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| | D-Cysteine Basic information |
| Product Name: | D-Cysteine | | Synonyms: | D-Cysteine >=99% (RT);D-Cysteine, 98%, 98%;H-D-CYS-OH;D-CYS-OH;D-CYSTEINE;BETA-MERCAPTOALANINE;(S)-2-AMINO-3-MERCAPTOPROPIONIC ACID;RARECHEM AB PP 1441 | | CAS: | 921-01-7 | | MF: | C3H7NO2S | | MW: | 121.16 | | EINECS: | 213-062-0 | | Product Categories: | Amino Acids | | Mol File: | 921-01-7.mol |  |
| | 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 | | 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. | | LogP | 0.230 (est) | | CAS DataBase Reference | 921-01-7(CAS DataBase Reference) |
| | D-Cysteine Usage And Synthesis |
| Chemical Properties | White 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
| | 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.] |
| | D-Cysteine Preparation Products And Raw materials |
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