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Screening compounds

Flll31

Also known as FLLL 31, FLLL-31, Tetramethylcurcumin

CAS 52328-97-9Formula C25H28O6Molar mass 424.49 g/molEC 663-652-0
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Flll31 chemical structure, C25H28O6, CAS 52328-97-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
52328-97-9
Formula
C25H28O6
Molar mass
424.49 g/mol
EC number
663-652-0
HS code
291450
Category
Screening compounds

What is Flll31?

Plain description, key identifiers and synonyms

Flll31 is a chemical substance with the molecular formula C25H28O6 and a molar mass of 424.49 g/mol. Its CAS registry number is 52328-97-9. The IUPAC name is (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione
CAS number
52328-97-9 CAS number cross-checked
EC number
663-652-0
Molecular formula
C25H28O6
MDL number
MFCD19443859
InChIKey
VMMZAMVBGQWOHT-UTLPMFLDSA-N
InChI
InChI=1S/C25H28O6/c1-25(2,23(26)13-9-17-7-11-19(28-3)21(15-17)30-5)24(27)14-10-18-8-12-20(29-4)22(16-18)31-6/h7-16H,1-6H3/b13-9+,14-10+
Canonical SMILES
COc1ccc(C=CC(=O)C(C)(C)C(=O)C=Cc2ccc(OC)c(OC)c2)cc1OC
Isomeric SMILES
CC(C(=O)/C=C/C1=CC(=C(C=C1)OC)OC)(C(=O)/C=C/C2=CC(=C(C=C2)OC)OC)C

Synonyms

  • FLLL 31
  • FLLL-31
  • Tetramethylcurcumin
  • (1E,6E)-1,7-Bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione
  • Tetramethylcurcumin [M+H]+
  • (E,E)-1,7-Bis(3,4-dimethoxyphenyl)-4,4-dimethyl-1,6-heptadiene-3,5-dione
  • FLLL31, >=98% (HPLC)
  • (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethyl-hepta-1,6-diene-3,5-dione

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
424.49 g/molcalc.
Exact mass
424.1886 Dacalc.
LogP (octanol/water)
4.61calc.
Topological polar surface area
71.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
10calc.
Heavy atoms
31calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.28calc.
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=C(C=Cc1ccccc1)CC(=O)C=Cc1ccccc1

O=C(C=Cc1ccccc1)CC(=O)C=Cc1ccccc1

2 rings, 21 atoms.

52 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

Hazard statements

  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (2)
  • P273Avoid release to the environment.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Flll31 suppliers

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Flll31 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

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 Flll31 is traded under.

HS 2914.50Indicative HS code

Ketone-phenols and ketones with other oxygen function

World exports in 2024
$438M
+10.9% vs 2023, imports $420M
2019 to 2024
Top exporters
  1. China50.5%
  2. India * partner reported11.6%
  3. United States11.3%
Top importers
  1. United States20.8%
  2. Germany10.0%
  3. Netherlands8.6%

* Partner reported figures, a lower bound.

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

The HS code shown for Flll31 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Flll31, based on the data on this page

What is Flll31?

Flll31 is a chemical substance with the molecular formula C25H28O6 and a molar mass of 424.49 g/mol. Its CAS registry number is 52328-97-9. The IUPAC name is (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione.

What is the CAS number of Flll31?

The CAS registry number of Flll31 is 52328-97-9.

What is the molecular formula and weight of Flll31?

The molecular formula of Flll31 is C25H28O6 and its molar mass is 424.49 g/mol.

What is Flll31 used for?

Known uses and roles of Flll31 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Flll31 hazardous?

Flll31 has a GHS hazard classification. Main hazards: may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Flll31?

Flll31 is usually classified under HS code 291450 (Ketone-phenols and ketones with other oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Flll31?

Post a free request on CompoundList and suppliers of Flll31 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Flll31?

Suppliers quote Flll31 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 Flll31

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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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