30199

L-Cystin

BioUltra, ≥99.5% (T)

• Synonym(e): (R,R)-3,3′-Dithio-bis-(2-aminopropionsäure)
• Lineare Formel: [-SCH₂CH(NH₂)CO₂H]₂
• CAS-Nummer: 56-89-3
• Molekulargewicht: 240.30
• UNSPSC Code: 12352200
• PubChem Substance ID: 57648416
• eCl@ss: 32160406
• EC Number: 200-296-3
• Beilstein/REAXYS Number: 1728094
• MDL number: MFCD00064228

Eigenschaften

• product line: BioUltra
• assay: ≥99.5% (T)
• form: powder or crystals
• optical activity: [α]20/D −219±5°, c = 1% in 1 M HCl
• impurities: insoluble matter, passes filter test, ≤0.3% foreign amino acids
• ign. residue: ≤0.05% (as SO₄)
• loss: ≤0.05% loss on drying, 20 °C (HV)
• color: white
• mp: >240 °C (dec.) (lit.)
• solubility: 1 M HCl: 0.2 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤500 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
• absorption: cut-off at 316 nm in 1 M HCl at 0.2 M
• SMILES string: N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
• 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
• InChI key: LEVWYRKDKASIDU-IMJSIDKUSA-N

Beschreibung

Other Notes

Certain malignant cell lines require cystine or cysteine in the culture medium; Growth requirement of various microorganisms

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• PSA (Persönliche Schutzausrüstung): Eyeshields, Gloves, type N95 (US)