3,4-Dehydro-L-proline
3,4-Dehydro-L-proline (CAS: 4043-88-3) is a dehydroproline derivative with the molecular formula C5H7NO2 and a molecular weight of 113.11 g/mol. This compound serves as a valuable building block in organic synthesis and chemical biology research. Its unique structure makes it a key intermediate for constructing complex molecules and exploring novel biochemical pathways. Available from Tech Serve Solutions, it is supplied for research and development purposes.
- IUPAC
- (S)-3-Pyrroline-2-carboxylic acid,3,4-Didehydro-L-proline
- Synonyms
- (S)-3-Pyrroline-2-carboxylic acid3,4-Didehydro-L-proline

Chemical Synthesis
Utilised as a chiral building block in the synthesis of complex organic molecules and pharmaceutical intermediates. Its unsaturated pyrroline ring offers unique reactivity for further functionalisation.
Peptide Chemistry
Incorporated into peptide chains to create modified peptides with altered structural or functional properties. This unnatural amino acid derivative can influence peptide conformation and biological activity.
Biochemical Research
Employed in studies investigating enzyme mechanisms or as a probe for biological systems due to its structural similarity to proline. It can be used to explore interactions within biological pathways.
| Molecular weight | 113.11 |
|---|---|
| Empirical formula | C5H7NO2 |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3,4-Dehydro-L-proline used for?
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3,4-Dehydro-L-proline is primarily used as a building block in organic synthesis, peptide chemistry, and biochemical research due to its unique cyclic and unsaturated amino acid structure.
What is the CAS number and molecular formula for 3,4-Dehydro-L-proline?
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The CAS number is 4043-88-3, and the molecular formula is C5H7NO2.
What grade and purity does Tech Serve Solutions supply for 3,4-Dehydro-L-proline?
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Tech Serve Solutions supplies 3,4-Dehydro-L-proline typically as a research-grade chemical. Please refer to the product's Certificate of Analysis for specific assay and purity information. It is not represented as USP, BP, or EP grade.
How should 3,4-Dehydro-L-proline be handled safely?
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Based on available safety data, 3,4-Dehydro-L-proline requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Handle in a well-ventilated area and consult the Safety Data Sheet (SDS) for full handling procedures. It is classified under WGK Germany 3.
How is 3,4-Dehydro-L-proline packed and shipped?
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Tech Serve Solutions ensures that 3,4-Dehydro-L-proline is packed securely and in compliance with all relevant shipping regulations for export worldwide. Specific packaging details are available upon request.
How can I request a quote or sample of 3,4-Dehydro-L-proline?
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To request a quote or a sample of 3,4-Dehydro-L-proline, please contact our sales team via the website or by phone. Our representatives will be pleased to assist you.
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