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30199 Sigma

L-Cystine

BioUltra, ≥99.5% (T)

Synonym: (R,R)-3,3′-Dithiobis(2-aminopropionicacid)

  • CAS Number 56-89-3

  • Linear Formula [-SCH2CH(NH2)CO2H]2

  • Molecular Weight 240.30

  •  Beilstein Registry Number 1728094

  •  EC Number 200-296-3

  •  MDL number MFCD00064228

  •  PubChem Substance ID 57648416

  •  eCl@ss 32160406

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Properties

Related Categories Amino Acids, Amino acids, BioUltra, Biochemicals and Reagents, Cell Biology,
InChI Key   LEVWYRKDKASIDU-IMJSIDKUSA-N
product line   BioUltra
assay   ≥99.5% (T)
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)
mp   >240 °C (dec.)(lit.)
solubility   1 M HCl: soluble0.2 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤500 mg/kg
  sulfate (SO42-): ≤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   absorption0.2M/316 nm, 1 M HCl cut-off

Description

Other Notes

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

Price and Availability


Laboratory Gloves

All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

Protocols & Articles

Related Content

Amino Acids Reference Chart

The hydrophobicity index is a measure of the relative hydrophobicity, or how soluble an amino acid is in water. In a protein, hydrophobic amino acids are likely to be found in the interior, whereas h...

Peer-Reviewed Papers
15

References

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