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Flavonoids and polyphenols

Patuletin

Also known as 6-Methoxyquercetin, Quercetagetin 6-methyl ether, 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone

CAS 519-96-0Formula C16H12O8Molar mass 332.26 g/molEC 208-280-8
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Patuletin chemical structure, C16H12O8, CAS 519-96-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
519-96-0
Formula
C16H12O8
Molar mass
332.26 g/mol
EC number
208-280-8
HS code
293299
Category
Flavonoids and polyphenols

What is Patuletin?

Plain description, key identifiers and synonyms

Patuletin is a trimethoxyflavone that is quercetagetin methylated at position 6. It has a role as an antioxidant, a metabolite, an analgesic, a lipoxygenase inhibitor and an EC 1.1.1.21 (aldehyde reductase) inhibitor. It is a monomethoxyflavone, a pentahydroxyflavone and a member of flavonols. It is functionally related to a quercetagetin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxychromen-4-one
CAS number
519-96-0 CAS number cross-checked
EC number
208-280-8
Molecular formula
C16H12O8
UNII
9BNM33N01N
InChIKey
JMIFIYIEXODVTO-UHFFFAOYSA-N
InChI
InChI=1S/C16H12O8/c1-23-16-9(19)5-10-11(13(16)21)12(20)14(22)15(24-10)6-2-3-7(17)8(18)4-6/h2-5,17-19,21-22H,1H3
SMILES (canonical and isomeric)
COC1=C(C2=C(C=C1O)OC(=C(C2=O)O)C3=CC(=C(C=C3)O)O)O

Synonyms

  • 6-Methoxyquercetin
  • Quercetagetin 6-methyl ether
  • 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone
  • 3,5,7,3',4'-Pentahydroxy-6-methoxyflavone
  • 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4H-chromen-4-one
  • 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxychromen-4-one
  • 6-O-Methylquercetagetin
  • 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4H-1-benzopyran-4-one
  • 3',4',5,7-Tetrahydroxy-6-methoxyflavonol
  • 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-chromen-4-one
  • 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4H-1-benzopyran-4-one, 9CI

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
332.26 g/molcalc.
Exact mass
332.0532 Dacalc.
LogP (octanol/water)
2calc.
Topological polar surface area
140.6 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
2calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.06calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1cc(-c2ccccc2)oc2ccccc12

O=c1cc(-c2ccccc2)oc2ccccc12

3 rings, 17 atoms, the Flavone ring system.

2,273 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Patuletin suppliers

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Patuletin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Enzyme Inhibitors

Roles

  • analgesic
  • antioxidant
  • enzyme inhibitor
  • lipoxygenase inhibitor
  • metabolite
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Patuletin is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Patuletin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Patuletin, based on the data on this page

What is Patuletin?

Patuletin is a trimethoxyflavone that is quercetagetin methylated at position 6. It has a role as an antioxidant, a metabolite, an analgesic, a lipoxygenase inhibitor and an EC 1.1.1.21 (aldehyde reductase) inhibitor. It is a monomethoxyflavone, a pentahydroxyflavone and a member of flavonols.

What is the CAS number of Patuletin?

The CAS registry number of Patuletin is 519-96-0.

What is the molecular formula and weight of Patuletin?

The molecular formula of Patuletin is C16H12O8 and its molar mass is 332.26 g/mol.

What is Patuletin used for?

Known uses and roles of Patuletin include biochemical and pharmacological tools in research and laboratory, analgesic, antioxidant, enzyme inhibitor, lipoxygenase inhibitor and 3 more.

Is Patuletin hazardous?

No GHS hazard classification for Patuletin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Patuletin?

Patuletin is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Patuletin?

Post a free request on CompoundList and suppliers of Patuletin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Patuletin?

Suppliers quote Patuletin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Patuletin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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