Methyl 1-methylcyclopropyl ketone
Methyl 1-methylcyclopropyl ketone (CAS: 1567-75-5), with the molecular formula CH3C3H4COCH3 and a molecular weight of 98.14 g/mol, is a ketone chemical building block. This compound serves as a valuable intermediate in organic synthesis. Its structure, featuring a cyclopropyl ring adjacent to a carbonyl group, makes it useful for constructing more complex molecules, particularly in the development of pharmaceuticals and other fine chemicals. Tech Serve Solutions supplies this reagent for research and development purposes.

Organic Synthesis Intermediate
Methyl 1-methylcyclopropyl ketone is utilised as a building block in multi-step organic syntheses. Its reactive carbonyl group and cyclopropyl moiety allow for diverse chemical transformations.
Pharmaceutical Research
This ketone can be employed in the synthesis of novel pharmaceutical compounds. Its unique structural features may contribute to the biological activity of target molecules.
Fine Chemical Development
It serves as a precursor in the creation of various fine chemicals. Researchers can leverage its properties to develop new materials and specialised chemical products.
| Molecular weight | 98.14 |
|---|---|
| Linear formula | CH3C3H4COCH3 |
| Assay | 95% |
| Boiling point | 125-128 °C(lit.) |
| Density | 0.895 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.434(lit.) |

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 | 24 °C / 75.2 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-29-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Methyl 1-methylcyclopropyl ketone used for?
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Methyl 1-methylcyclopropyl ketone (CAS: 1567-75-5) is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and fine chemical development.
What is the CAS number and formula for Methyl 1-methylcyclopropyl ketone?
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The CAS number is 1567-75-5 and the linear formula is CH3C3H4COCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 1-methylcyclopropyl ketone with an assay of 95%. This product is supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should Methyl 1-methylcyclopropyl ketone be handled safely?
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Methyl 1-methylcyclopropyl ketone is a flammable liquid and vapour (H226). Handle it with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources. Store in a cool, well-ventilated place.
Is Methyl 1-methylcyclopropyl ketone a controlled substance?
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Based on the provided data, Methyl 1-methylcyclopropyl ketone is not indicated as a controlled substance.
How is Methyl 1-methylcyclopropyl ketone packed and shipped?
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Methyl 1-methylcyclopropyl ketone is classified under UN 1224C, Hazard Class 3, Packing Group III, indicating it is shipped as a flammable liquid.
How can I request a quote or sample?
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To request a quote or sample of Methyl 1-methylcyclopropyl ketone, please contact our sales department through the website or by phone, referencing the product CAS number 1567-75-5.
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