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DPPH radical scavenging activity

" in MedChemExpress (MCE) Product Catalog:

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By Research Areas:	Cancer (31) Cardiovascular Disease (5) Infection (22) Inflammation/Immunology (62) Metabolic Disease (24) Neurological Disease (26)
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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-N1312

Sinapaldehyde	COX Bacterial Reactive Oxygen Species (ROS) Interleukin Related NO Synthase PERK JNK	Infection Inflammation/Immunology
Sinapaldehyde is a methoxyphenol and a selective COX-2 inhibitor (IC₅₀: 47.8 µM) that can be extracted from various plants. Sinapaldehyde has antibacterial, anti-inflammatory, and antioxidant activities. Sinapaldehyde can scavenge *DPPH* free radicals (IC₅₀: 172 μM). Sinapaldehyde is active against both Gram-negative and Gram-positive bacteria .

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-N2443

Tribuloside 1 Publications Verification	Phosphodiesterase (PDE) Bacterial PKA Tyrosinase TRP Channel Microphthalmia Associated Transcription Factor (MITF) Interleukin Related	Infection Metabolic Disease Inflammation/Immunology
Tribuloside is a flavonoid and PDE4 inhibitor (IC₅₀: 6 μM). Tribuloside exhibits antibacterial and antioxidant activities, capable of scavenging *DPPH* free radicals. Tribuloside also promotes melanogenesis. Tribuloside can be used in the research of hypopigmentary diseases, sun protection, and inflammatory diseases such as acute lung injury .

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-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-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-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-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-N5130

Effusol	Others	Neurological Disease
Effusol, a phenolic constituent from Juncus effuses, exhibits potent scavenging activity for DPPH and ABTS radicals, with IC₅₀ values of 79 μM and 2.73 μM, respectively. Effusol rescues CA1 LTP attenuated by corticosterone, defending the hippocampal function against stress-induced cognitive decline .

HY-N3141

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

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-124496

Piperitenone	Mitochondrial Metabolism Reactive Oxygen Species (ROS)	Others
Piperitenone is a terpenoid, and exhibits antioxidant activity. Piperitenone scavenges DPPH free radicals with an IC₅₀ of 22.7 μg/mL, and inhibits the peroxidation of linoleic acid .

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-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-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-168993

BRCA2-IN-2	Reactive Oxygen Species (ROS)	Inflammation/Immunology Cancer
BRCA2-IN-2 (Compound 3i) has a strong binding affinity to the BRCA2 protein. BRCA2-IN-2 can inhibit the proliferation of breast cancer cells and scavenge *DPPH* free radicals. BRCA2-IN-2 has anti-tumor and antioxidant activities .

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-W274194

Antioxidant agent-7	Reactive Oxygen Species (ROS)	Others
Antioxidant agent-7 (SD-7) is a benzodiazepine derivative with antioxidant activity with an IC₅₀ value of 470 nM to scavenge DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical .

HY-N9895

3,5-Dicaffeoyl-epi-quinic acid	Others	Infection Inflammation/Immunology
3,5-Dicaffeoyl-epi-quinic acid can be extracted from Chrysanthemum morifolium. 3,5-Dicaffeoyl-epi-quinic acid has antioxidant activities. 3,5-Dicaffeoyl-epi-quinic acid can scavenge *DPPH* radical and superoxide anion radical, with IC₅₀s of 5.6 and 2.9 μg/mL respectively .

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-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-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-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-W416228

1-O-Caffeoyl-β-D-glucopyranose	Reactive Oxygen Species (ROS)	Others
1-O-Caffeoyl-β-D-glucopyranose, a phenylpropanoid compound derived from Illicium majus, exhibits significant antioxidant activity and can scavenge DPPH radicals in vitro, with an IC₅₀ value of 37.7 μM .

HY-N10927

2,11,12-Trihydroxy-7,20-epoxy-8,11,13-abietatriene	Others	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 .

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-149313

α‑Amylase-IN-1	Amylases	Metabolic Disease
α Amylase-IN-1 (Compound 11) is an α-Amylase inhibitor with an IC₅₀ value of 0.5509 μM. α Amylase-IN-1 has antioxidant activity with an IC₅₀ value of 53.49 μM for scavenging *DPPH* free radicals. IC₅₀ can be used in the study of diabetes and oxidative stress-related diseases.

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-N1312R

Sinapaldehyde (Standard)	Reference Standards COX Bacterial Reactive Oxygen Species (ROS) Interleukin Related NO Synthase PERK JNK	Infection Inflammation/Immunology
Sinapaldehyde is a methoxyphenol and a selective COX-2 inhibitor (IC50: 47.8 µM) that can be extracted from various plants. Sinapaldehyde has antibacterial, anti-inflammatory, and antioxidant activities. Sinapaldehyde can scavenge DPPH free radicals (IC50: 172 μM). Sinapaldehyde is active against both Gram-negative and Gram-positive bacteria .

HY-146172

Antioxidant agent-3	Reactive Oxygen Species (ROS)	Inflammation/Immunology Cancer
Antioxidant agent-3 (Compound 14q), an potent antioxidant, displays potent **DPPH radicals scavenging** activity and ABTS ⁺ scavenging activity with IC₅₀s of 26.58 and 30.31 μM, respectively. Antioxidant agent-3 (Compound 14q) increases reactive oxygen species (ROS), superoxide dismutase (SOD) and glutathione (GSH), and reduced lactate dehydrogenase (LDH) in H₂O₂-treated HepG2 cells .

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-W012092

Ethyl 3,4,5-trimethoxybenzoate	Tyrosinase Reactive Oxygen Species (ROS)	Metabolic Disease Inflammation/Immunology
Ethyl 3,4,5-trimethoxybenzoate is a melanogenesis inhibitor. Ethyl 3,4,5-trimethoxybenzoate does not directly target tyrosinase activity, but inhibits melanin synthesis in a dose-dependent manner by downregulating α-MSH (HY-P0252)-induced tyrosinase protein expression and scavenging ROS. Ethyl 3,4,5-trimethoxybenzoate scavenges *DPPH* free radicals. Ethyl 3,4,5-trimethoxybenzoate can be used in the research of hyperpigmentation .

HY-N9814

Shanciol B	NO Synthase	Inflammation/Immunology
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-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-155346

Free radical scavenger 1	Bacterial	Others
Free radical scavenger 1 (compound 8) shows scavenging activity against the *DPPH* radical, with the IC₅₀ of 43.39 μg/ml .

HY-N11895

Isorabaichromone	Reactive Oxygen Species (ROS)	Inflammation/Immunology
Isorabaichromone is a potent antioxidant agent. Isorabaichromone shows a potent antioxidative activity and exhibits DPPH radical and superoxide anion scavenging activities .

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-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 .

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-N0448

10-Gingerol 4 Publications Verification	Zingiber officinale Roscoe Structural Classification Monophenols Classification of Application Fields Ketones, Aldehydes, Acids Phenols Plants Inflammation/Immunology Disease Research Fields Source Classification Zingiberaceae	AMPK Reactive Oxygen Species (ROS) Akt PI3K Interleukin Related TNF Receptor Apoptosis
10-Gingerol is an AMPK agonist, which is found in the ginger oleoresin from fresh rhizome with anti-inflammatory, antioxidant and anti-proliferative activities. 10-Gingerol suppresses neointimal hyperplasia and inhibits vascular smooth muscle cell proliferation. 10-Gingerol exhibits substantial scavenging activities with an IC₅₀ value of 10.47 μM against DPPH radical, an IC₅₀ value of 1.68 μM against superoxide radical and an IC₅₀ value of 1.35 μM against hydroxyl radical. 10-Gingerol inhibits the proliferation of MDA-MB-231 tumor cell line with an IC₅₀ of 12.1 μM. 10-Gingerol suppresses the proliferation, migration, invasion, and induced apoptosis through targeting the PI3K/Akt signaling pathway in MDA-MB-231/IR cells. 10-Gingerol can be used in research on various common cancers such as ovarian cancer and colon cancer, as well as colitis and neurodegenerative diseases .

HY-N1312

Sinapaldehyde	Infection Structural Classification Monophenols other families Classification of Application Fields Phenols Plants Disease Research Fields Source Classification	COX Bacterial Reactive Oxygen Species (ROS) Interleukin Related NO Synthase PERK JNK
Sinapaldehyde is a methoxyphenol and a selective COX-2 inhibitor (IC₅₀: 47.8 µM) that can be extracted from various plants. Sinapaldehyde has antibacterial, anti-inflammatory, and antioxidant activities. Sinapaldehyde can scavenge *DPPH* free radicals (IC₅₀: 172 μM). Sinapaldehyde is active against both Gram-negative and Gram-positive bacteria .

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-N0627

Kaempferol-7-O-β-D-glucopyranoside	Flavonols Structural Classification Flavonoids other families Classification of Application Fields Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields Source Classification	LDLR
Kaempferol-7-O-β-D-glucopyranoside is a flavonoid glycoside. Kaempferol-7-O-β-D-glucopyranoside exists in the root bark of Cudrania tricuspidata. Kaempferol-7-O-β-D-glucopyranoside inhibits Cu ²⁺-induced lipid peroxidation of low-density lipoprotein. Kaempferol-7-O-β-D-glucopyranoside possesses antioxidant activity and scavenges DPPH free radicals .

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-N2443

Tribuloside 1 Publications Verification	Tribulus terrester Linn. Flavonols Flavonoids Zygophyllaceae Phenols Polyphenols Plants Source Classification	Phosphodiesterase (PDE) Bacterial PKA Tyrosinase TRP Channel Microphthalmia Associated Transcription Factor (MITF) Interleukin Related
Tribuloside is a flavonoid and PDE4 inhibitor (IC₅₀: 6 μM). Tribuloside exhibits antibacterial and antioxidant activities, capable of scavenging *DPPH* free radicals. Tribuloside also promotes melanogenesis. Tribuloside can be used in the research of hypopigmentary diseases, sun protection, and inflammatory diseases such as acute lung injury .

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-N2907

Atranorin	other families Classification of Application Fields Phenols Polyphenols Plants Endogenous metabolite Disease Research Fields Source Classification Cancer	Wnt Ras Endogenous Metabolite Bacterial Fungal PD-1/PD-L1 Tim3 Akt AP-1 STAT
Atranorin is a secondary metabolite of lichens and AKT inhibitor. Atranorin possesses multiple activities such as antibacterial, anti-inflammatory, antioxidant, anti-glycation, analgesic, and anti-tumor effects. Atranorin has IC₅₀ values for scavenging *DPPH* and ABTS free radicals of 117 μM and less than 10 μM, respectively. Additionally, Atranorin also exhibits effects in promoting wound healing. Atranorin can be used in the research of various diseases, including myelodysplastic syndromes, tumors, and inflammatory conditions .

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-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-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-N5130

Effusol	Juncus effusus Linn. Juncaceae Phenols Polyphenols Plants Source Classification	Others
Effusol, a phenolic constituent from Juncus effuses, exhibits potent scavenging activity for DPPH and ABTS radicals, with IC₅₀ values of 79 μM and 2.73 μM, respectively. Effusol rescues CA1 LTP attenuated by corticosterone, defending the hippocampal function against stress-induced cognitive decline .

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-124496

Piperitenone	Structural Classification Other Monoterpenes Terpenoids Labiatae Erythrina poeppigiana Plants Source Classification	Mitochondrial Metabolism Reactive Oxygen Species (ROS)
Piperitenone is a terpenoid, and exhibits antioxidant activity. Piperitenone scavenges DPPH free radicals with an IC₅₀ of 22.7 μg/mL, and inhibits the peroxidation of linoleic acid .

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-W747297

β-Selinene	Other Terpenoids Structural Classification Terpenoids Psidium guajava Linn. Myrtaceae Plants Source Classification	COX Endogenous Metabolite
β-Selinene is a sesquiterpene and is the main active component of the essential oil of red purple hibiscus (Callicarpa macrophylla). β-Selinene exhibits significant related antioxidant activity, anti-inflammatory activity, and antipyretic analgesic activity. β-Selinene may exert antioxidant effects by directly scavenging free radicals (DPPH, NO, •OH) and chelating pro-oxidative metal ions (Fe²⁺); inhibit cyclooxygenase (COX) activity, reduce prostaglandin (such as PGE₂) synthesis to exert anti-inflammatory effects; regulate the thermoregulatory set point of the hypothalamus and inhibit inflammatory mediators to exert antipyretic and analgesic effects .

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-N9895

3,5-Dicaffeoyl-epi-quinic acid	Dendranthema morifolium (Ramat.) Tzvel. Phenols Polyphenols Plants Compositae Source Classification	Others
3,5-Dicaffeoyl-epi-quinic acid can be extracted from Chrysanthemum morifolium. 3,5-Dicaffeoyl-epi-quinic acid has antioxidant activities. 3,5-Dicaffeoyl-epi-quinic acid can scavenge *DPPH* radical and superoxide anion radical, with IC₅₀s of 5.6 and 2.9 μg/mL respectively .

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-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-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-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-W416228

1-O-Caffeoyl-β-D-glucopyranose	Illicium majus Hook. f. & Thomson Phenols Polyphenols Plants Schisandraceae Source Classification	Reactive Oxygen Species (ROS)
1-O-Caffeoyl-β-D-glucopyranose, a phenylpropanoid compound derived from Illicium majus, exhibits significant antioxidant activity and can scavenge DPPH radicals in vitro, with an IC₅₀ value of 37.7 μM .

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 .

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-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-N1312R

Sinapaldehyde (Standard)	Structural Classification Monophenols other families Phenols Plants Source Classification	Reference Standards COX Bacterial Reactive Oxygen Species (ROS) Interleukin Related NO Synthase PERK JNK
Sinapaldehyde is a methoxyphenol and a selective COX-2 inhibitor (IC50: 47.8 µM) that can be extracted from various plants. Sinapaldehyde has antibacterial, anti-inflammatory, and antioxidant activities. Sinapaldehyde can scavenge DPPH free radicals (IC50: 172 μM). Sinapaldehyde is active against both Gram-negative and Gram-positive bacteria .

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-W012092

Ethyl 3,4,5-trimethoxybenzoate	Rauvolfia verticillata (Lour.) Baill. Apocynaceae Natural Products Classification of Application Fields Other Diseases Plants Disease Research Fields Source Classification	Tyrosinase Reactive Oxygen Species (ROS)
Ethyl 3,4,5-trimethoxybenzoate is a melanogenesis inhibitor. Ethyl 3,4,5-trimethoxybenzoate does not directly target tyrosinase activity, but inhibits melanin synthesis in a dose-dependent manner by downregulating α-MSH (HY-P0252)-induced tyrosinase protein expression and scavenging ROS. Ethyl 3,4,5-trimethoxybenzoate scavenges *DPPH* free radicals. Ethyl 3,4,5-trimethoxybenzoate can be used in the research of hyperpigmentation .

HY-N2907R

Atranorin (Standard)	Structural Classification other families Phenols Polyphenols Plants Endogenous metabolite Source Classification	Wnt Reference Standards Ras Endogenous Metabolite Bacterial Fungal PD-1/PD-L1 Tim3 Akt AP-1 STAT
Atranorin (Standard) is the analytical standard of Atranorin (HY-N2907). This product is intended for research and analytical applications. Atranorin is a secondary metabolite of lichens and AKT inhibitor. Atranorin possesses multiple activities such as antibacterial, anti-inflammatory, antioxidant, anti-glycation, analgesic, and anti-tumor effects. Atranorin has IC₅₀ values for scavenging *DPPH* and ABTS free radicals of 117 μM and less than 10 μM, respectively. Additionally, Atranorin also exhibits effects in promoting wound healing. Atranorin can be used in the research of various diseases, including myelodysplastic syndromes, tumors, and inflammatory conditions .

HY-N0448R

10-Gingerol (Standard)	Zingiber officinale Roscoe Structural Classification Natural Products Monophenols Phenols Plants Source Classification Zingiberaceae	Reference Standards Others
10-Gingerol (Standard) is the analytical standard of 10-Gingerol (HY-N0448). This product is intended for research and analytical applications. 10-Gingerol is an AMPK agonist, which is found in the ginger oleoresin from fresh rhizome with anti-inflammatory, antioxidant and anti-proliferative activities. 10-Gingerol suppresses neointimal hyperplasia and inhibits vascular smooth muscle cell proliferation. 10-Gingerol exhibits substantial scavenging activities with an IC₅₀ value of 10.47 μM against DPPH radical, an IC₅₀ value of 1.68 μM against superoxide radical and an IC₅₀ value of 1.35 μM against hydroxyl radical. 10-Gingerol inhibits the proliferation of MDA-MB-231 tumor cell line with an IC₅₀ of 12.1 μM. 10-Gingerol suppresses the proliferation, migration, invasion, and induced apoptosis through targeting the PI3K/Akt signaling pathway in MDA-MB-231/IR cells. 10-Gingerol is promising for research of ulcerative colitis .

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-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-N11895

Isorabaichromone	Liliaceae Simple Phenylpropanols Phenols Polyphenols Aloe vera (L.) Burm. f. Phenylpropanoids Plants Source Classification	Reactive Oxygen Species (ROS)
Isorabaichromone is a potent antioxidant agent. Isorabaichromone shows a potent antioxidative activity and exhibits DPPH radical and superoxide anion scavenging activities .

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-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 .

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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