(R)-(+)-3-Methylcyclopentanone
(R)-(+)-3-Methylcyclopentanone (CAS 6672-30-6), a chiral ketone with the molecular formula CH3C5H7(=O), serves as a valuable building block in asymmetric synthesis. Its specific stereochemistry makes it essential for creating enantiomerically pure compounds, particularly in the pharmaceutical and fine chemical industries. This organic molecule is supplied by Tech Serve Solutions with a high assay, facilitating precise chemical transformations.

Chiral Building Block
(R)-(+)-3-Methylcyclopentanone is instrumental in constructing complex chiral molecules. Its defined stereocenter allows for stereoselective reactions, crucial in the synthesis of enantiomerically pure pharmaceuticals and agrochemicals.
Asymmetric Synthesis
This compound is employed as a starting material or intermediate in asymmetric synthesis pathways. It enables the introduction of chirality into target molecules, ensuring the production of specific enantiomers required for biological activity.
Organic Synthesis Intermediate
As a versatile ketone, it finds utility in various organic transformations. Its reactive carbonyl group and chiral nature allow for diverse derivatization and incorporation into larger molecular frameworks.
| Molecular weight | 98.14 |
|---|---|
| Linear formula | CH3C5H7(=O) |
| Assay | 99% |
| Boiling point | 143-144 °C(lit.) |
| Density | 0.914 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.434(lit.) |
| Optical activity | [α]23/D +148°, c = 4.5 in methanol |

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 | 37 °C / 98.6 °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 (R)-(+)-3-Methylcyclopentanone used for?
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(R)-(+)-3-Methylcyclopentanone is primarily used as a chiral building block in asymmetric synthesis for the creation of enantiomerically pure compounds, particularly in the pharmaceutical and fine chemical sectors.
What are the CAS number and formula for (R)-(+)-3-Methylcyclopentanone?
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The CAS number for (R)-(+)-3-Methylcyclopentanone is 6672-30-6, and its molecular formula is CH3C5H7(=O).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-3-Methylcyclopentanone with an assay of 99%. TSS does not represent this product as USP, BP, or EP grade.
How should (R)-(+)-3-Methylcyclopentanone be handled?
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(R)-(+)-3-Methylcyclopentanone is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area, away from ignition sources.
How is (R)-(+)-3-Methylcyclopentanone packed and shipped?
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This product is shipped according to transport regulations for flammable liquids, such as UN 1224C, Class 3, PGIII. Specific packaging details are available upon request.
How can I request a sample or quote for (R)-(+)-3-Methylcyclopentanone?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (6672-30-6).
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