L-Cystine 98.5% For Biochemistry

  • CAS :
    56-89-3
  • REF :
    25012
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QUANTITY PRICE ENQUIRY
25 gm Rs 480.00
100 gm Rs 1490.00
500 gm Rs 5580.00

Product Information

  • Formula: C₆H₁₂N₂O₄S₂
  • CAS: 56-89-3
  • EC No.: 200-296-3
  • M (Molar Mass): 240.30 g/mol
  • mp (Melting Point): 260°C (decomposes)
  • Specific Rotation: [α]²⁰D -215° to -225° (c=1 in 1N HCl)
  • Solubility: Very slightly soluble in water; insoluble in ethanol

Chemicals Properties

  • Assay (HPLC): ≥ 98.5%
  • Appearance: White crystalline powder
  • Identification (IR): Passes test
  • Specific Rotation: [α]²⁰D = -220° ± 5° (c=1 in 1N HCl)
  • Loss on Drying: ≤ 0.2%
  • Residue on Ignition: ≤ 0.1%
  • Heavy Metals (as Pb): ≤ 10 ppm
  • Chloride (Cl): ≤ 0.02%
  • Sulfate (SO₄): ≤ 0.02%
  • Related Amino Acids (HPLC): ≤ 0.5%
  • Solubility in HCl: Completely soluble in dilute HCl

Hazard Information

  • Hazard: Not classified as hazardous.
  • Safety: For laboratory use only. Avoid inhalation of dust.
  • Storage: Store in tightly closed container at room temperature. Protect from light.