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30089 Sigma

L-Cysteine

BioUltra, ≥98.5% (RT)

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

  • CAS Number 52-90-4

  • Linear Formula HSCH2CH(NH2)CO2H

  • Molecular Weight 121.16

  •  Beilstein Registry Number 1721408

  •  EC Number 200-158-2

  •  MDL number MFCD00064306

  •  PubChem Substance ID 57648406

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, Amino acids, BioUltra, Biochemicals and Reagents, Cell Biology,
InChI Key   XUJNEKJLAYXESH-REOHCLBHSA-N
product line   BioUltra
assay   ≥98.5% (RT)
optical activity   [α]20/D +8.0±0.5°, c = 5% in 5 M HCl
impurities   insoluble matter, passes filter test
  ≤0.5% foreign amino acids
ign. residue   ≤0.05% (as SO4)
loss   ≤0.05% loss on drying, 20 °C (HV)
mp   240 °C (dec.)(lit.)
solubility   1 M HCl: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  NH4+: ≤500 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in 1 M HCl
UV absorption   λ: 260 nm Amax: 1.5
  λ: 280 nm Amax: 0.2

Description

Biochem/physiol Actions

NMDA glutamatergic receptor agonist.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
HA1600000
Protocols & Articles

Articles

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.1 During the oxi...
Biofiles Volume 2 Article 2
Keywords: Adhesion, Anti-inflammatory agents, Applications, Cancer, Cardiovascular, Catalysis, Diabetes, Diseases, Gene expression, Metabolism, Neurodegenerative Diseases, Peroxidations, Phosphorylations, Prebiotics, Probiotics, Reductions, Transcription, Transduction, Vitamins

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 Chart

The hydrophobicity index is a measure of the relative hydrophobicity, or how soluble an amino acid is in water. In a protein, hydrophobic amino acids are likely to be found in the interior, whereas h...

Peer-Reviewed Papers
15

References

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