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30170 Sigma-Aldrich

L-Cysteic acid monohydrate

≥99.0% (T)

Synonym: (R)-2-Amino-3-sulfopropionic acid

  • CAS Number 23537-25-9

  • Linear Formula HO3SCH2CH(NH2)CO2H·H2O

  • Molecular Weight 187.17

  •  Beilstein/REAXYS Number 3714036

  •  MDL number MFCD00149544

  •  PubChem Substance ID 24858207

  •  NACRES NA.26

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Properties

Related Categories Amino Acids, Biochemicals and Reagents, Chemical Biology, Chemical Synthesis, Cysteine Derivatives,
Quality Level   200
assay   ≥99.0% (T)
form   powder or crystals
optical activity   [α]20/D +7.5±0.5°, c = 5% in H2O
application(s)   LC/MS: suitable
  peptide synthesis: suitable
color   white to faint yellow
mp   267 °C (dec.) (lit.)
solubility   H2O: soluble
SMILES string   [H]O[H].N[C@@H](CS(O)(=O)=O)C(O)=O
InChI   1S/C3H7NO5S.H2O/c4-2(3(5)6)1-10(7,8)9;/h2H,1,4H2,(H,5,6)(H,7,8,9);1H2/t2-;/m0./s1
InChI key   PCPIXZZGBZWHJO-DKWTVANSSA-N

Description

Application

Internal standard for amino acid analysis.

Biochem/physiol Actions

L-Cysteic acid is a sulfur containing aspartate analogue that may be used as a competitive inhibitor of the bacterial aspartate:alanine antiporter (AspT) exchange of aspartate and in other aspartate biological systems. L-Cysteic acid is used in monomeric surfactant development.

L-cysteic acid is an oxidation product of L-cysteine. L-Cysteic acid, an analogue of cysteine sulfinic acid, may be used in studies of excitatory amino acids in the brain, such as those that bind to cysteine sulfinic acid receptors. L-Cysteic acid is a useful agonist at several rat metabotropic glutamate receptors (mGluRs).

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites

Related Content

Amino Acids Reference Charts

Amino acids are the compounds or building blocks that make up peptides and proteins. Each amino acid is structured from an amino group and a carboxyl group bound to a tetrahedral carbon. This carbon ...
Keywords: Building blocks, Gene expression, Mass spectrometry

Peer-Reviewed Papers
15

References

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