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Heterocyclic building blocks

Methyl coumalate

Also known as Methyl 2-oxo-2H-pyran-5-carboxylate, Coumalic acid, methyl ester, 5-(Carbomethoxy)-2-pyrone

CAS 6018-41-3Formula C7H6O4Molar mass 154.12 g/molEC 227-871-1
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Methyl coumalate chemical structure, C7H6O4, CAS 6018-41-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6018-41-3
Formula
C7H6O4
Molar mass
154.12 g/mol
EC number
227-871-1
HS code
293220
Category
Heterocyclic building blocks

What is Methyl coumalate?

Plain description, key identifiers and synonyms

Methyl coumalate is a chemical substance with the molecular formula C7H6O4 and a molar mass of 154.12 g/mol. Its CAS registry number is 6018-41-3. The IUPAC name is methyl 6-oxopyran-3-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 6-oxopyran-3-carboxylate
CAS number
6018-41-3 CAS number cross-checked
EC number
227-871-1
Molecular formula
C7H6O4
UNII
1S7TMF0R8T
MDL number
MFCD00010120
InChIKey
HHWWWZQYHPFCBY-UHFFFAOYSA-N
InChI
InChI=1S/C7H6O4/c1-10-7(9)5-2-3-6(8)11-4-5/h2-4H,1H3
SMILES (canonical and isomeric)
COC(=O)C1=COC(=O)C=C1

Synonyms

  • Methyl 2-oxo-2H-pyran-5-carboxylate
  • Coumalic acid, methyl ester
  • 5-(Carbomethoxy)-2-pyrone
  • Methyl 2-pyrone-5-carboxylate
  • Coumalic acid methyl ester
  • Methyl cumalate
  • Cumalic acid methyl ester
  • 5-(Methoxycarbonyl)-2-pyrone
  • Glutaconic acid, 4-(hydroxymethylene)-, delta-lactone, methyl ester
  • 2H-Pyran-5-carboxylic acid, 2-oxo-, methyl ester (8CI)(9CI)
  • 2H-Pyran-5-carboxylic acid, 2-oxo-, methyl ester (8CI)
  • methyl 6-oxopyran-3-carboxylate
  • 2H-Pyran-5-carboxylic acid, 2-oxo-, methyl ester
  • Methyl 2-Oxopyran-5-carboxylate
  • 2-oxo-2H-pyran-5-carboxylic acid methyl ester
  • 2H-Pyran-5-carboxylic acid, methyl ester
  • Methyl coumalate, 98%
  • Methyl2-oxo-2H-pyran-5-carboxylate
  • methyl 6-oxo-6H-pyran-3-carboxylate
  • 2-Pyrone-5-carboxylic Acid Methyl Ester
  • 2-Oxopyran-5-carboxylic Acid Methyl Ester
  • 6-oxo-pyran-3-carboxylic acid methyl ester
  • 6-Oxo-6H-pyran-3-carboxylic acid methyl ester
  • Methyl 2-oxo-2H-pyran-5-carboxylate pound>>Coumal
  • Methyl2-oxo-2H-pyran-5-carboxylate,Methyl2-pyrone-5-carboxylate

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
154.12 g/molcalc.
Exact mass
154.0266 Dacalc.
LogP (octanol/water)
0.43calc.
Topological polar surface area
56.51 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.14calc.
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=c1cccco1

O=c1cccco1

1 ring, 7 atoms, the 2H-Pyran-2-one ring system.

509 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.

Methyl coumalate suppliers

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Where suppliers are based

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Methyl coumalate 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 Methyl coumalate is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Methyl coumalate, based on the data on this page

What is Methyl coumalate?

Methyl coumalate is a chemical substance with the molecular formula C7H6O4 and a molar mass of 154.12 g/mol. Its CAS registry number is 6018-41-3. The IUPAC name is methyl 6-oxopyran-3-carboxylate.

What is the CAS number of Methyl coumalate?

The CAS registry number of Methyl coumalate is 6018-41-3.

What is the molecular formula and weight of Methyl coumalate?

The molecular formula of Methyl coumalate is C7H6O4 and its molar mass is 154.12 g/mol.

What is Methyl coumalate used for?

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

Is Methyl coumalate hazardous?

No GHS hazard classification for Methyl coumalate 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 Methyl coumalate?

Methyl coumalate is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methyl coumalate?

CompoundList lists 1 supplier of Methyl coumalate 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 Methyl coumalate?

Suppliers quote Methyl coumalate 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 Methyl coumalate

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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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