CompoundList
Sign in
Antibiotics and anti-infectives

Ermanin

Also known as 5,7-Dihydroxy-3,4'-dimethoxyflavone, 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)chromen-4-one, Kaempferol 3,4'-di-O-methyl ether

CAS 20869-95-8Formula C17H14O6Molar mass 314.29 g/molEC 244-093-8
2 suppliers listed
Get quotes Compare 2 suppliers
Ermanin chemical structure, C17H14O6, CAS 20869-95-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20869-95-8
Formula
C17H14O6
Molar mass
314.29 g/mol
EC number
244-093-8
HS code
293299
Category
Antibiotics and anti-infectives

What is Ermanin?

Plain description, key identifiers and synonyms

3,4'-dimethylkaempferol is a dimethoxyflavone that is kaempferol in which the hydroxy groups at position 3 and 4' have been replaced by methoxy groups. It is a component of bee glue and isolated from several plant species including Tanacetum microphyllum. It has a role as an antineoplastic agent, an antimycobacterial drug, an anti-inflammatory agent, an apoptosis inducer and a plant metabolite. It is a dimethoxyflavone and a dihydroxyflavone. It is functionally related to a kaempferol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)chromen-4-one
CAS number
20869-95-8 CAS number cross-checked
EC number
244-093-8
Molecular formula
C17H14O6
UNII
850D90YJN3
InChIKey
RJCJVIFSIXKSAH-UHFFFAOYSA-N
InChI
InChI=1S/C17H14O6/c1-21-11-5-3-9(4-6-11)16-17(22-2)15(20)14-12(19)7-10(18)8-13(14)23-16/h3-8,18-19H,1-2H3
SMILES (canonical and isomeric)
COC1=CC=C(C=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC

Synonyms

  • 5,7-Dihydroxy-3,4'-dimethoxyflavone
  • 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)chromen-4-one
  • Kaempferol 3,4'-di-O-methyl ether
  • 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4-benzopyrone
  • 5,6-dihydroxy-3,4'-dimethoxyflavone
  • 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
  • 3,4'-Dimethoxychrysin
  • 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)-
  • Kaempferol-3,4'-dimethylether
  • Kaempferol-3,4'-dimethyl ether
  • 3,4'-dimethylkaempferol
  • Kaempferol 3,4'-dimethyl ether
  • 5,7-Dihydroxy-3-methoxy-2-(4-methoxy-phenyl)-chromen-4-one
  • 3,4'-dimethoxy-5,7-dihydroxyflavone
  • 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
  • 3,4'-O-dimethylkaempferol
  • Chrysin,4'-dimethoxy-
  • 3,4'-dimethoxykaempferol
  • Chrysin, 3,4'-dimethoxy-
  • kaempferol-3,4''-di-O-methyl ether
  • 5,7-dihydroxy-3,4''-dimethoxyflavone
  • 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-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
314.29 g/molcalc.
Exact mass
314.079 Dacalc.
LogP (octanol/water)
2.89calc.
Topological polar surface area
89.13 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
3calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.12calc.
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.

Ermanin suppliers

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

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Ermanin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Roles

  • anti-inflammatory agent
  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • antimycobacterial drug
  • antineoplastic agent
  • apoptosis inducer
  • eukaryotic metabolite
  • metabolite
  • pharmaceutical
  • 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 Ermanin 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 Ermanin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Ermanin?

3,4'-dimethylkaempferol is a dimethoxyflavone that is kaempferol in which the hydroxy groups at position 3 and 4' have been replaced by methoxy groups. It is a component of bee glue and isolated from several plant species including Tanacetum microphyllum.

What is the CAS number of Ermanin?

The CAS registry number of Ermanin is 20869-95-8.

What is the molecular formula and weight of Ermanin?

The molecular formula of Ermanin is C17H14O6 and its molar mass is 314.29 g/mol.

What is Ermanin used for?

Known uses and roles of Ermanin include antibacterials and antibiotics in pharmaceuticals, anti-inflammatory agent, antibacterial agent, antibacterial drug, antiinfective agent and 9 more.

Is Ermanin hazardous?

No GHS hazard classification for Ermanin 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 Ermanin?

Ermanin 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 Ermanin?

CompoundList lists 2 suppliers of Ermanin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ermanin?

Suppliers quote Ermanin 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 Ermanin

Get quotes for Ermanin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Ermanin
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Ermanin with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/ermanin-20869-95-8" title="Ermanin structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Antibiotics and anti-infectives or HS code 293299

2 suppliers
Free quotes, contact stays private
Get quotes