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HomeProduct name listD-Cysteine

D-Cysteine

Synonym(s):(S)-2-Amino-3-mercaptopropionic acid

  • CAS NO.:921-01-7
  • Empirical Formula: C3H7NO2S
  • Molecular Weight: 121.16
  • MDL number: MFCD00066461
  • EINECS: 213-062-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-09 19:38:33
D-Cysteine Structural

What is D-Cysteine?

Chemical properties

White crystalline powder

The Uses of D-Cysteine

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

What are the applications of Application

D-Cysteine is an unnatural isomer of cysteine

Definition

ChEBI: An optically active form of cysteine having D-configuration.

Purification Methods

Purify 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.]

Properties of D-Cysteine

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
solubility  Aqueous Acid (Slightly), Water (Slightly)
form  Crystalline Powder
pka 2.07±0.10(Predicted)
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 Reference 921-01-7(CAS DataBase Reference)

Safety information for D-Cysteine

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P330:Rinse mouth.

Computed Descriptors for D-Cysteine

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