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Flavonoids and polyphenols

Ayanin

Also known as 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one, 5,3'-Dihydroxy-3,7,4'-trimethoxyflavone, 3,7,4'-Tri-O-methylquercetin

CAS 572-32-7Formula C18H16O7Molar mass 344.32 g/mol
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Ayanin chemical structure, C18H16O7, CAS 572-32-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
572-32-7
Formula
C18H16O7
Molar mass
344.32 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Ayanin?

Plain description, key identifiers and synonyms

3',5-dihydroxy-3,4',7-trimethoxyflavone is a trimethoxyflavone that is quercetin in which the hydroxy groups at positions 3, 4' and 7 have been replaced by methoxy groups. It has a role as a plant metabolite. It is a trimethoxyflavone and a dihydroxyflavone. It is functionally related to a quercetin. It is a conjugate acid of a 3',5-dihydroxy-3,4',7-trimethoxyflavone(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one
CAS number
572-32-7 CAS number cross-checked
Molecular formula
C18H16O7
UNII
YA465UF3LK
MDL number
MFCD03844820
InChIKey
KPCRYSMUMBNTCK-UHFFFAOYSA-N
InChI
InChI=1S/C18H16O7/c1-22-10-7-12(20)15-14(8-10)25-17(18(24-3)16(15)21)9-4-5-13(23-2)11(19)6-9/h4-8,19-20H,1-3H3
SMILES (canonical and isomeric)
COC1=C(C=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)OC)O)OC)O

Synonyms

  • 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one
  • 5,3'-Dihydroxy-3,7,4'-trimethoxyflavone
  • 3,7,4'-Tri-O-methylquercetin
  • 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy-4H-chromen-4-one
  • 3',5-Dihydroxy-3,4',7-trimethoxyflavone
  • 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy-4H-1-benzopyran-4-one
  • 3,7,4'-O-trimethylquercetin
  • 3,7,4'-trimethylquercetin
  • Quercetin 3,7,4'-trimethyl ether
  • Quercetin 3,7,4'-trimethylether
  • 3,4',7-Trimethylquercetin
  • 3,5-dihydroxy-3,4',7-trimethoxyflavone
  • 3'',5-dihydroxy-3,4'',7-trimethoxyflavone
  • 5-hydroxy-2-(3-hydroxy-4-methoxy-phenyl)-3,7-dimethoxy-chromen-4-one
  • 4H-1-Benzopyran-4-one, 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy-
  • 4H-Benzopyran-4-one, 5-hydroxy-2-(3-hydroxy-4methoxyphenyl)-3,7-dimethoxy-

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
344.32 g/molcalc.
Exact mass
344.0896 Dacalc.
LogP (octanol/water)
2.9calc.
Topological polar surface area
98.36 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.17calc.
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.

Ayanin suppliers

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Ayanin 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

Roles

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

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 Ayanin 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 Ayanin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Ayanin?

3',5-dihydroxy-3,4',7-trimethoxyflavone is a trimethoxyflavone that is quercetin in which the hydroxy groups at positions 3, 4' and 7 have been replaced by methoxy groups. It has a role as a plant metabolite. It is a trimethoxyflavone and a dihydroxyflavone. It is functionally related to a quercetin.

What is the CAS number of Ayanin?

The CAS registry number of Ayanin is 572-32-7.

What is the molecular formula and weight of Ayanin?

The molecular formula of Ayanin is C18H16O7 and its molar mass is 344.32 g/mol.

What is Ayanin used for?

Known uses and roles of Ayanin include eukaryotic metabolite, metabolite and plant metabolite.

Is Ayanin hazardous?

No GHS hazard classification for Ayanin 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 Ayanin?

Ayanin 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 Ayanin?

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

What is the price of Ayanin?

Suppliers quote Ayanin 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 Ayanin

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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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