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Flavonoids and polyphenols

Flemingin A

Also known as (E)-1-[5,8-dihydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-3-(2-hydroxyphenyl)prop-2-en-1-one

CAS 18296-58-7Formula C25H26O5Molar mass 406.48 g/mol
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Flemingin A chemical structure, C25H26O5, CAS 18296-58-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18296-58-7
Formula
C25H26O5
Molar mass
406.48 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Flemingin A?

Plain description, key identifiers and synonyms

Flemingin A is a chemical substance with the molecular formula C25H26O5 and a molar mass of 406.48 g/mol. Its CAS registry number is 18296-58-7. The IUPAC name is (E)-1-[5,8-dihydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-3-(2-hydroxyphenyl)prop-2-en-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-1-[5,8-dihydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-3-(2-hydroxyphenyl)prop-2-en-1-one
CAS number
18296-58-7
Molecular formula
C25H26O5
InChIKey
TWPVTOUKFXVBKI-ZHACJKMWSA-N
InChI
InChI=1S/C25H26O5/c1-16(2)7-6-13-25(3)14-12-18-23(29)19(15-22(28)24(18)30-25)21(27)11-10-17-8-4-5-9-20(17)26/h4-5,7-12,14-15,26,28-29H,6,13H2,1-3H3/b11-10+
Canonical SMILES
CC(C)=CCCC1(C)C=Cc2c(O)c(C(=O)C=Cc3ccccc3O)cc(O)c2O1
Isomeric SMILES
CC(=CCCC1(C=CC2=C(C(=CC(=C2O1)O)C(=O)/C=C/C3=CC=CC=C3O)O)C)C

Synonyms

  • (E)-1-[5,8-dihydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-3-(2-hydroxyphenyl)prop-2-en-1-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
406.48 g/molcalc.
Exact mass
406.178 Dacalc.
LogP (octanol/water)
5.61calc.
Topological polar surface area
86.99 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
30calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.24calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (1 violation)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=C(C=Cc1ccccc1)c1ccc2c(c1)C=CCO2

O=C(C=Cc1ccccc1)c1ccc2c(c1)C=CCO2

3 rings, 20 atoms.

30 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.

Flemingin A suppliers

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Flemingin A price

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

Frequently asked questions

Quick answers about Flemingin A, based on the data on this page

What is Flemingin A?

Flemingin A is a chemical substance with the molecular formula C25H26O5 and a molar mass of 406.48 g/mol. Its CAS registry number is 18296-58-7. The IUPAC name is (E)-1-[5,8-dihydroxy-2-methyl-2-(4-methylpent-3-enyl)chromen-6-yl]-3-(2-hydroxyphenyl)prop-2-en-1-one.

What is the CAS number of Flemingin A?

The CAS registry number of Flemingin A is 18296-58-7.

What is the molecular formula and weight of Flemingin A?

The molecular formula of Flemingin A is C25H26O5 and its molar mass is 406.48 g/mol.

Is Flemingin A hazardous?

No GHS hazard classification for Flemingin A 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 Flemingin A?

Flemingin A 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 Flemingin A?

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What is the price of Flemingin A?

Suppliers quote Flemingin A 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 Flemingin A

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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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