DNP-L-proline
DNP-L-proline (CAS: 1655-55-6), with the molecular formula C11H11N3O6 and a molecular weight of 281.22 g/mol, is a key reagent used in amino acid analysis. It is particularly employed in the characterisation of peptides and proteins, aiding researchers in understanding complex biological structures and functions. Its reliable performance makes it a valuable tool in biochemical research and diagnostics.
- IUPAC
- N-(2,4-Dinitrophenyl)-L-proline

Amino Acid Analysis
DNP-L-proline is employed as a derivatisation reagent in the chromatographic analysis of amino acids. It reacts with amino groups to form a stable derivative that can be readily detected, facilitating the quantification of specific amino acids in complex samples.
Peptide and Protein Characterisation
This compound aids in the structural elucidation of peptides and proteins. By identifying specific amino acid residues, researchers can gain insights into protein sequences, modifications, and interactions, crucial for biochemical and pharmaceutical research.
Biochemical Research
As a specialised biochemical, DNP-L-proline serves as a valuable reagent in various research applications. Its consistent quality supports reproducible results in studies involving amino acid metabolism, peptide synthesis, and related biological processes.
| Molecular weight | 281.22 |
|---|---|
| Empirical formula | C11H11N3O6 |
| Storage temperature | −20°C |
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 DNP-L-proline used for?
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DNP-L-proline is primarily used as a derivatisation reagent for amino acid analysis and in the characterisation of peptides and proteins in biochemical research.
What are the CAS number and molecular formula for DNP-L-proline?
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The CAS number for DNP-L-proline is 1655-55-6, and its molecular formula is C11H11N3O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DNP-L-proline in grades suitable for research and analysis. Specific purity details are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should DNP-L-proline be handled and stored?
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DNP-L-proline should be handled with appropriate personal protective equipment. It is sensitive to light and should be stored refrigerated at -20°C. Refer to the Safety Data Sheet (SDS) for detailed handling and hazard information.
Is DNP-L-proline a controlled substance?
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Based on the provided data, DNP-L-proline is not listed as a controlled substance.
How are DNP-L-proline products packed and shipped?
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DNP-L-proline is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions in compliance with international shipping regulations for chemical reagents.
How can I request a sample or quote for DNP-L-proline?
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To request a sample or a quotation for DNP-L-proline, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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