Ethyl 2-oxocyclopentanecarboxylate

CAS 611-10-9(O=)C5H7CO2C2H5Chemical Synthesis

Ethyl 2-oxocyclopentanecarboxylate (CAS: 611-10-9) is a versatile organic compound with the molecular formula C8H12O3 and a molecular weight of 156.18 g/mol. It is characterised as a carbonyl compound and an ester, frequently employed as a building block in chemical synthesis. Its applications are primarily within research and development, contributing to the stereoselective synthesis of complex molecules and pharmaceutical intermediates.

IUPAC: 2-(Ethoxycarbonyl)cyclopentanone,Ethyl cyclopentanone-2-carboxylate
Synonyms: 2-(Ethoxycarbonyl)cyclopentanoneEthyl cyclopentanone-2-carboxylate

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Ethyl 2-oxocyclopentanecarboxylate ((O=)C5H7CO2C2H5) — chemical structure, CAS 611-10-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC8 to C9Carbonyl CompoundsChemical SynthesisEsters

01 /Applications

Stereoselective Synthesis

Ethyl 2-oxocyclopentanecarboxylate has been utilised in the stereoselective synthesis of complex organic structures, such as (±)-cis,cis-spiro[4.4]nonane-1,6-diol.

Pharmaceutical Intermediate Synthesis

This compound serves as a valuable intermediate in the synthesis of various pharmaceutical agents, including its documented use in the synthesis of tanikolide.

Organic Building Block

As a functionalised cyclic ester, it is a key building block in organic chemistry laboratories for constructing more complex molecular frameworks.

02 /Properties

Molecular weight	156.18
Linear formula	(O=)C5H7CO2C2H5
Assay	95%
Boiling point	102-104 °C/11 mmHg(lit.)
Density	1.054 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.452(lit.)
Application	Ethyl 2-oxocyclopentanecarboxylate was used in stereoselective synthesis of (±)-cis,cis-spiro[4.4]nonane-1,6-diol1. It was also used in the synthesis of tanikolide2.

03 /Safety & handling

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	77 °C / 170.6 °F
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

611-10-9

MDL number

MFCD00001412

PubChem substance

24850232

Beilstein registry

387787

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Ethyl 2-oxocyclopentanecarboxylate used for?

Ethyl 2-oxocyclopentanecarboxylate is used as a building block in chemical synthesis, particularly in stereoselective syntheses and the preparation of pharmaceutical intermediates.

What are the CAS number and formula for Ethyl 2-oxocyclopentanecarboxylate?

The CAS number is 611-10-9, and its linear formula is (O=)C5H7CO2C2H5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Ethyl 2-oxocyclopentanecarboxylate with an assay of 95%. TSS does not represent this product as USP, BP, or EP grade.

How should Ethyl 2-oxocyclopentanecarboxylate be handled safely?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. Refer to the safety data sheet for full guidance on respiratory protection and chemical resistance, as it is combustible with a flash point of 77 °C (170.6 °F).

How is Ethyl 2-oxocyclopentanecarboxylate shipped and exported?

Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals and laboratory reagents, adhering to all relevant shipping and export regulations.