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D-Cysteine

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D-Cysteine Basic information
D-Cysteine Chemical Properties
  • Melting point:~230 °C (dec.)
  • Boiling point:293.9±35.0 °C(Predicted)
  • Density 1.334±0.06 g/cm3(Predicted)
  • storage temp. Keep in dark place,Inert atmosphere,2-8°C
  • pka2.07±0.10(Predicted)
  • form Crystalline Powder
  • color White
  • optical activity[α]20/D 7.6±1.0°, c = 5% in 5 M HCl
  • Water Solubility Soluble in water (partly).
  • Sensitive Air Sensitive
  • BRN 1721407
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference921-01-7(CAS DataBase Reference)
Safety Information
MSDS
D-Cysteine Usage And Synthesis
  • Chemical PropertiesWhite crystalline powder
  • Uses
    D-Cysteine has been used in the functionalization of QDs for applications in photocatalysis.
    It can also be used in the synthesis of:
    • cysteine-based chiral carbon dots (CDs)
    • D-luciferin and aminoluciferin analogs

  • DefinitionChEBI: An optically active form of cysteine having D-configuration.
  • Purification MethodsPurify it by recrystallisation from H2O (free from metal ions) and dry it in a vacuum. It is soluble in H2O, EtOH, Me2CO, EtOAc, AcOH, *C6H6 and CS2. Acidic solutions can be stored under N2 for a few days without deterioration. [For synthesis and spectra see Greenstein & Winitz Chemistry of the Amino Acids (J. Wiley) Vol 3 p1879 1961, Beilstein 4 III 1618, 4 IV 3144.]
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