Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide

4-氧代四氢-2H-硫代吡喃-3-羧酸乙酯-1,1-二氧化物

Also known as: Ethyl 1,1,4-trioxo-1λ⁶-thiane-3-carboxylate, ethyl 1,1,4-trioxothiane-3-carboxylate, Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide (alternate spelling)

Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide (CAS 889946-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12O5S and a molecular weight of 220.24300 g/mol. It is also known as Ethyl 1,1,4-trioxo-1λ⁶-thiane-3-carboxylate, ethyl 1,1,4-trioxothiane-3-carboxylate and Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide (alternate spelling). Key property: a boiling point of 422.5±45.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
889946-17-2
Jingsj CID
J-1003666-2
Molecular Formula
C8H12O5S
Chinese Name
4-氧代四氢-2H-硫代吡喃-3-羧酸乙酯-1,1-二氧化物
Molecular Weight
220.24300 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point422.5±45.0°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide?

The CAS number of Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide is 889946-17-2.

What are the molecular formula and molecular weight of Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide?

Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide has molecular formula C8H12O5S and molecular weight 220.24300 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate 1,1-dioxide (CAS 889946-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1003666-2 (accessed 2026-10-24).

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