Determine the necessary mass, volume, or concentration for preparing a solution.
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
3-Hydroxy-DL-kynurenine is a tryptophan metabolite with a molecular weight corresponding to 224Da. It is a chromophore or hydrophilic yellow compound present in the lens of the eye. 3-Hydroxy-DL-kynurenine is synthesized from kynurenine by the action of enzyme kynurenine 3-monooxygenase (KMO). It is metabolized to 3-hydroxyanthranilic acid and xanthurenic acid in the presence of enzymes kynureninase and kynurenine aminotransferases, respectively.
Application
3-Hydroxy-DL-kynurenine has been used:
as a substrate for the recombinant human kynureninase assay
as a reference standard in tandem mass spectrometry (MS/MS) analysis
as a control for quantifying serum 3-Hydroxy-DL-kynurenine levels in diabetic retinopathy patients
| Pubchem Sid | 504750348 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504750348 |
| Canonical Smiles | C1=CC(=C(C(=C1)O)N)C(=O)CC(C(=O)O)N |
| IUPAC Name | 2-amino-4-(2-amino-3-hydroxyphenyl)-4-oxobutanoic acid |
| InChIKey | VCKPUUFAIGNJHC-UHFFFAOYSA-N |
| INCHI | 1S/C10H12N2O4/c11-6(10(15)16)4-8(14)5-2-1-3-7(13)9(5)12/h1-3,6,13H,4,11-12H2,(H,15,16) |
| Isomeric SMILES | C1=CC(=C(C(=C1)O)N)C(=O)CC(C(=O)O)N |
| Alternate CAS | 484-78-6 |
| Molecular Weight | 224.21 |
| Reaxy-Rn | 2697635 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2697635&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic oxygen compounds |
| Class | Organooxygen compounds |
| Subclass | Carbonyl compounds |
| Intermediate Tree Nodes | Ketones - Aryl ketones - Phenylketones |
| Direct Parent | Alkyl-phenylketones |
| Alternative Parents | Butyrophenones Alpha amino acids o-Aminophenols Aniline and substituted anilines Gamma-keto acids and derivatives Aryl alkyl ketones Benzoyl derivatives 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids Beta-amino ketones Vinylogous amides Amino acids Monocarboxylic acids and derivatives Carboxylic acids Monoalkylamines Organopnictogen compounds Hydrocarbon derivatives Organic oxides |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Alkyl-phenylketone - Butyrophenone - Alpha-amino acid - Alpha-amino acid or derivatives - Gamma-keto acid - O-aminophenol - Aryl alkyl ketone - Aniline or substituted anilines - Benzoyl - Aminophenol - Phenol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Keto acid - Beta-aminoketone - Monocyclic benzene moiety - Benzenoid - Vinylogous amide - Amino acid or derivatives - Amino acid - Carboxylic acid - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organonitrogen compound - Primary amine - Hydrocarbon derivative - Organopnictogen compound - Organic oxide - Organic nitrogen compound - Amine - Primary aliphatic amine - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. |
| External Descriptors | hydroxykynurenine |
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Oct 30, 2025 | H168592 | |
| Certificate of Analysis | Jul 15, 2025 | H168592 | |
| Certificate of Analysis | Jul 15, 2025 | H168592 | |
| Certificate of Analysis | Feb 20, 2023 | H168592 | |
| Certificate of Analysis | Dec 08, 2022 | H168592 |
| Solubility | DMSO (Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly, Heated) |
|---|---|
| Sensitivity | Hygroscopic |
| Melt Point(°C) | >195°C |
| Molecular Weight | 224.210 g/mol |
| XLogP3 | -2.500 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 4 |
| Exact Mass | 224.08 Da |
| Monoisotopic Mass | 224.08 Da |
| Topological Polar Surface Area | 127.000 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 282.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Zhuangzhuang Li, Baoyan Ding, Mustafa R. K. Ali, Lizhen Zhao, Xiaoling Zang, Zhihua Lv. (2022) Dual Effect of Tryptamine on Prostate Cancer Cell Growth Regulation: A Pilot Study. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23 (19): (11087). [PMID:36232383] [10.3390/ijms231911087] |
| 2. Dezhen Wang, Xinru Wang, Ping Zhang, Yao Wang, Renke Zhang, Jin Yan, Zhiqiang Zhou, Wentao Zhu. (2016) The fate of technical-grade chlordane in mice fed a high-fat diet and its roles as a candidate obesogen. ENVIRONMENTAL POLLUTION, [PMID:28041837] [10.1016/j.envpol.2016.11.028] |