2470

L-Cystine

• Synonym(e): L-Cystine, (Cys)₂
• Empirische Formel (Hill-System): C₆H₁₂N₂O₄S₂
• CAS-Nummer: 56-89-3
• Molekulargewicht: 240.30
• MDL-Nummer: MFCD00064228
• UNSPSC-Code: 12352209

Eigenschaften

• Assay: ≥98% (Macro-Kjeldahl method)
• Qualitätsniveau: 100
• Form: crystalline powder; crystals
• Optische Aktivität: [α]20/D -218 to -224°, c = 2 in 1 M HCl
• Hersteller/Markenname: Calbiochem^®
• Lagerbedingungen: OK to freeze
• Farbe: white
• Anionenspuren: chloride (Cl^-): ≤0.02%; sulfate (SO₄^2-): ≤0.02%
• Kationenspuren: As: ≤1 ppm; NH₄⁺: ≤0.02%; heavy metals: ≤10 ppm
• Versandbedingung: ambient
• Lagertemp.: 15-25°C
• InChI: 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
• InChIKey: LEVWYRKDKASIDU-IMJSIDKUSA-N

Beschreibung

Allgemeine Beschreibung

Non-essential amino acid for human development. Has an optimal pH of 5.0-6.5.

Warnhinweis

Toxicity: Standard Handling (A)

Angaben zur Herstellung

Solubility may be enhanced by lowering the pH to <2.0 or raising the pH to >8.0.

Rechtliche Hinweise

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable