiting the activation process of NLRP3 inflammasome .

HY-N10742

Maritimetin	Reactive Oxygen Species (ROS)	Cardiovascular Disease
Maritimein is an aurone that can be isolated from Coreopsis tinctoria. Maritimein shows strong diphenyl(2,4,6-trinitrophenyl)iminoazanium (DPPH) radical-scavenging activity with an IC₅₀ value of 4.12 μM. Maritimein can be used for the research of cardiovascular disease .

HY-121153

Altenusin Alutenusin	FXR	Others
Altenusin shows markedly DPPH radical scavenging activities.

HY-N16504

Robipseudin A	Biochemical Assay Reagents Reactive Oxygen Species (ROS)	Metabolic Disease
Robipseudin A is a geranyl flavonol. Robipseudin A can be isolated from the leaves of Robinia pseudoacacia. Robipseudin A exhibits antioxidant activity in DPPH radical scavenging assay .

HY-N16406

Auroglaucin	SOD	Metabolic Disease
Auroglaucin is a potent antioxidant. Auroglaucin shows 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging capacity and superoxide radical scavenging activity with EC₅₀ value of 74.6, 12.3 µM, respectively. Auroglaucin shows low activity for inhibiting the autoxidation of docosahexaenoic acid (DHA) .

HY-N4111R

Wushanicaritin (Standard)	Reference Standards Others	Inflammation/Immunology Cancer
Wushanicaritin exhibits significant antioxidant activity (IC50=35.3 μM) in DPPH radical scavenging activity tests. Antitumor effects and anti-inflammatory property .

HY-W104752

5-(Pyridin-4-yl)-1,3,4-oxadiazole-2-thiol	Bacterial Fungal	Infection Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
5-(Pyridin-4-yl)-1,3,4-oxadiazole-2-thiol (Compound 3n) is an antimicrobial and antioxidant agent, that inhibits Escherichia coli and Staphylococcus epidermidis, with MIC of 8 and 4 μg/mL. 5-(Pyridin-4-yl)-1,3,4-oxadiazole-2-thiol exhibits antioxidant activity with IC₅₀ of 17.47 μM using DPPH free radical-scavenging method .

HY-130294

Pyracrenic acid	Elastase	Inflammation/Immunology
Pyracrenic acid is an elastase inhibitor (IC₅₀ = 2.42 µM), can be obtained from the bark of Pyracantha crenulata. Pyracrenic acid has DPPH free radical scavenging activity and anti-inflammatory activity .

HY-N3348

Lyoniside	Fungal	Infection Inflammation/Immunology
Lyoniside is a lignan glycoside with antioxidant, allelopathic and antifungal activities, which can be isolated from the rhizomes and stems of bilberry (Vaccinium myrtillus L.). Lyoniside exhibits radical scavenging properties with an IC₅₀ value of 23 μg/mL in DPPH assay. Lyoniside inhibits the mycelial growth of Fusarium oxysporum and Mucor hiemalis at 50 μg/mL with inhibitory rates of 78% and 80%, respectively .

HY-175862

ALR2-IN-9	Aldose Reductase Reactive Oxygen Species (ROS) PI3K Akt SOD p38 MAPK Keap1-Nrf2	Metabolic Disease
ALR2-IN-9 is a potent ALR2 inhibitor (IC₅₀ = 21.8 nM) with excellent antioxidant activity (EC₅₀ for DPPH radical scavenging = 2.8 μM). ALR2-IN-9 interacts directly with Reactive Oxygen Species (ROS)/Reactive Nitrogen Species (RNS) and interrupts the free radical chain reactions, and as an endogenous enzymatic antioxidant regulator, which regulates enzyme functions of CAT and SOD. ALR2-IN-9 regulates PI3K/Akt/Nrf2 pathway to attenuate hyperglycemia-mediated mitochondrial superoxide overproduction in vitro, and ameliorates CuSO₄- and H₂O₂-induced oxidative stress in vivo. ALR2-IN-9 prolongs lifespan of C. elegans via the regulation of stress response genes such as PMK-1. ALR2-IN-9 is a promising anti-aging drug candidate. ALR2-IN-9 can be used for diabetic complication research .

HY-156711

Ternatumoside II	IFNAR	Inflammation/Immunology
Ternatumoside II is a flavonoid glycoside that can be isolated from R. crenulata. Ternatumoside II can stimulate IFN-γ expression. Ternatumoside II has radical-scavenging activities (IC₅₀s: 260.5 μM and 320.2 μM for DPPH and ABTS) .

HY-N7155

2,4,7-Trihydroxy-9,10-dihydrophenanthrene	Reactive Oxygen Species (ROS)	Inflammation/Immunology
2,4,7-Trihydroxy-9,10-dihydrophenanthrene is a dihydrophenanthrene derivative that can be isolated from the air-dried whole plant of Pholidota chinensis Lindl.. 2,4,7-Trihydroxy-9,10-dihydrophenanthrene shows potent activities of IC₅₀ at 16.2 μM in *DPPH* radical-scavenging assay .

HY-N19875

Myrseguinoside A	Reactive Oxygen Species (ROS)	Cancer
Myrseguinoside A is a monoterpene glucoside found in the fruits of Myrsine seguinii. Myrseguinoside A does not exhibit significant *DPPH* radical-scavenging activity or growth inhibitory activity toward human cancer cells. Myrseguinoside A can be used for cancer research .

HY-N3349A

(-)-Lyoniresinol	Reactive Oxygen Species (ROS)	Others
(-)-Lyoniresinol is a lignan isolated from the Tarenna attenuata with antioxidant activities. (-)-Lyoniresinol has radical scavenging activities against DPPH with an IC₅₀ of 82.4 μM .

HY-133183

Urolignoside	Biochemical Assay Reagents	Others
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model .

HY-N8169

10-O-Trans-p-methoxycinnamoylcatalpol	Others	Others
10-O-Trans-p-methoxycinnamoylcatalpol has antioxidant activity with the IC₅₀ value of 0.37 μM/mL in DPPH free radical scavenging assay .

HY-N7518

Eulophiol	MMP	Inflammation/Immunology
Eulophiol shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC₅₀ of 27.7μM. Antioxidant activity .

HY-N13128

Icaritin-3-O-rhamnoside	Others	Others
Icaritin-3-O-rhamnoside (compound 20) is a flavonoid compound that exhibits DPPH radical scavenging activity (IC50=227.9 μM) .

HY-N12897

JBIR-94	Others	Others
JBIR-94 is a phenolic compound and can be isolated from Streptomyces. JBIR-94 has DPPH radical scavenging activity with an IC₅₀ value of 11.4 μM .

HY-111898

Epirosmanol	Others	Cancer
Epirosmanol is a nature diterpene lactone from S. officinalis. Epirosmanol shows anti-cancer activity and inhibits melanin biosynthesis against melanoma cells. Epirosmanol also exhibits DPPH radical scavenging activity .

HY-W357738

Urease-IN-14	Bacterial Urease	Infection
Urease-IN-14 (compound 15) is an urease inhibitor and antioxidant. Urease-IN-14 shows DPPH radical scavenging and urease inhibitory activities with IC₅₀ values 151.7 μM and 41.6 μM, respectively .

HY-N8254

Haginin A	Others	Others
Haginin A (compound 3）can be isolated from the EtOAc fraction of Lespedeza cyrtobotrya. Haginin A has **radical scavenging activity with IC₅₀ values of 9.0 μM and 37.7 μM in the ABTS system and DPPH system, respectively .**

HY-W714006

Cochliodinol	Reactive Oxygen Species (ROS)	Metabolic Disease
Cochliodinol (compound 1) is a metabolite derived from the Apis mellifera ligustica. Cochliodinol has strong free radical scavenging activity of 2, 2-diphenyl-1-picrohydrazine (DPPH) (IC₅₀=3.06 μg/mL) .

Cat. No.	Product Name	Type

HY-D0168

Orcinol

3,5-Dihydroxytoluene

Fluorescent Dyes

Orcinol (3,5-Dihydroxytoluene) is an organic compound used in biological dyeing and proteomics research. Orcinol inhibits melanogenesis in B16F10 cells by upregulating the MAPK/ERK signaling pathway, and suppresses the expression of MITF, tyrosinase (TYR), TRP1, and DCT. Orcinol exhibits certain DPPH radical scavenging activity. In addition, Orcinol can alter nitrogen balance in animals. Orcinol holds promise for research in cancer and metabolic diseases .

Cat. No.	Product Name	Type

HY-W019885A

Sodium tripolyphosphate (STPP), 98% Sodium triphosphate pentabasic, 98%	Biochemical Assay Reagents
Sodium tripolyphosphate (STPP), 98% is an inorganic, non-toxic polyphosphate crosslinker, inducer and enhancer. Sodium tripolyphosphate (STPP), 98% induces the formation of unique needle-like microcrystals in sodium alginate-chitosan composite films. Sodium tripolyphosphate (STPP), 98% enhances the *DPPH* free radical scavenging activity of sodium alginate-chitosan composite films .

HY-W013677

4-Fluorobenzoic acid	Biochemical Assay Reagents
4-Fluorobenzoic acid is a drug intermediate that can be used to synthesize a series of hydrazone derivatives with antituberculosis activity and Schiff bases with DPPH radical scavenging activity .

Cat. No.	Product Name	Target	Research Area

HY-P1934A

Cyclo(L-Phe-L-Pro)	Fungal Bacterial IFNAR Reactive Oxygen Species (ROS)	Infection Inflammation/Immunology Cancer
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

HY-P1934AR

Cyclo(L-Phe-L-Pro) (Standard)	Reference Standards Fungal Bacterial IFNAR Reactive Oxygen Species (ROS)	Infection Inflammation/Immunology Cancer
Gallic acid (hydrate) (Standard) is the analytical standard of Gallic acid (hydrate). This product is intended for research and analytical applications. Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-P1934A

Cyclo(L-Phe-L-Pro)	Natural Products Microorganisms Classification of Application Fields Inflammation/Immunology Disease Research Fields Source Classification Cancer	Fungal Bacterial IFNAR Reactive Oxygen Species (ROS)
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

HY-N1417

Sesamol 2 Publications Verification	Monophenols Classification of Application Fields Sesamum indicum Linn. Phenols Pedaliaceae Plants Disease Research Fields Source Classification Cancer	Apoptosis
Sesamol is a constituent of sesame oil. Sesamol shows a free radical scavenging activity. Sesamol shows an IC₅₀=5.95±0.56 μg/mL in the DPPH assay. Anti-oxidant activities . Anticancer activities .

HY-N0521

(-)-Gallocatechin	Structural Classification Classification of Application Fields Metabolic Disease Camellia sinensis (L.) O. Ktze. Plants Flavonoids Flavanols Phenols Polyphenols Disease Research Fields Source Classification Theaceae Cancer	Drug Isomer Reactive Oxygen Species (ROS)
(-)-Gallocatechin, an epimer of (-)-Epigallocatechin (EGC) (HY-N0225), is contained in various tea products. (-)-Gallocatechin demonstrates antioxidant activity in vitro, including inhibition of LDL oxidation and *DPPH* radical scavenging .

HY-D0168

Orcinol 3,5-Dihydroxytoluene	Microorganisms Classification of Application Fields Other Diseases Phenols Polyphenols Ericaceae Plants Disease Research Fields Source Classification	Fluorescent Dye Tyrosinase p38 MAPK ERK
Orcinol (3,5-Dihydroxytoluene) is an organic compound used in biological dyeing and proteomics research. Orcinol inhibits melanogenesis in B16F10 cells by upregulating the MAPK/ERK signaling pathway, and suppresses the expression of MITF, tyrosinase (TYR), TRP1, and DCT. Orcinol exhibits certain DPPH radical scavenging activity. In addition, Orcinol can alter nitrogen balance in animals. Orcinol holds promise for research in cancer and metabolic diseases .

HY-N7005

Clitorin	Flavonols Flavonoids other families Classification of Application Fields Phenols Polyphenols Metabolic Disease Plants Disease Research Fields Source Classification	EGFR Cytochrome P450 Fatty Acid Synthase (FASN) Acetyl-CoA Carboxylase HMG-CoA Reductase (HMGCR) PPAR AMPK
Clitorin is an orally active flavonoid compound that can be isolated from Carica papaya. Clitorin is an inhibitor of EGFR (IC₅₀: 89.58 nM) and aromatase (IC₅₀: 77.41 nM). Clitorin has antioxidant and anti-tumor activities. In the DPPH and ABTS radical scavenging assays, Clitorin has IC₅₀ values of 91.96 ppm and 250.45 ppm, respectively. In addition, Clitorin can regulate lipogenesis and fatty acid oxidation and can be used in the research of non-alcoholic fatty liver disease .

HY-127170

3-Hydroxycoumarin	Structural Classification other families Classification of Application Fields Other Diseases Coumarins Phenylpropanoids Plants Disease Research Fields Source Classification	Lipoxygenase Tyrosinase
3-Hydroxycoumarin is an inhibitor of tyrosinase and lipoxygenase with an IC₅₀ for recombinant human tyrosinase (rHT) of 26 μM, and a K_i of 3.39 μM; its IC₅₀ for LOX is 9.5 μM. 3-Hydroxycoumarin has DPPH free radical scavenging activity (IC₅₀ = 31.2 μM). 3-Hydroxycoumarin has photoprotective effects on sea urchin zygotes and embryos .

HY-N1750

3-(2,4-Dihydroxyphenyl)propanoic acid	Structural Classification Natural Products Classification of Application Fields Plants Moraceae Endogenous metabolite Human Gut Microbiota Metabolites Ficus carica L. Other Diseases Phenols Polyphenols Disease Research Fields Source Classification	Tyrosinase
3-(2,4-Dihydroxyphenyl) propanoic acid (DPPacid) is a competitive Tyrosinase inhibitor. It exhibits an IC₅₀ value of 3.02 μM against mushroom tyrosinase with L-tyrosine as the substrate, an IC₅₀ value of 62 μM with DL-DOPA as the substrate, and a K_i value of 11.5 μM. 3-(2,4-Dihydroxyphenyl) propanoic acid shows no DPPH radical scavenging activity. It can be used in studies related to ultraviolet B (UVB)-induced hyperpigmentation .

HY-119979

Cardanol monoene Cardanol C15:1	Monophenols Classification of Application Fields Phenols Plants Anacardium occidentaleL. Disease Research Fields Anacardiaceae Source Classification Cancer	Apoptosis Reactive Oxygen Species (ROS) Mitochondrial Metabolism MMP CDK Caspase Bcl-2 Family PARP MDM-2/p53 Cholinesterase (ChE)
Cardanol monoene (Cardanol C15:1) is a phenolic compound which can be found in cashew nut shell liquid. Cardanol monoene can inhibit cancer cells proliferation, migration, cause S phase arrest, induce apoptosis, ROS production and mitochondrial depolarization. Cardanol monoene downregulates MMP-2, MMP-9, cyclinA1 expression, regulates CDK2, p53, Bax, cytochrome c, cleaved caspase-3, cleaved PARP, Apaf-1 expression and Bax/Bcl-2 ratio. Cardanol monoene shows weak DPPH radical scavenging activity and AChE inhibition activity. Cardanol monoene is lethal to Artemia salina nauplii. Cardanol monoene. Cardanol monoene can be used for the research of cancer, infection and inflamation .

HY-N7931

Regaloside A 2 Publications Verification	Monophenols Liliaceae Classification of Application Fields Simple Phenylpropanols Phenols Phenylpropanoids Lilium regale Wilson Plants Inflammation/Immunology Disease Research Fields Source Classification	NO Synthase NF-κB
Regaloside A, a phenylpropanoid, shows significant DPPH radical scavenging activity of 58.0% at 160 ppm. Regaloside A has anti-inflammatory activity .

HY-W001542

5-Hydroxyoxindole	Alkaloids Monophenols Neurological Disease Classification of Application Fields Rubiaceae Phenols Haldina cordifolia (Roxb.) Ridsd. Metabolic Disease Plants Disease Research Fields Indole Alkaloids Source Classification	Reactive Oxygen Species (ROS)
5-Hydroxyoxindole is a structural analog of uric acid for its antioxidant. 5-Hydroxyoxindole has *DPPH* radical scavenging activities and lipid peroxidation-inhibitory activities. 5-Hydroxyoxindole is a product of partial metabolism of tryptophan involving conversion in the gut lumen of tryptophan to indole through the action of bacterial tryptophanase and tryptophan synthase. 5-Hydroxyoxindole is one of the main molecules responsible for the neurological symptoms of hepatic encephalopathy in rats. 5-Hydroxyoxindole can be used for the research of oxidative stress-mediated disorders .

HY-N11173A

trans-Melilotoside	Structural Classification Leguminosae Dendranthema morifolium (Ramat.) Tzvel. Coumarins Phenylpropanoids Plants Source Classification	Parasite
trans-Melilotoside is a coumarin precursor and that can be isolated from Melilotus neapolitan. trans-Melilotoside exhibits antiparasitic and DPPH radical-scavenging activity. trans-Melilotoside can be used for the research of human african trypanosomiasis, chagas’ disease, malaria ^[1] ^[3].

HY-N3349

Lyoniresinol	Structural Classification Toona sinensis (A. Juss.) Roem. Lignans Phenylpropanoids Plants Meliaceae Source Classification	Others
Lyoniresinol is a lignan isolated from the Tarenna attenuata with antioxidant activities. Lyoniresinol has radical scavenging activities against DPPH with an IC₅₀ of 82.4 μM .

HY-N3985

Gyrophoric acid	Microorganisms Classification of Application Fields Phenols Polyphenols Disease Research Fields Source Classification Cancer	Others
Gyrophoric acid is a good ultraviolet filter in lichen populations. Gyrophoric acid shows **DPPH radical scavenging** activity with an IC₅₀ value of 105.75 μg/ml .

HY-N4111

Wushanicaritin 1 Publications Verification	Flavonols Flavonoids Classification of Application Fields Phenols Polyphenols Epimedium wushanense Ying Plants Berberidaceae Inflammation/Immunology Disease Research Fields Source Classification	Others
Wushanicaritin exhibits significant antioxidant activity (IC₅₀=35.3 μM) in DPPH radical scavenging activity tests. Antitumor effects and anti-inflammatory property .

HY-N8194

Syringetin-3-O-glucoside Syringetin 3-O-β-D-glucoside	Flavonols Flavonoids Vitis vinifera cv. Zalema Phenols Polyphenols Plants Vitaceae Source Classification	Others
Syringetin-3-O-glucosid (Syringetin 3-O-β-D-glucoside), a flavonol glycoside, shows relatively weak DPPH and ABTS radical scavenging activity .

HY-N3141

Olivil (-)-Olivile; Vladinol C	Monophenols Oleaceae Lignans Olea europaea L. Phenols Phenylpropanoids Plants Source Classification	Others
Olivil ((-)-Olivile) is a lignan that has weak DPPH radical-scavenging activity (EC₅₀: 176 μM) .

HY-N9447

Norbergenin 1 Publications Verification	Natural Products other families Phenols Polyphenols Plants Source Classification	Reactive Oxygen Species (ROS)
Norbergenin, the O-demethyl derivative of bergenin, shows moderate antioxidant activity (IC₅₀ 13 μM in DPPH radical scavenging; 32 μM in superoxide anion scavenging) .

HY-W018643A

(E)-Ferulic acid methyl ester Methyl (E)-ferulate	Structural Classification Monophenols Ginkgoaceae Classification of Application Fields Simple Phenylpropanols Other Diseases Phenols Phenylpropanoids Plants Ginkgo biloba Disease Research Fields Source Classification	COX
(E)-Ferulic acid methyl ester (Methyl (E)-ferulate) exhibits strong DPPH and ABTS ⁺ radical scavenging activities .

HY-111523

Isomahanine	Alkaloids Rutaceae Murraya koenigii (L.) Spreng Plants Indole Alkaloids	p38 MAPK Apoptosis Autophagy Caspase
Isomahanine, carbazole alkaloid, is an antioxidative agent. Isomahanine has DPPH radical scavenging activity with an IC₅₀ value of 24 μM .

HY-W002773

Methyl isovanillate	Monophenols other families Classification of Application Fields Other Diseases Phenols Plants Disease Research Fields Source Classification	Endogenous Metabolite
Methyl isovanillate is a secondary metabolite isolated from Vitex agnus-castus. Methyl isovanillate does not exhibit significant activity* in the DPPH free radical scavenging experiment* .

HY-N3421

Koaburaside	Eucommia ulmoides Oliver Eucommiaceae Plants Saccharides Monosaccharides Source Classification	Interleukin Related TNF Receptor Influenza Virus
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits histamine release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-W001542R

5-Hydroxyoxindole (Standard)	Alkaloids Structural Classification Monophenols Rubiaceae Phenols Haldina cordifolia (Roxb.) Ridsd. Plants Indole Alkaloids Source Classification	Reference Standards Reactive Oxygen Species (ROS)
5-Hydroxyoxindole is a structural analog of uric acid for its antioxidant. 5-Hydroxyoxindole has DPPH radical scavenging activities and lipid peroxidation-inhibitory activities. 5-Hydroxyoxindole is a product of partial metabolism of tryptophan involving conversion in the gut lumen of tryptophan to indole through the action of bacterial tryptophanase and tryptophan synthase. 5-Hydroxyoxindole is one of the main molecules responsible for the neurological symptoms of hepatic encephalopathy in rats. 5-Hydroxyoxindole can be used for the research of oxidative stress-mediated disorders .

HY-N12941

Macarangin	Flavonols Flavonoids Animals Source Classification	Reactive Oxygen Species (ROS) NOD-like Receptor (NLR)
Macarangin can be isolated from propolis. Macarangin has DPPH radical-scavenging activity and shows anti-inflammatory activities via inhibiting the activation process of NLRP3 inflammasome .

HY-N10742

Maritimetin	Cercis chinensis Bunge Phenols Polyphenols Plants Compositae Source Classification	Reactive Oxygen Species (ROS)
Maritimein is an aurone that can be isolated from Coreopsis tinctoria. Maritimein shows strong diphenyl(2,4,6-trinitrophenyl)iminoazanium (DPPH) radical-scavenging activity with an IC₅₀ value of 4.12 μM. Maritimein can be used for the research of cardiovascular disease .

HY-121153

Altenusin Alutenusin	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Other Diseases Phenols Polyphenols Disease Research Fields Source Classification	FXR
Altenusin shows markedly DPPH radical scavenging activities.

HY-N16504

Robipseudin A	Structural Classification Flavonols Flavonoids Plants Fabaceae Source Classification	Biochemical Assay Reagents Reactive Oxygen Species (ROS)
Robipseudin A is a geranyl flavonol. Robipseudin A can be isolated from the leaves of Robinia pseudoacacia. Robipseudin A exhibits antioxidant activity in DPPH radical scavenging assay .

HY-N16406

Auroglaucin	Microorganisms Phenols Polyphenols Source Classification	SOD
Auroglaucin is a potent antioxidant. Auroglaucin shows 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging capacity and superoxide radical scavenging activity with EC₅₀ value of 74.6, 12.3 µM, respectively. Auroglaucin shows low activity for inhibiting the autoxidation of docosahexaenoic acid (DHA) .

HY-N4111R

Wushanicaritin (Standard)	Flavonols Structural Classification Flavonoids Phenols Polyphenols Epimedium wushanense Ying Plants Berberidaceae Source Classification	Reference Standards Others
Wushanicaritin exhibits significant antioxidant activity (IC50=35.3 μM) in DPPH radical scavenging activity tests. Antitumor effects and anti-inflammatory property .

HY-130294

Pyracrenic acid	Terpenoids Pyracantha crenulata (D. Don) Roem. Rosaceae Diterpenoids Plants Source Classification	Elastase
Pyracrenic acid is an elastase inhibitor (IC₅₀ = 2.42 µM), can be obtained from the bark of Pyracantha crenulata. Pyracrenic acid has DPPH free radical scavenging activity and anti-inflammatory activity .

HY-N3348

Lyoniside	Vaccinium myrtillus Linn. Lignans Phenols Polyphenols Phenylpropanoids Plants Ericaceae Source Classification	Fungal
Lyoniside is a lignan glycoside with antioxidant, allelopathic and antifungal activities, which can be isolated from the rhizomes and stems of bilberry (Vaccinium myrtillus L.). Lyoniside exhibits radical scavenging properties with an IC₅₀ value of 23 μg/mL in DPPH assay. Lyoniside inhibits the mycelial growth of Fusarium oxysporum and Mucor hiemalis at 50 μg/mL with inhibitory rates of 78% and 80%, respectively .

HY-156711

Ternatumoside II	Flavonoids Flavones Crassulaceae Plants Rhodiola crenulata (HK. f. et.Thoms) H. Ohba Source Classification	IFNAR
Ternatumoside II is a flavonoid glycoside that can be isolated from R. crenulata. Ternatumoside II can stimulate IFN-γ expression. Ternatumoside II has radical-scavenging activities (IC₅₀s: 260.5 μM and 320.2 μM for DPPH and ABTS) .

HY-N7155

2,4,7-Trihydroxy-9,10-dihydrophenanthrene	Classification of Application Fields Orchidaceae Phenols Polyphenols Pholidota chinensis Lindl. Plants Disease Research Fields Inflammation/Immunology Source Classification	Reactive Oxygen Species (ROS)
2,4,7-Trihydroxy-9,10-dihydrophenanthrene is a dihydrophenanthrene derivative that can be isolated from the air-dried whole plant of Pholidota chinensis Lindl.. 2,4,7-Trihydroxy-9,10-dihydrophenanthrene shows potent activities of IC₅₀ at 16.2 μM in *DPPH* radical-scavenging assay .

HY-N19875

Myrseguinoside A	Myrsine seguinii H. Lév. Structural Classification Plants Primulaceae Saccharides Monosaccharides Source Classification	Reactive Oxygen Species (ROS)
Myrseguinoside A is a monoterpene glucoside found in the fruits of Myrsine seguinii. Myrseguinoside A does not exhibit significant *DPPH* radical-scavenging activity or growth inhibitory activity toward human cancer cells. Myrseguinoside A can be used for cancer research .

HY-N3349A

(-)-Lyoniresinol	Classification of Application Fields Lignans Rubiaceae Other Diseases Phenols Polyphenols Phenylpropanoids Plants Tarenna attenuata (Voigt) Hutchins. Disease Research Fields Source Classification	Reactive Oxygen Species (ROS)
(-)-Lyoniresinol is a lignan isolated from the Tarenna attenuata with antioxidant activities. (-)-Lyoniresinol has radical scavenging activities against DPPH with an IC₅₀ of 82.4 μM .

HY-133183

Urolignoside	Natural Products Cinnamomum verum J. Presl Plants Lauraceae Source Classification	Biochemical Assay Reagents
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model .

HY-N8169

10-O-Trans-p-methoxycinnamoylcatalpol	Premna IntegrifoliaL. Classification of Application Fields Verbenaceae Other Diseases Other Phenylpropanoids Phenylpropanoids Plants Disease Research Fields Source Classification	Others
10-O-Trans-p-methoxycinnamoylcatalpol has antioxidant activity with the IC₅₀ value of 0.37 μM/mL in DPPH free radical scavenging assay .

HY-N7518

Eulophiol	Structural Classification Classification of Application Fields Pholidota yunnanensis Rolfe Orchidaceae Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields Source Classification	MMP
Eulophiol shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC₅₀ of 27.7μM. Antioxidant activity .

HY-N13128

Icaritin-3-O-rhamnoside	Flavonoids Flavones Epimedium wushanense Ying Plants Berberidaceae Source Classification	Others
Icaritin-3-O-rhamnoside (compound 20) is a flavonoid compound that exhibits DPPH radical scavenging activity (IC50=227.9 μM) .

HY-N12897

JBIR-94	Microorganisms Antibiotics Other Antibiotics Source Classification	Others
JBIR-94 is a phenolic compound and can be isolated from Streptomyces. JBIR-94 has DPPH radical scavenging activity with an IC₅₀ value of 11.4 μM .

HY-111898

Epirosmanol	Plants Source Classification	Others
Epirosmanol is a nature diterpene lactone from S. officinalis. Epirosmanol shows anti-cancer activity and inhibits melanin biosynthesis against melanoma cells. Epirosmanol also exhibits DPPH radical scavenging activity .

HY-N8254

Haginin A	Anthocyans Flavonoids Leguminosae Lespedeza cyrtobotrya Miq. Plants Source Classification	Others
Haginin A (compound 3）can be isolated from the EtOAc fraction of Lespedeza cyrtobotrya. Haginin A has **radical scavenging activity with IC₅₀ values of 9.0 μM and 37.7 μM in the ABTS system and DPPH system, respectively .**

HY-W714006

Cochliodinol	Human Gut Microbiota Metabolites Microorganisms Antibiotics Endogenous metabolite Other Antibiotics Source Classification	Reactive Oxygen Species (ROS)
Cochliodinol (compound 1) is a metabolite derived from the Apis mellifera ligustica. Cochliodinol has strong free radical scavenging activity of 2, 2-diphenyl-1-picrohydrazine (DPPH) (IC₅₀=3.06 μg/mL) .

HY-N10294

Epicoccone B	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Phenols Polyphenols Disease Research Fields Inflammation/Immunology Source Classification	HIV
Epicoccone B, firstly reported from C. globosum, exhibits the DPPH free radical scavenging ability with IC₅₀ value of 10.8 μM, and has potent α-glucosidase inhibition with IC₅₀ value of 27.3 μM. Anti-HIV activity .

HY-N13707

3′-Hydroxytectorigenin-7-O-β-D-xylosyl-(1→6)-β-D-glucopyranoside	Flavonoids Leguminosae Plants Isoflavones Pueraria montana (Lour.) Merr. Source Classification	Reactive Oxygen Species (ROS)
3′-Hydroxytectorigenin-7-O-β-D-xylosyl-(1→6)-β-D-glucopyranoside is an antioxidant that can be found in Pueraria montana var. lobata. It exhibits *DPPH* radical scavenging activity, with an IC₅₀ value of 42 μg/mL .

HY-N1417R

Sesamol (Standard)	Structural Classification Monophenols Sesamum indicum Linn. Phenols Pedaliaceae Plants Source Classification	Reference Standards Apoptosis
Sesamol (Standard) is the analytical standard of Sesamol. This product is intended for research and analytical applications. Sesamol is a constituent of sesame oil. Sesamol shows a free radical scavenging activity. Sesamol shows an IC50=5.95±0.56 μg/mL in the DPPH assay. Anti-oxidant activities . Anticancer activities .

HY-N8012

Multinoside A	Flavonoids Flavones Rosaceae Prunus tomentosa Thunb. Plants Saccharides Monosaccharides Source Classification	COX NO Synthase
Multinoside A (compound 6) is an antioxidant with DPPH free radical scavenging activity (IC₅₀=54.3 μg/mL). Multinoside A can also downregulate COX-2 expression (IC₅₀=9.6 μg/mL) and inhibit NO production (IC₅₀=43.9 μg/mL) .

HY-N15578

Actinidioionoside	Borago officinalis L. Lignans Phenylpropanoids Plants Boraginaceae Source Classification	Others
Actinidioionoside (Compound 2) is a megastigmane glucoside compound found in Borago officinalis L. Actinidioionoside has DPPH free radical scavenging activity (IC₅₀: 41.3 μM). Actinidioionoside has no significant cytotoxicity against A549 human lung cancer cells (IC₅₀ > 100 μM). Actinidioionoside can be used in antioxidant studies .

HY-N9051

6-Prenylquercetin-3-Me ether	Flavonoids Flavones Leguminosae Plants Glycyrrhiza uralensis Fisch. Source Classification	Glycosidase
6-Prenylquercetin-3-Me ether is a natural product that can be extracted from G. uralensis leaves. 6-Prenylquercetin-3-Me ether has radical scavenging activity toward *DPPH. 6-Prenylquercetin-3-Me ether also has inhibitory activity* against α-glucosidase .

HY-N9814

Shanciol B	Pholidota imbricata Hook. Classification of Application Fields Orchidaceae Phenols Polyphenols Plants Disease Research Fields Inflammation/Immunology Source Classification	NO Synthase
Shanciol B, isolated from the ethyl acetate extract of the air-dried whole plant of Pholidota imbricate Hook, inhibits nitric oxide (NO) production and 1,1-diphenyl-2-picrylhydrazil (DPPH) radical scavenging activity . Shanciol B is a microsomal prostaglandin E synthase-1 (mPGES-1) inhibitor with anti-inflammatory activity .

HY-N10927

2,11,12-Trihydroxy-7,20-epoxy-8,11,13-abietatriene	Terpenoids Labiatae Cassia Diterpenoids Plants Source Classification	Others
2,11,12-Trihydroxy-7,20-epoxy-8,11,13-abietatriene, a diterpenoid, has significant effects on DPPH radical scavenging activity with an IC₅₀ value of 20.0 µM. 2,11,12-Trihydroxy-7,20-epoxy-8,11,13-abietatriene shows potent antioxidant activity .

Cat. No.	Product Name	Chemical Structure

HY-W013677S

4-Fluorobenzoic acid-13C6
4-Fluorobenzoic acid- ¹³C₆ is the ¹³C₆ labeled 4-Fluorobenzoic acid (HY-W013677). 4-Fluorobenzoic acid is a drug intermediate that can be used to synthesize a series of hydrazone derivatives with antituberculosis activity and Schiff bases with DPPH radical scavenging activity.

HY-W013677S1

4-Fluorobenzoic acid-13C,d4
4-Fluorobenzoic acid- ¹³C,d₄ is the ¹³C- and deuterium labeled 4-Fluorobenzoic acid (HY-W013677). 4-Fluorobenzoic acid is a drug intermediate that can be used to synthesize a series of hydrazone derivatives with antituberculosis activity and Schiff bases with DPPH radical scavenging activity .

Cat. No.	Product Name		Classification

HY-131803

3'-Azido-3'-deoxyguanosine		Azide
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model . 3'-Azido-3'-deoxyguanosine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-175524

BChE/MAO-B-IN-2		Alkynes
BChE/MAO-B-IN-2 is a dual inhibitor of BChE (IC₅₀ = 0.05 μM, K_i = 0.01 μM) and MAO-B (IC₅₀ = 0.45 μM, K_i = 0.08 μM) with good blood-brain barrier permeability. BChE/MAO-B-IN-2 exhibits antioxidant activity, including DPPH radical scavenging, CUPRAC copper ion reduction, and superoxide anion scavenging. BChE/MAO-B-IN-2 can be used for the study of Alzheimer's disease (AD) .

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