DNP-L-alanine
N-(2,4-Dinitrophenyl)-L-alanine (CAS: 1655-52-3) is an organic compound with the molecular formula C9H9N3O6 and a molecular weight of 255.18 g/mol. It is a derivative of the amino acid alanine, featuring a 2,4-dinitrophenyl group. This compound is primarily utilised in biochemical research and as a reagent in amino acid analysis, contributing to the characterisation and study of peptides and proteins.
- IUPAC
- N-(2,4-Dinitrophenyl)-L-alanine

Amino Acid Analysis Reagent
Utilised as a derivatising agent for the quantitative analysis of amino acids, particularly in chromatography. It aids in the detection and separation of amino acid residues in complex biological samples.
Biochemical Research
Serves as a valuable tool in biochemical studies, enabling researchers to investigate protein structure, function, and modification. Its specific chemical properties are leveraged in various analytical techniques.
Peptide Characterisation
Employed in the analysis and characterisation of peptides. It can be used to identify specific amino acid sequences or modifications within peptide chains.
| Molecular weight | 255.18 |
|---|---|
| Empirical formula | C9H9N3O6 |
| Storage temperature | −20°C |
| 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 N-(2,4-Dinitrophenyl)-L-alanine used for?
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N-(2,4-Dinitrophenyl)-L-alanine is primarily used as a reagent in amino acid analysis and for biochemical research, particularly in the characterisation of peptides and proteins.
What are the CAS number and formula for N-(2,4-Dinitrophenyl)-L-alanine?
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The CAS number is 1655-52-3, and the empirical formula is C9H9N3O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-(2,4-Dinitrophenyl)-L-alanine for research and laboratory use. The specific grade and purity are available upon request and are not represented as USP, BP, or EP grade.
How should N-(2,4-Dinitrophenyl)-L-alanine be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Refer to the Safety Data Sheet (SDS) for comprehensive safety information. It carries a WGK Germany rating of 3, indicating significant hazard.
Is N-(2,4-Dinitrophenyl)-L-alanine a controlled substance?
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Based on the provided data, N-(2,4-Dinitrophenyl)-L-alanine is not listed as a controlled substance.
How is N-(2,4-Dinitrophenyl)-L-alanine packed, shipped, and exported?
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Tech Serve Solutions expertly handles the packing, shipping, and global export of N-(2,4-Dinitrophenyl)-L-alanine, adhering to all relevant regulations for chemical transport.
How can I request a quote or sample?
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To request a quote or a sample of N-(2,4-Dinitrophenyl)-L-alanine, please contact our sales team through the website or by direct inquiry.
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