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778672 Sigma-Aldrich

L-Cysteine

produced by Wacker Chemie AG, Burghausen, Germany, ≥98.0%

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

  • CAS Number 52-90-4

  • Linear Formula HSCH2CH(NH2)CO2H

  • Molecular Weight 121.16

  •  Beilstein/REAXYS Number 1721408

  •  EC Number 200-158-2

  •  MDL number MFCD00064306

  •  PubChem Substance ID 329767985

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Properties

Related Categories Amines, Building Blocks, C2 to C5, Chemical Synthesis, Nitrogen Compounds - Organic Building Blocks,
grade   produced by Wacker Chemie AG, Burghausen, Germany
InChI Key   XUJNEKJLAYXESH-REOHCLBHSA-N
assay   ≥98.0%
optical activity   [α]/D 8 to 9.5°
impurities   ≤0.5% ninhidrin positive substances (each)
  ≤10 ppm heavy metals
  ≤300 ppm ammonium
ign. residue   ≤0.1%
loss   ≤0.5% loss on drying
mp   240 °C (dec.) (lit.)
anion traces   chloride (Cl-): ≤0.04%
  sulfate (SO42-): ≤0.03%
cation traces   Fe: ≤10 ppm
suitability   clear, colorless for appearance of solution

Description

Application

L-Cysteine has been used as a standard for the quantification of low-molecular-weight (LMW) thiols extracted from Arabidopsis thaliana tissues by HPLC.

Biochem/physiol Actions

NMDA glutamatergic receptor agonist.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
HA1600000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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