DL-Kynurenine
DL-Kynurenine (CAS 343-65-7), with the molecular formula C10H12N2O3 and a molecular weight of 208.21 g/mol, is an important biological compound. It plays a role in tryptophan metabolism and is involved in various physiological processes. This chemical is primarily used in research settings for studies in chemical biology, chemical synthesis, and as an unnatural amino acid derivative in peptide chemistry.
- IUPAC
- 2-Amino-3-(2-aminobenzoyl)propionic acid,2-Amino-4-(2-aminophenyl)-4-oxobutyric acid

Chemical Biology Research
DL-Kynurenine serves as a valuable tool in chemical biology research, aiding investigations into metabolic pathways and cellular functions. Its involvement in tryptophan metabolism makes it a key compound for studying biological processes.
Chemical Synthesis Intermediate
This compound is utilised as an intermediate in chemical synthesis. It provides a building block for the creation of more complex organic molecules and is relevant in the development of novel chemical entities.
Peptide Chemistry Applications
As an unnatural amino acid derivative, DL-Kynurenine finds application in peptide chemistry. It can be incorporated into synthetic peptides to study structure-activity relationships or to impart unique properties.
| Molecular weight | 208.21 |
|---|---|
| Empirical formula | C10H12N2O3 |
| Assay | ≥95.0% (NT) |
| Melting point | ~235 °C (dec.) |
| 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 DL-Kynurenine used for?
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DL-Kynurenine is used in chemical biology research, as an intermediate in chemical synthesis, and in peptide chemistry as an unnatural amino acid derivative. It is involved in tryptophan metabolism.
What are the CAS number and formula for DL-Kynurenine?
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The CAS number for DL-Kynurenine is 343-65-7 and its molecular formula is C10H12N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Kynurenine with an assay of ≥95.0% (NT). We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should DL-Kynurenine be handled?
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DL-Kynurenine has a WGK Germany rating of 3, indicating it is hazardous. Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended.
Is DL-Kynurenine a controlled substance?
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The provided data does not indicate that DL-Kynurenine is a controlled substance.
How is DL-Kynurenine shipped?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, including DL-Kynurenine. We adhere to all necessary regulations for international shipping.
How can I request a sample or quote for DL-Kynurenine?
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To request a sample or a quote for DL-Kynurenine, please contact our sales team through the TSS website or via direct inquiry.
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