L-Cysteinsure
Bezeichnung:L-Cysteinsure
CAS-Nr498-40-8
Englisch Name:L-CYSTEIC ACID
CBNumberCB3362712
SummenformelC3H7NO5S
Molgewicht169.16
MOL-Datei498-40-8.mol
Synonyma
L-Cysteinsure
L-Cysteinsure physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 260℃ (dec.) |
| alpha | [α]D20 +7.5～+9.5° (c=7.4, H2O) |
| Dichte | 1.775±0.06 g/cm3(Predicted) |
| Brechungsindex | 8 ° (C=5, H2O) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| Löslichkeit | Methanol (Slightly), Water (Slightly) |
| pka | 1.3(at 25℃) |
| Aggregatzustand | Powder or Crystalline Powder |
| Farbe | White to off-white |
| Optische Aktivität | +8.66 (H2O) |
| Wasserlöslichkeit | almost transparency |
| Merck | 14,2780 |
| CAS Datenbank | 498-40-8(CAS DataBase Reference) |
| EPA chemische Informationen | L-Alanine, 3-sulfo- (498-40-8) |
