Cas no 117-39-5 (Quercetin)

Quercetin is a naturally occurring flavonoid compound exhibiting potent antioxidant properties and high bioavailability. Its ability to scavenge free radicals and modulate cellular signaling pathways makes it an attractive compound for use in various applications, including dietary supplements and pharmaceutical formulations, where it may offer protection against oxidative stress and inflammation.
Quercetin structure
Quercetin structure
Product Name:Quercetin
CAS No:117-39-5
MF:C26H26O17
MW:610.474449634552
MDL:MFCD00006828
CID:35843
PubChem ID:5280343
Update Time:2025-08-07

Quercetin Chemical and Physical Properties

Names and Identifiers

    • 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one
    • 2-(3,4-DIHYDROXYPHENYL)-3,5,7-TRIHYDROXY-4H-1-BENZOPYRAN-4-ONE
    • 3,3',4',5,6-PENTA-HYDROXY-FLAVONE
    • AKOS NCG1-0081
    • CI NO 75670
    • FLAVIN MELETIN
    • MELETIN
    • QUERCETIN
    • QUERCETINE
    • QUERCETOL
    • QUERCITIN
    • QUERTINE
    • SOPHORETIN
    • XANTHAURINE
    • 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4h-1-benzopyran-4-on
    • 3,5,7,3’,4’-pentahydroxyflavone
    • 3’,4’,5,7-tetrahydroxyflavan-3-ol
    • c.i.naturalyellow10
    • cinaturalyellow10
    • 2-Methyl-4-(trifluoromethyl)-1,3-thiazole-5-carboxylic acid
    • 3,3',4',5,7-Pentahydroxyflavone
    • Quercetin (Sophoretin)
    • QUERCETIN(P) (AHP Verified & Compendial Traceable) PrintBack
    • 2',3,4',5,7-pentahydroxyflavone
    • 3,3',4',5,7-pentahydroxylflavone
    • kvercetin
    • Sophretin
    • 3,3′,4′,5,6-Pentahydroxyflavone
    • [ "3", "3'", "4'", "5", "7-Pentahydroxyflavone" ]
    • natural
    • 3
    • Cyanidelonon 1522
    • T-Gelb bzw. grun 1
    • 3,5,7,3',4'-Pentahydroxyflavone
    • C.I. Natural Yellow 10
    • Quercetin content
    • Quertin
    • C.I. Natural red 1
    • Kvercetin [Czech]
    • Natural Yellow 10
    • C.I. 75670
    • CI Natural Yellow 10
    • 3',4',5,7-Tetrahydroxyflava
    • Quercetin anhydrous
    • Rutin
    • DTXSID801341586
    • Quercetin 3-O-xylosyl-glucuronide
    • 2-(3,4-DIHYDROXY-PHENYL)-3,5,7-TRIHYDROXY-CHROMEN-4-ONE
    • Dataset-S1.223
    • Dataset-S1.243
    • MLS002153851
    • ConMedNP.1481
    • 3,3',4',5,7-Pentahydroxyflavone; Quercetin
    • ConMedNP.1480
    • MLSMR
    • SMR000674606
    • MLS001074343
    • 3,3′,4′,5,7-Pentahydroxyflavone
    • 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one dihydrate
    • 3'-Hydroxykaempferol
    • SMR000112559
    • MLS006011766
    • 3,3',4',5,7-Pentahydroxyflavone dihydrate
    • 2C3H-Furanone
    • Quercetin
    • MDL： MFCD00006828
    • Inchi： 1S/C26H26O17/c27-6-13-15(32)19(36)25(40-13)43-24(38)23-18(35)17(34)20(37)26(42-23)41-22-16(33)14-11(31)4-8(28)5-12(14)39-21(22)7-1-2-9(29)10(30)3-7/h1-5,13,15,17-20,23,25-32,34-37H,6H2/t13-,15+,17+,18+,19-,20-,23+,25+,26-/m1/s1
    • InChI Key： DKHSNOLJPXJJMD-GQDNDFQBSA-N
    • SMILES： O1[C@H]([C@@H]([C@H]([C@H]1CO)O)O)OC([C@@H]1[C@H]([C@@H]([C@H]([C@H](OC2C(C3C(=CC(=CC=3OC=2C2C=CC(=C(C=2)O)O)O)O)=O)O1)O)O)O)=O

Computed Properties

  • Exact Mass: 302.04300
  • Monoisotopic Mass: 302.042653
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 5
  • Hydrogen Bond Acceptor Count: 7
  • Heavy Atom Count: 22
  • Rotatable Bond Count: 1
  • Complexity: 488
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 435
  • XLogP3: 1.5
  • Topological Polar Surface Area: 127
  • Molecular Weight: 302.23

Experimental Properties

  • Color/Form: White or yellowish needle like crystals
  • Density: 1.3616 (rough estimate)
  • Melting Point: 314-317 oC
  • Boiling Point: 363.28°C (rough estimate)
  • Flash Point: 248.1oC
  • Refractive Index: 1.4790 (estimate)
  • Solubility: less than 1 mg/mL at 70° F (NTP, 1992)
  • Water Partition Coefficient: <0.1 g/100 mL at 21 oC
  • PSA: 131.36000
  • LogP: 1.98800
  • Merck: 13,8122
  • Solubility: Slightly soluble in water, easily soluble in alkaline aqueous solution.
  • Vapor Pressure: 2.81X10-14 mm Hg at 25 °C (est)

Quercetin Security Information

  • Symbol: GHS06
  • Signal Word：Danger
  • Hazard Statement： H301
  • Warning Statement： P301+P310
  • Hazardous Material transportation number：2811
  • WGK Germany：3
  • Hazard Category Code： 25
  • Safety Instruction： S45
  • RTECS：LK8750000
  • Hazardous Material Identification： T
  • Storage Condition：Powder -20°C 3 years ? 4°C 2 years In solvent -80°C 6 months ? -20°C 1 month
  • HazardClass：6.1(b)
  • PackingGroup：III
  • Packing Group：III
  • Risk Phrases：R25; R40
  • Hazard Level：6.1(b)

Quercetin Customs Data

  • Customs Data：

    China Customs Code:

    2914501900

    Overview:

    2914501900 Other ketophenols.Regulatory conditions:nothing.VAT:17.0%.Tax refund rate:9.0%.MFN tariff:5.5%.general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, Acetone declared packaging

    Summary:

    2914501900 other ketone-phenols.Supervision conditions:None.VAT:17.0%.Tax rebate rate:9.0%.MFN tariff:5.5%.General tariff:30.0%

Quercetin Pricemore >>

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Quercetin Production Method

Production Method 1

Reaction Conditions
1.1 Solvents: Dimethyl sulfoxide ,  Water ;  pH 5, 35 °C; 10 min, 100 °C; 24 h, 100 °C
1.2 Solvents: Water ;  pH 3
Reference
α-L-Rhamnosyl-β-D-glucosidase (Rutinosidase) from Aspergillus niger: Characterization and Synthetic Potential of a Novel Diglycosidase
Simcikova, Daniela; Kotik, Michael; Weignerova, Lenka; Halada, Petr; Pelantova, Helena; et al, Advanced Synthesis & Catalysis, 2015, 357(1), 107-117

Production Method 2

Reaction Conditions
1.1 Solvents: Choline chloride ,  Oxalic acid ,  Water
Reference
Efficient and green strategy based on pulsed electric field coupled with deep eutectic solvents for recovering flavonoids and preparing flavonoid aglycones from noni-processing wastes
Li, Jian; Chen, Wen; Niu, Debao; Wang, Rui; Xu, Fei-Yue; et al, Journal of Cleaner Production, 2022, 368,

Quercetin Raw materials

Quercetin Preparation Products

Quercetin Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:117-39-5)Quercetin
Order Number:sfd7140
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:34
Price ($):discuss personally
Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:117-39-5)Quercetin
Order Number:A1198875
Stock Status:in Stock
Quantity:1000g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 02:38
Price ($):223.0
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:117-39-5)Quercetin
Order Number:LE639;LE10157
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:39
Price ($):discuss personally

Quercetin Spectrogram

1H NMR DMSO
1H NMR
GC-MS
GC-MS

Quercetin Related Literature

Related Categories

117-39-5 (Quercetin) Related Products

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:117-39-5)Quercetin
sfd7140
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Amadis Chemical Company Limited
(CAS:117-39-5)Quercetin
A1198875
Purity:99%
Quantity:1000g
Price ($):223.0
Email