DL-Proline
DL-Proline (CAS: 609-36-9; Formula: C5H9NO2; Molar Mass: 115.13 g/mol) is a racemic amino acid derivative. It is a valuable building block in organic synthesis, particularly in the development of pharmaceuticals and complex organic molecules. DL-Proline finds applications in chemical biology and peptide chemistry, serving as a key component in research and development efforts across various scientific disciplines.
- IUPAC
- (±)-Pyrrolidine-2-carboxylic acid
- Synonyms
- (±)-Pyrrolidine-2-carboxylic acid

Chemical Synthesis
DL-Proline serves as a chiral auxiliary and building block in asymmetric synthesis. Its pyrrolidine ring structure is incorporated into various organic molecules, contributing to the development of novel compounds.
Peptide Chemistry
As a proline derivative, DL-Proline can be used in the synthesis of peptides. It influences peptide structure and conformation, which is important in biochemical research and drug discovery.
Chemical Biology Research
DL-Proline is employed in studies related to amino acid metabolism and protein structure. Its involvement in biological pathways makes it a useful probe in biochemical investigations.
| Molecular weight | 115.13 |
|---|---|
| Empirical formula | C5H9NO2 |
| Assay | ≥98.0% (NT) |
| Melting point | 208 °C (dec.)(lit.)~210 °C (dec.) |
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 DL-Proline used for?
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DL-Proline is primarily used in chemical synthesis, peptide chemistry, and chemical biology research as a building block and chiral auxiliary.
What are the CAS number and formula for DL-Proline?
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The CAS number for DL-Proline is 609-36-9, and its empirical formula is C5H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Proline with an assay of ≥98.0% (NT). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for DL-Proline?
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DL-Proline (CAS 609-36-9) has a melting point of approximately 208-210 °C (dec.). It is classified under WGK Germany 3. Please consult the Safety Data Sheet for detailed hazard information and recommended handling procedures.
How is DL-Proline packed, shipped, and exported?
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DL-Proline is carefully packed to ensure product integrity during transit. Tech Serve Solutions is experienced in exporting fine chemicals globally.
How can I request a sample or quote for DL-Proline?
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To request a sample or a detailed quote for DL-Proline, please contact our sales team through the website or by phone.
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