(R)-1-Cyclopropylethylamine
(R)-1-Cyclopropylethylamine (CAS: 6240-96-6), a chiral amine with the molecular formula C5H11N and a molecular weight of 85.15 g/mol, serves as a valuable building block in organic synthesis. Its stereospecific structure makes it particularly useful in asymmetric synthesis, enabling the creation of enantiomerically pure target molecules. This compound is frequently employed in the development of pharmaceuticals and other complex organic structures where precise stereochemistry is critical.

Chiral Building Block
Utilised as a key component in the stereoselective synthesis of complex organic molecules, particularly in the pharmaceutical industry. Its chiral nature allows for the introduction of specific stereocentres in drug candidates.
Asymmetric Synthesis
Essential reagent in asymmetric synthesis methodologies, facilitating the construction of enantiomerically enriched products. This is crucial for developing chiral drugs with specific biological activities.
Organic Synthesis Intermediate
Serves as an intermediate in multi-step synthetic routes for various organic compounds. Its amine functionality and chiral cyclopropyl group offer versatile reactivity for further chemical transformations.
| Molecular weight | 85.15 |
|---|---|
| Empirical formula | C5H11N |
| Assay | ≥98.5% (GC)99% |
| Optical purity | enantiomeric excess: ≥98.5% |



Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | T |
| Risk statements (R) | 10-25-34-52 |
| Safety statements (S) | 26-36/37/39-45 |
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)-1-Cyclopropylethylamine used for?
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(R)-1-Cyclopropylethylamine is primarily used as a chiral building block in asymmetric synthesis, particularly for developing pharmaceuticals and other complex organic molecules where precise stereochemistry is essential.
What are the CAS number and formula for (R)-1-Cyclopropylethylamine?
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The CAS number for (R)-1-Cyclopropylethylamine is 6240-96-6, and its molecular formula is C5H11N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-1-Cyclopropylethylamine with an assay of ≥98.5% (GC) and an optical purity (enantiomeric excess) of ≥98.5%. This product is not supplied as USP, BP, EP, or any other pharmacopoeia grade and is intended for research and chemical synthesis purposes.
How should (R)-1-Cyclopropylethylamine be handled?
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(R)-1-Cyclopropylethylamine is a flammable liquid and vapour, causes severe skin burns and eye damage, and is toxic if swallowed. Handle with extreme care in a well-ventilated area, using appropriate personal protective equipment (gloves, eye protection, respiratory protection) and keeping away from ignition sources.
Is (R)-1-Cyclopropylethylamine a controlled substance?
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The provided safety data does not indicate that (R)-1-Cyclopropylethylamine is a scheduled or controlled substance. However, users should always verify local regulations.
How is (R)-1-Cyclopropylethylamine shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. (R)-1-Cyclopropylethylamine is packed and shipped in accordance with international regulations for hazardous materials, ensuring safe transport worldwide.
How can I request a quote or sample?
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To request a quote or sample of (R)-1-Cyclopropylethylamine, please contact our sales department through the website or direct email, providing your contact details and intended use.
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