L-Cystine [56-89-3]

L-Cystine [56-89-3], a member of the Amino Acids family, possesses the molecular formula [-SCH2CH(NH2)CO2H]2 and a molecular weight of 240.30. This compound is structurally classified as a disulfide amino acid, which As per the provided data, it carries a Warning signal word due to its characteristics. L-Cystine, specifically this SKU, conforms to USP32 standards, boasting a purity range of 98.5% to 101.5%. It appears as white crystals or a crystalline powder, with an approximate particle size of 80 mesh/ 165 micron. Other confirmed properties include a specific rotation of -215° to -225°, a maximum iron content of 0.003%, and a loss on drying of up to 0.20%. Safety considerations may require the use of safety goggles and gloves during handling.

• CAS Number: 56-89-3
• Molecular Weight: 240.30
• Grade: USP32
• Assay: 98.5% to 101.5%
• Exact Mass: 240.02384922
• Molecular Formula: [-SCH2CH(NH2)CO2H]2
• GHS Signal Word: Warning
• Hazard Statements:
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]