2-Methyl-2-cyclopenten-1-one

CAS 1120-73-6CH3C5H5(=O)Chemical Synthesis

2-Methyl-2-cyclopenten-1-one (CAS: 1120-73-6), with the molecular formula C6H8O and a molar mass of 96.13 g/mol, is a cyclic ketone. This compound serves as a versatile building block in organic synthesis. It is particularly useful for constructing more complex molecules in the pharmaceutical and chemical industries. Available from Tech Serve Solutions with a typical assay of 98%, it is suitable for research and development purposes.

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2-Methyl-2-cyclopenten-1-one (CH3C5H5(=O)) — chemical structure, CAS 1120-73-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC3 to C6Carbonyl CompoundsChemical SynthesisKetones

01 /Applications

Organic Synthesis Intermediate

2-Methyl-2-cyclopenten-1-one is widely employed as an intermediate in the synthesis of various organic compounds. Its reactive carbonyl group and enone structure allow for diverse chemical transformations.

Building Block for Complex Molecules

This compound acts as a valuable building block in the construction of complex molecular architectures. It is frequently utilised in multi-step synthetic pathways within academic research and industrial R&D.

Chemical Research and Development

Utilised in laboratory settings for the exploration of new synthetic routes and the development of novel chemical entities. Its properties make it a useful reagent for chemists.

02 /Properties

Molecular weight	96.13
Linear formula	CH3C5H5(=O)
Assay	98%
Boiling point	158-161 °C(lit.)
Density	0.979 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.479(lit.)
Storage temperature	2-8°C

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	49 °C / 120.2 °F
Transport (UN / ADR)	UN 1224C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10
Safety statements (S)	16-27-36/37/39

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

04 /Identifiers & registry

CAS number

1120-73-6

MDL number

MFCD00012275

PubChem substance

24858352

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 2-Methyl-2-cyclopenten-1-one used for?

2-Methyl-2-cyclopenten-1-one is primarily used as a versatile building block and intermediate in organic synthesis, particularly in chemical research and the development of complex molecules.

What are the CAS number and molecular formula for 2-Methyl-2-cyclopenten-1-one?

The CAS number is 1120-73-6 and the molecular formula is C6H8O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2-Methyl-2-cyclopenten-1-one with a typical assay of 98%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.

How should 2-Methyl-2-cyclopenten-1-one be handled safely?

2-Methyl-2-cyclopenten-1-one is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area, away from ignition sources. Store at 2-8°C.