(S)-1-Cyclopropylethylamine
(S)-1-Cyclopropylethylamine (CAS: 195604-39-8), with the molecular formula C5H11N and a molecular weight of 85.15, is a chiral amine. It is a valuable building block in organic synthesis, particularly in asymmetric synthesis. This compound serves as a key intermediate for the development of complex molecules, offering a specific stereochemical configuration essential for targeted applications in chemical research and development.

Chiral Building Block
Utilised as a chiral synthon in the construction of enantiomerically pure complex molecules. Its cyclopropyl and ethylamine functionalities allow for diverse synthetic transformations.
Asymmetric Synthesis
A key intermediate in asymmetric synthesis, enabling the preparation of specific stereoisomers. This is crucial for developing pharmaceuticals and agrochemicals where chirality dictates biological activity.
Organic Synthesis Intermediate
Serves as a versatile intermediate in multi-step organic synthesis pathways. Its reactive amine group and chiral centre facilitate the introduction of specific structural motifs.
| 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
- 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
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-34 |
| 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 (S)-1-Cyclopropylethylamine used for?
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(S)-1-Cyclopropylethylamine is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in organic synthesis for creating complex molecules.
What are the CAS number and formula for (S)-1-Cyclopropylethylamine?
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The CAS number for (S)-1-Cyclopropylethylamine is 195604-39-8, and its empirical formula is C5H11N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-1-Cyclopropylethylamine with an assay of ≥98.5% (GC) and an enantiomeric excess of ≥98.5%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations for handling (S)-1-Cyclopropylethylamine?
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(S)-1-Cyclopropylethylamine is classified as a dangerous substance. It is highly flammable (H225) and causes severe skin burns and eye damage (H314). Always handle with appropriate personal protective equipment in a well-ventilated area, avoiding ignition sources.
How is (S)-1-Cyclopropylethylamine packed and shipped?
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As a specialist global supplier, Tech Serve Solutions ensures secure and compliant packing for all chemicals, including (S)-1-Cyclopropylethylamine, for export worldwide.
How can I request a quote or sample?
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To request a quote or sample of (S)-1-Cyclopropylethylamine, please contact our sales team through the website or by phone.
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