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Heterocyclic building blocks

Maesopsin

Also known as 2,4,6-trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzofuran-3-one, 2,4,6-trihydroxy-2-((4-hydroxyphenyl)methyl)-1-benzofuran-3-one, Mesopsin

CAS 5989-16-2Formula C15H12O6Molar mass 288.26 g/molEC 804-191-9
GHS signal word: Warning. Pictograms: Hazardous to the environment 1 supplier listed
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Maesopsin chemical structure, C15H12O6, CAS 5989-16-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5989-16-2
Formula
C15H12O6
Molar mass
288.26 g/mol
EC number
804-191-9
HS code
293299
Category
Heterocyclic building blocks

What is Maesopsin?

Plain description, key identifiers and synonyms

Maesopsin is a member of aurones.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,4,6-trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzofuran-3-one
CAS number
5989-16-2 CAS number cross-checked
EC number
804-191-9
Molecular formula
C15H12O6
InChIKey
LOFYFDPXORJJEE-UHFFFAOYSA-N
InChI
InChI=1S/C15H12O6/c16-9-3-1-8(2-4-9)7-15(20)14(19)13-11(18)5-10(17)6-12(13)21-15/h1-6,16-18,20H,7H2
SMILES (canonical and isomeric)
C1=CC(=CC=C1CC2(C(=O)C3=C(C=C(C=C3O2)O)O)O)O

Synonyms

  • 2,4,6-trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzofuran-3-one
  • 2,4,6-trihydroxy-2-((4-hydroxyphenyl)methyl)-1-benzofuran-3-one
  • Mesopsin
  • 3(2H)-Benzofuranone, 2,4,6-trihydroxy-2-((4-hydroxyphenyl)methyl)-
  • 2,4,6-Trihydroxy-2-(4-hydroxybenzyl)benzofuran-3(2H)-one
  • Zeyherin
  • 2,4,6-Trihydroxy-2-[(4-hydroxyphenyl)methyl]benzofuran-3(2H)-one
  • Maesopsin, >=90% (LC/MS-ELSD)
  • 2,4,6-trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzouran-3-one
  • 2,4,6-Trihydroxy-2-[(4-hydroxyphenyl)methyl]-1-benzofuran-3(2H)-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
288.26 g/molcalc.
Exact mass
288.0634 Dacalc.
LogP (octanol/water)
1.31calc.
Topological polar surface area
107.2 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
21calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C1c2ccccc2OC1Cc1ccccc1

O=C1c2ccccc2OC1Cc1ccccc1

3 rings, 17 atoms.

14 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • 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

Maesopsin suppliers

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

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  • ChemFaces
    China, WuhanUnclaimed profile
    MaesopsinGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 1 country

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

Frequently asked questions

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

What is Maesopsin?

Maesopsin is a member of aurones.

What is the CAS number of Maesopsin?

The CAS registry number of Maesopsin is 5989-16-2.

What is the molecular formula and weight of Maesopsin?

The molecular formula of Maesopsin is C15H12O6 and its molar mass is 288.26 g/mol.

What is Maesopsin used for?

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

Is Maesopsin hazardous?

Maesopsin carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Maesopsin?

Maesopsin 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 Maesopsin?

CompoundList lists 1 supplier of Maesopsin 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 Maesopsin?

Suppliers quote Maesopsin 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

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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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