quercetin Indications/Contra | FAERs-F | FAERs-M | Orange Bk | BioActivity |

Stem definitionDrug idCAS RN
3514 117-39-5



Molfile Inchi Smiles


  • quercetin
  • quercetine
  • quercetol
  • quertine
  • xanthaurine
A flavonol widely distributed in plants. It is an antioxidant, like many other phenolic heterocyclic compounds. Glycosylated forms include RUTIN and quercetrin.
  • Molecular weight: 302.24
  • Formula: C15H10O7
  • CLOGP: 1.50
  • HAC: 7
  • HDO: 5
  • TPSA: 127.45
  • ALOGS: -3.06
  • ROTB: 1

Drug dosage:


ADMET properties:

Vd (Volume of distribution) 0.12 L/kg Lombardo F, Berellini G, Obach RS
CL (Clearance) 11 mL/min/kg Lombardo F, Berellini G, Obach RS
fu (Fraction unbound in plasma) 0.01 % Lombardo F, Berellini G, Obach RS
t_half (Half-life) 0.60 hours Lombardo F, Berellini G, Obach RS



FDA Adverse Event Reporting System (Female)


FDA Adverse Event Reporting System (Male)


Pharmacologic Action:

CHEBI has role CHEBI:35610 antineoplastic agent
MeSH PA D000975 Antioxidants
MeSH PA D020011 Protective Agents

Drug Use (View source of the data)

Primary hyperoxaluria contraindication 17901006 DOID:2977
Kidney disease contraindication 90708001 DOID:557
Anemia due to enzyme deficiency contraindication 111577008
Hb SS disease contraindication 127040003 DOID:10923
Hemochromatosis contraindication 399187006 DOID:2352

Acid dissociation constants calculated using MoKa v3.0.0

Dissociation levelDissociation constantType (acidic/basic)
pKa1 6.4 acidic
pKa2 9.56 acidic
pKa3 11.29 acidic
pKa4 14.0 acidic
pKa5 14.0 acidic

Orange Book patent data (new drug applications)


Orange Book exclusivity data (new drug applications)


Bioactivity Summary:

TargetClassPharosUniProtActionTypeActivity value
Bioact sourceMoA source
Focal adhesion kinase 1 Kinase IC50 5.92 CHEMBL
Casein kinase II subunit alpha Kinase Ki 5.93 CHEMBL
Lysine--tRNA ligase Enzyme IC50 4.70 CHEMBL
Receptor-type tyrosine-protein kinase FLT3 Kinase IC50 6.23 CHEMBL
Epidermal growth factor receptor Kinase IC50 6.05 CHEMBL
Prothrombin Enzyme Kd 7.41 CHEMBL
Adenosine receptor A3 GPCR Ki 4.52 CHEMBL
RAC-alpha serine/threonine-protein kinase Kinase IC50 5.27 CHEMBL
Carbonic anhydrase 2 Enzyme Ki 5.60 CHEMBL
Urokinase-type plasminogen activator Enzyme IC50 4.92 CHEMBL
Multidrug resistance protein 1 Transporter Kd 5.15 CHEMBL
Carbonic anhydrase 12 Enzyme Ki 5.03 CHEMBL
Phospholipase A2 Enzyme IC50 5.70 CHEMBL
Vascular endothelial growth factor receptor 2 Kinase IC50 6.55 CHEMBL
Proto-oncogene tyrosine-protein kinase Src Kinase IC50 6.92 CHEMBL
Alpha-amylase 1 Enzyme IC50 4.67 CHEMBL
Cyclin-dependent kinase 2 Kinase IC50 4.40 CHEMBL
Carbonic anhydrase 4 Enzyme Ki 5.10 CHEMBL
NADPH oxidase 4 Enzyme IC50 6.17 CHEMBL
Cyclin-dependent kinase 5/CDK5 activator 1 Kinase IC50 4.64 CHEMBL
Chymotrypsin C Enzyme IC50 4 CHEMBL
Cyclin-dependent kinase 4/cyclin D1 Kinase IC50 4.21 CHEMBL
Sorbitol dehydrogenase Enzyme IC50 4.45 CHEMBL
Cyclin-dependent kinase 1/cyclin B1 Kinase IC50 4.70 CHEMBL
Hypoxia-inducible factor 1-alpha inhibitor Unclassified IC50 4.99 CHEMBL
Hepatocyte growth factor receptor Kinase IC50 6.24 CHEMBL
Cyclin-dependent kinase 6 Kinase IC50 4.60 CHEMBL
Arachidonate 5-lipoxygenase Enzyme IC50 6.10 CHEMBL
Matrix metalloproteinase-9 Enzyme IC50 5.79 CHEMBL
Aromatase Enzyme IC50 7.92 CHEMBL
Calcium/calmodulin-dependent protein kinase type II subunit beta Kinase IC50 5.52 CHEMBL
Bifunctional epoxide hydrolase 2 Enzyme IC50 4.47 CHEMBL
Multidrug resistance-associated protein 1 Transporter Ki 5.62 CHEMBL
Tyrosine-protein phosphatase non-receptor type 1 Enzyme IC50 4.63 CHEMBL
Amine oxidase [flavin-containing] A Enzyme IC50 5.55 CHEMBL
Acetylcholinesterase Enzyme Ki 4.42 CHEMBL
D(4) dopamine receptor GPCR Ki 5.11 CHEMBL
Phosphatidylinositol 3-kinase regulatory subunit alpha Kinase IC50 5.42 CHEMBL
Chymotrypsinogen B Enzyme IC50 4 CHEMBL
Serine/threonine-protein kinase PLK1 Kinase IC50 5.24 CHEMBL
NUAK family SNF1-like kinase 1 Kinase IC50 5.29 CHEMBL
Dipeptidyl peptidase 4 Enzyme IC50 4.49 CHEMBL
Amine oxidase [flavin-containing] B Enzyme IC50 4.05 CHEMBL
Prolyl endopeptidase Enzyme IC50 4.89 CHEMBL
Vasopressin V2 receptor GPCR IC50 5.20 CHEMBL
G-protein coupled receptor 35 GPCR IC50 4.81 CHEMBL
Prostaglandin G/H synthase 2 Enzyme IC50 4.54 CHEMBL
Beta-secretase 1 Enzyme Ki 4.85 CHEMBL
Calmodulin Cytosolic other IC50 4.89 CHEMBL
72 kDa type IV collagenase Enzyme IC50 5.18 CHEMBL
Myeloperoxidase Enzyme IC50 5.90 CHEMBL
Stromelysin-1 Enzyme IC50 5.25 CHEMBL
Cyclin-dependent kinase 1 Kinase IC50 6.35 CHEMBL
Cytochrome P450 1B1 Enzyme IC50 7.11 CHEMBL
Lymphocyte differentiation antigen CD38 Tumour-associated antigen IC50 4.42 CHEMBL
C-C chemokine receptor type 4 GPCR IC50 5 CHEMBL
Xanthine dehydrogenase/oxidase Enzyme IC50 5.58 CHEMBL
Arachidonate 12-lipoxygenase, 12S-type Enzyme IC50 6.36 CHEMBL
Serine/threonine-protein kinase pim-1 Kinase Kd 7.60 CHEMBL
Tyrosine-protein kinase Lck Kinase IC50 4.89 CHEMBL
Carbonic anhydrase 3 Enzyme Ki 5.09 CHEMBL
Tyrosine-protein kinase receptor UFO Kinase IC50 6.02 CHEMBL
Estradiol 17-beta-dehydrogenase 2 Enzyme IC50 5.81 CHEMBL
Arachidonate 15-lipoxygenase Enzyme IC50 5.66 CHEMBL
C-X-C chemokine receptor type 1 GPCR IC50 5.35 CHEMBL
Cyclin-dependent kinase 1/cyclin B Kinase IC50 4.12 CHEMBL
Carbonic anhydrase 5A, mitochondrial Enzyme Ki 5.17 CHEMBL
ATP-binding cassette sub-family G member 2 Transporter IC50 5.16 CHEMBL
ALK tyrosine kinase receptor Kinase IC50 5.48 CHEMBL
Carbonic anhydrase 14 Enzyme Ki 5.27 CHEMBL
Carbonic anhydrase 7 Enzyme Ki 5.32 CHEMBL
Carbonic anhydrase 9 Enzyme Ki 5.15 CHEMBL
Carbonic anhydrase 1 Enzyme Ki 5.57 CHEMBL
Macrophage metalloelastase Enzyme IC50 4.99 CHEMBL
Insulin-like growth factor 1 receptor Kinase IC50 6.52 CHEMBL
Glycogen synthase kinase-3 beta Kinase IC50 5.70 CHEMBL
Cholinesterase Enzyme Ki 4.17 CHEMBL
Aurora kinase B Kinase IC50 6.04 CHEMBL
Carbonic anhydrase 5B, mitochondrial Enzyme Ki 4.92 CHEMBL
Serine/threonine-protein kinase Nek6 Kinase IC50 5.37 CHEMBL
Collagenase 3 Enzyme IC50 5.07 CHEMBL
Lactoylglutathione lyase Enzyme IC50 5.49 CHEMBL
Serine/threonine-protein kinase Nek2 Kinase IC50 5.24 CHEMBL
Serine/threonine-protein kinase N1 Kinase IC50 5.24 CHEMBL
Glycogen synthase kinase-3 Kinase IC50 5.68 CHEMBL
Carbonic anhydrase 6 Enzyme Ki 5.21 CHEMBL
Aldose reductase Enzyme IC50 7.83 CHEMBL
Glycogen phosphorylase, liver form Enzyme IC50 5.32 CHEMBL
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform Kinase IC50 4.86 CHEMBL
Tyrosine-protein kinase SYK Kinase IC50 4.70 CHEMBL
Death-associated protein kinase 1 Kinase IC50 5.05 CHEMBL
Aldose reductase Enzyme IC50 5.55 CHEMBL
Cell division protein kinase 5 Unclassified EC50 4.20 CHEMBL
Cationic trypsin Enzyme IC50 5.15 CHEMBL
Carbonic anhydrase 13 Enzyme Ki 5.04 CHEMBL
Arachidonate 15-lipoxygenase Enzyme IC50 6.37 CHEMBL
Beta-lactamase Enzyme IC50 5.40 CHEMBL
Aldose reductase Enzyme IC50 4.30 CHEMBL
Amine oxidase [flavin-containing] A Enzyme IC50 8 CHEMBL
Arachidonate 5-lipoxygenase Enzyme IC50 6.70 CHEMBL
Xanthine dehydrogenase/oxidase Enzyme Ki 5.92 CHEMBL
D-alanylalanine synthetase Unclassified IC50 4.70 CHEMBL
Sialidase Enzyme IC50 5.77 CHEMBL
Adenosine receptor A2a GPCR Ki 5.16 CHEMBL
Enoyl-[acyl-carrier-protein] reductase [NADH] FabI Enzyme IC50 4.70 CHEMBL
Amine oxidase [flavin-containing] B Enzyme IC50 4.70 CHEMBL
Replicase polyprotein 1ab Enzyme IC50 5.09 CHEMBL
Aldo-keto reductase family 1 member C21 Enzyme Ki 4.96 CHEMBL
Adenosine receptor A1 GPCR Ki 5.61 CHEMBL
Aldose reductase Enzyme IC50 6 CHEMBL
Phosphodiesterase 2A Unclassified IC50 4.09 CHEMBL
Cytosol aminopeptidase Unclassified IC50 4.46 CHEMBL
Alcohol dehydrogenase [NADP(+)] Enzyme IC50 5.63 CHEMBL
Integrase Enzyme IC50 6.22 CHEMBL
Arginase Enzyme IC50 5.40 CHEMBL
D-alanine--D-alanine ligase Enzyme Ki 5.37 CHEMBL
5'-nucleotidase Enzyme Ki 7.34 CHEMBL
Polyphenol oxidase 2 Enzyme IC50 4.51 CHEMBL
Alcohol dehydrogenase [NADP(+)] Enzyme IC50 4.42 CHEMBL
Glutathione reductase Unclassified IC50 4.31 CHEMBL
Enoyl-acyl-carrier protein reductase Enzyme Ki 7.66 CHEMBL
3-oxoacyl-acyl-carrier protein reductase Enzyme IC50 5.27 CHEMBL
Beta-hydroxyacyl-ACP dehydratase; Fatty acid synthesis protein Enzyme IC50 5.82 CHEMBL
Malate dehydrogenase Enzyme IC50 5.22 CHEMBL
Nitric oxide synthase, inducible Enzyme IC50 4.79 CHEMBL
Neuraminidase Enzyme IC50 5.66 CHEMBL

External reference:

4030654 VUID
N0000182642 NUI
C0034392 UMLSCUI
126144003 SNOMEDCT_US
52130006 SNOMEDCT_US
4030654 VANDF
007403 NDDF

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