≥90%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice 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.
Cystathionine is an intermediate in the biosynthesis of the amino acid cysteine.
Cystathionine is used as a substrate to differentiate and analyze cystathionine gamma-lyase(s).
| Canonical Smiles | C(CSCC(C(=O)O)N)C(C(=O)O)N |
|---|---|
| IUPAC Name | 2-amino-4-(2-amino-2-carboxyethyl)sulfanylbutanoic acid |
| InChIKey | ILRYLPWNYFXEMH-UHFFFAOYSA-N |
| INCHI | 1S/C7H14N2O4S/c8-4(6(10)11)1-2-14-3-5(9)7(12)13/h4-5H,1-3,8-9H2,(H,10,11)(H,12,13) |
| Isomeric SMILES | C(CSCC(C(=O)O)N)C(C(=O)O)N |
| Molecular Weight | 222.26 |
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 acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Amino acids, peptides, and analogues |
| Intermediate Tree Nodes | Amino acids and derivatives - Alpha amino acids and derivatives |
| Direct Parent | Cysteine and derivatives |
| Alternative Parents | Alpha amino acids Thia fatty acids Dicarboxylic acids and derivatives Amino acids Sulfenyl compounds Dialkylthioethers Carboxylic acids Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Cysteine or derivatives - Alpha-amino acid - Thia fatty acid - Dicarboxylic acid or derivatives - Fatty acid - Fatty acyl - Amino acid - Carboxylic acid - Thioether - Sulfenyl compound - Dialkylthioether - Organic nitrogen compound - Organopnictogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Amine - Carbonyl group - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as cysteine and derivatives. These are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. |
| External Descriptors | cystathionines |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 B2317706 | Certificate of Analysis | Jun 17, 2025 | D136654 |
| K2118376 | Certificate of Analysis | Sep 15, 2023 | D136654 |
| K2118377 | Certificate of Analysis | Sep 15, 2023 | D136654 |
| C2127295 | Certificate of Analysis | Jan 12, 2023 | D136654 |
| C2127298 | Certificate of Analysis | Jan 12, 2023 | D136654 |
| B2317649 | Certificate of Analysis | Jan 06, 2023 | D136654 |
| B2317694 | Certificate of Analysis | Jan 06, 2023 | D136654 |
| Solubility | Miscible with water., Miscible with water. |
|---|---|
| Melt Point(°C) | 281 °C |
| Molecular Weight | 222.260 g/mol |
| XLogP3 | -6.000 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 7 |
| Exact Mass | 222.067 Da |
| Monoisotopic Mass | 222.067 Da |
| Topological Polar Surface Area | 152.000 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 212.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 2 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Lili Zhang, Wen Duan, Yan Huang, Yuyu Zhang, Baoguo Sun, Dandan Pu, Yizhuang Tang, Chao Liu. (2020) Sensory taste properties of chicken (Hy-Line brown) soup as prepared with five different parts of the chicken. INTERNATIONAL JOURNAL OF FOOD PROPERTIES, [PMID:] [10.1080/10942912.2020.1828455] |
| 2. Lu Wang, Limei Xiao, Shoujing Zheng, Jie Pang, Jiebo Chen. (2024) Characterization and assessment of free amino acids in different varieties of sugarcane. INDUSTRIAL CROPS AND PRODUCTS, [PMID:] [10.1016/j.indcrop.2024.118306] |
