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 |
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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal 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 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.
| Pubchem Sid | 488179533 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488179533 |
| Sonrisas canónicas | C(C(C(=O)O)N)SSCC(C(=O)O)N |
| IUPAC Name | 2-amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid |
| InChIKey | LEVWYRKDKASIDU-UHFFFAOYSA-N |
| INCHI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12) |
| Isómeros SMILES | C(C(C(=O)O)N)SSCC(C(=O)O)N |
| WGK Alemania | 3 |
| Peso molecular | 240.3 |
| Beilstein | 1728095 |
| Reaxy-Rn | 1728091 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1728091&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 acids and derivatives |
| Clase | 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 Dicarboxylic acids and derivatives Dialkyldisulfides Amino acids Sulfenyl compounds Carboxylic acids Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Cysteine or derivatives - Alpha-amino acid - Dicarboxylic acid or derivatives - Organic disulfide - Dialkyldisulfide - Amino acid - Sulfenyl compound - Carboxylic acid - Hydrocarbon derivative - Organic nitrogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Amine - Organopnictogen compound - Organic oxide - Aliphatic acyclic compound |
| Descripción | 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 | Other amino acids |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Aug 11, 2025 | C100539 | |
| Certificate of Analysis | Nov 25, 2023 | C100539 | |
| Certificate of Analysis | Nov 25, 2023 | C100539 | |
| Certificate of Analysis | Nov 25, 2023 | C100539 | |
| Certificate of Analysis | Nov 25, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | May 12, 2023 | C100539 | |
| Certificate of Analysis | Jul 20, 2022 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 | |
| Certificate of Analysis | Oct 11, 2021 | C100539 |
| Solubilidad | Soluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol |
|---|---|
| Rotación específica [α] | -2.0 to +2.0 deg(C=1,1mol/L HCl) |
| Punto de fusión (°C) | 227°C |
| Peso molecular | 240.300 g/mol |
| XLogP3 | -6.300 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 7 |
| Exact Mass | 240.024 Da |
| Monoisotopic Mass | 240.024 Da |
| Topological Polar Surface Area | 177.000 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 192.000 |
| 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 |
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