Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate

4-氧代四氢-2H-吡喃-3-羧酸甲酯

Also known as: 2H-Pyran-3-carboxylic acid, tetrahydro-4-oxo-, methyl ester, 4-Oxotetrahydropyran-3-carboxylic acid methyl ester, Methyl 4-oxotetrahydropyran-3-carboxylate, Methyl tetrahydro-4H-pyran-4-one-3-carboxylate, Methyl tetrahydro-4H-pyran-4-one-3-carboxylate-4, Methyl-4-oxotetrahydro-2h-pyran-3-carboxylic acid, methyl 4-oxooxane-3-carboxylate

Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate (CAS 127956-11-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10O4 and a molecular weight of 158.152 g/mol. It is also known as 2H-Pyran-3-carboxylic acid, tetrahydro-4-oxo-, methyl ester, 4-Oxotetrahydropyran-3-carboxylic acid methyl ester and Methyl 4-oxotetrahydropyran-3-carboxylate. Key properties include a boiling point of 236.4±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 98.8±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
127956-11-0
Jingsj CID
J-1486462-1
Molecular Formula
C7H10O4
Chinese Name
4-氧代四氢-2H-吡喃-3-羧酸甲酯
Molecular Weight
158.152 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point236.4±30.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point98.8±24.6 °C

Frequently Asked Questions

What is the CAS number of Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate?

The CAS number of Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate is 127956-11-0.

What are the molecular formula and molecular weight of Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate?

Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate has molecular formula C7H10O4 and molecular weight 158.152 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyl 4-oxotetrahydro-2H-pyran-3-carboxylate (CAS 127956-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1486462-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.