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Flavonoids and polyphenols

Tambulin

Also known as Herbacetin 7,8,4'-trimethyl ether, 3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one, 3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one

CAS 571-72-2Formula C18H16O7Molar mass 344.32 g/mol
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Tambulin chemical structure, C18H16O7, CAS 571-72-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
571-72-2
Formula
C18H16O7
Molar mass
344.32 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Tambulin?

Plain description, key identifiers and synonyms

Tambulin is a member of the class of flavonols that is flavonol substituted by an additional hydroxy group at position 5 and methoxy groups at positions 7, 8 and 4' respectively. It has a role as a plant metabolite. It is a trimethoxyflavone, a member of flavonols and a dihydroxyflavone. It is functionally related to a flavonol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one
CAS number
571-72-2 CAS number cross-checked
Molecular formula
C18H16O7
InChIKey
KAPZSMYEZDLAFB-UHFFFAOYSA-N
InChI
InChI=1S/C18H16O7/c1-22-10-6-4-9(5-7-10)16-15(21)14(20)13-11(19)8-12(23-2)17(24-3)18(13)25-16/h4-8,19,21H,1-3H3
SMILES (canonical and isomeric)
COC1=CC=C(C=C1)C2=C(C(=O)C3=C(O2)C(=C(C=C3O)OC)OC)O

Synonyms

  • Herbacetin 7,8,4'-trimethyl ether
  • 3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one
  • 3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
  • 3,5-dihydroxy-7,8-dimethoxy-2-(4-methoxyphenyl) chromen-4-one

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.

Tambulin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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

Frequently asked questions

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

What is Tambulin?

Tambulin is a member of the class of flavonols that is flavonol substituted by an additional hydroxy group at position 5 and methoxy groups at positions 7, 8 and 4' respectively. It has a role as a plant metabolite. It is a trimethoxyflavone, a member of flavonols and a dihydroxyflavone.

What is the CAS number of Tambulin?

The CAS registry number of Tambulin is 571-72-2.

What is the molecular formula and weight of Tambulin?

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

What is Tambulin used for?

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

Is Tambulin hazardous?

No GHS hazard classification for Tambulin 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 Tambulin?

Tambulin 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 Tambulin?

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

What is the price of Tambulin?

Suppliers quote Tambulin 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 Tambulin

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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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