Molekula
L-Kynurenine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Kynurenine is a naturally occurring amino acid involved in the kynurenine pathway of tryptophan metabolism, used in biochemical research and metabolic studies. It has a CAS number of 2922-83-0, a molecular formula of C10H12N2O3, and a molecular weight of 208.21 g/mol. It is stable at ambient temperature and does not require special handling. Molekula supplies L-Kynurenine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | white to light yellow powder |
| Water | max. 5.0 % |
| Specific rotation | -32.5 to -28.0 |
| Purity (HPLC) | ≥ 95 area-% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 191 °C |
Source: PubChem CID 161166 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90034118 |
| CAS Number | 2922-83-0 |
| IUPAC Name | (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid |
| Molecular Formula | C6H4(NH2)COCH2CH(NH2)COOH |
| Molecular Weight | 208.21 |
| Exact Mass | 208.0848 |
| SMILES | C1=CC=C(C(=C1)C(=O)C[C@@H](C(=O)O)N)N |
| InChIKey | YGPSJZOEDVAXAB-QMMMGPOBSA-N |
| InChI | InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1 |
| PubChem CID | 161166 |
| REACH Code | Y113 |
| HTS Code | 29225040 |
| Tariff Code | 2922500090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid
- (S)-Kynurenine
- 2-amino-4-(2-aminophenyl)-4-oxobutanoic acid
- 3-Anthraniloyl-L-alanine
- 3-Anthraniloylalanine
- 4-(2-aminophenyl)-2-azaniumyl-4-oxobutanoate
- Benzenebutanoic acid, alpha,2-diamino-gamma-oxo-
- Kynurenine
- KYNURENINE, (A+-)-
- Kynurenine, L-
Frequently asked questions
What is L-Kynurenine used for?
L-Kynurenine is primarily used in biochemical research as a precursor in the kynurenine pathway of tryptophan metabolism, and in studies of neuroprotection, inflammation, and metabolic disorders.
What is the chemical formula and molecular weight of L-Kynurenine?
The chemical formula is C₆H₄(NH₂)COCH₂CH(NH₂)COOH, and the molecular weight is 208.21 g/mol.
How should L-Kynurenine be stored?
Store L-Kynurenine at ambient temperature in a dry, well-ventilated area, away from direct sunlight and moisture.
What grades of L-Kynurenine does Molekula supply?
Molekula supplies L-Kynurenine as a white to light yellow powder with a purity (HPLC) of at least 95 area-%, a maximum water content of 5.0 % and a specific rotation of -32.5 to -28.0.
Can Molekula supply L-Kynurenine in bulk quantities?
Yes, Molekula can provide L-Kynurenine in bulk quantities upon request, subject to availability and minimum order quantities.
What documentation comes with an order of L-Kynurenine?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet for traceability and compliance.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.