L(-)-Cystin 99%
Kst.-Flasche, 500 g
Anbieter: Thermo Fisher Scientific
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Product Details & Documents
Synonyme: (R)-(-)-Cystine, (2R,2'R)-3,3'-Disulphanediylbis(2-aminopropanoic acid), (H-Cys-OH)2
- CAS Nummer:56-89-3
- Formel:HOOCCH(NH₂)CH₂SSCH₂CH(NH₂)COOH
- MDL-Nummer:MFCD00064228
- Molekulargewicht:240.3 g/mol
- Merck-Index:13,02811
- Siedepunkt:428 °C (1013 hPa)
- Schmelzender Platingehalt:260…261 °C
- Dichte:1,677 g/cm³ (20 °C)
- Lagertemperatur:Raumtemperatur
- EINECS:200-296-3
Dokumente
ACRO11180
Sicherheitsdatenblatt (SDS)
Technische Daten
Ergebnisse des Spezifikationstests
- Appearance:White to almost white Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (1 g, 105°C, 3 h)
- Sulfated ash:≤0.1 %
- Specific optical rotation:-210° to -224° (20°C, 589 nm) (c=2, 1 M HCl) (on dried substance)
- Titration excess NaOH:≥98.5 % (On dried substance)
- Chloride (Cl):≤200 ppm
- Sulfate (SO4):≤300 ppm
- Ammonium (NH4):≤200 ppm
- Iron (Fe):≤10 ppm
- Heavy metals (as Pb):≤10 ppm
Technische Daten
- Packung:Kst.-Flasche
- VE:500 g



