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· · COA & SDS available for every product · Same-day shipping on in-stock items L-Cystine dimethyl ester dihydrochloride - ≥97% , CAS No.32854-09-4
Synonyms
J-018907 | NSC 161614 | dimethyl cystinate dihydrochloride | L-CYSTINE, 1,1'-DIMETHYL ESTER, HYDROCHLORIDE (1:2) | Dimethyl 3,3'-disulfanediyl(2R,2'R)-bis(2-aminopropanoate) dihydrochloride | L-Cystine dimethyl ester dihydrochloride | SCHEMBL1565156 | AKO
Storage
Argon charged,Room temperature
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Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
J-018907 | NSC 161614 | dimethyl cystinate dihydrochloride | L-CYSTINE, 1, 1'-DIMETHYL ESTER, HYDROCHLORIDE (1:2) | Dimethyl 3, 3'-disulfanediyl(2R, 2'R)-bis(2-aminopropanoate) dihydrochloride | L-Cystine dimethyl ester dihydrochloride | SCHEMBL1565156 | AKO
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Names and Identifiers Pubchem Sid 504760882 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504760882 Canonical Smiles COC(=O)C(CSSCC(C(=O)OC)N)N.Cl.Cl IUPAC Name methyl (2R)-2-amino-3-[[(2R)-2-amino-3-methoxy-3-oxopropyl]disulfanyl]propanoate;dihydrochloride InChIKey QKWGUPFPCRKKMQ-USPAICOZSA-N INCHI 1S/C8H16N2O4S2.2ClH/c1-13-7(11)5(9)3-15-16-4-6(10)8(12)14-2;;/h5-6H,3-4,9-10H2,1-2H3;2*1H/t5-,6-;;/m0../s1 Isomeric SMILES COC(=O)[C@H](CSSC[C@@H](C(=O)OC)N)N.Cl.Cl WGK Germany 3 PubChem CID 2724376 Molecular Weight 341.28 Beilstein 4727524 Reaxy-Rn 4727524
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification 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 Alpha amino acid esters Alternative Parents Cysteine and derivatives Dicarboxylic acids and derivatives Methyl esters Dialkyldisulfides Sulfenyl compounds Organopnictogen compounds Organic oxides Monoalkylamines Hydrochlorides Hydrocarbon derivatives Carbonyl compounds Molecular Framework Aliphatic acyclic compounds Substituents Alpha-amino acid ester - Cysteine or derivatives - Dicarboxylic acid or derivatives - Methyl ester - Carboxylic acid ester - Organic disulfide - Dialkyldisulfide - Sulfenyl compound - Organic nitrogen compound - Hydrochloride - Hydrocarbon derivative - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Primary aliphatic amine - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Amine - Aliphatic acyclic compound Description This compound belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Sensitivity Hygroscopic Specific Rotation[α] -41° (C=2,MeOH) Melt Point(°C) 182-183 °C Molecular Weight 341.300 g/mol XLogP3 Hydrogen Bond Donor Count 4 Hydrogen Bond Acceptor Count 8 Rotatable Bond Count 9 Exact Mass 340.009 Da Monoisotopic Mass 340.009 Da Topological Polar Surface Area 155.000 Ų Heavy Atom Count 18 Formal Charge 0 Complexity 216.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 2 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 3
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