L-Cysteine

• Product NameL-Cysteine
  CAS No.52-90-4
  Purity100%
  Min Quantity100Metric Tons
  Price5~20
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  Molecular Structure

Detailed Description

Supplier: Premium Ingredient Co.,Ltd
Product Name: L-Cysteine
Cas No.:52-90-4
Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g): about 16(20°)


Specific rotation: +8.3 to +9.5°
(transmittance): Not less than 95.0%
Chloride: Not more than 0.04%
Ammonium: Not more than 0.02%
Sulfate: Not more than 0.030%
Iron: Not more than 10ppm
Heavy metals(Pb): Not more than 10ppm
Arsenic: Not more than 1ppm
Other Amino Acids: conforms
Loss on drying: Not more than 0.5%
Residue on ignition(sulfated): Not more than 0.10%
Assay: 98.0 to 101.0%
PH: 4.5 to 5.5


Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 1 year
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• L-Cysteine