L-Cysteine 99% For Biochemistry

  • CAS :
    52-90-4
  • REF :
    25010
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QUANTITY PRICE ENQUIRY
5 gm Rs 230.00
25 gm Rs 630.00
500 gm Rs 7370.00

Product Information

  • Formula: C₃H₇NO₂S
  • CAS: 52-90-4
  • EC No.: 200-158-2
  • M (Molar Mass): 121.16 g/mol
  • mp (Melting Point): 240°C (decomposes)
  • Specific Rotation: [α]²⁰D +6.5° to +8.0° (c=2 in 1N HCl)
  • Solubility: Soluble in water; slightly soluble in ethanol

Chemicals Properties

  • Assay (Iodometric): ≥ 99.0%
  • Appearance: White crystalline powder
  • Identification (IR): Passes test
  • Specific Rotation: [α]²⁰D = +7.0° ± 0.5° (c=2 in 1N HCl)
  • Loss on Drying: ≤ 0.5%
  • Residue on Ignition: ≤ 0.1%
  • Heavy Metals (as Pb): ≤ 20 ppm
  • Iron (Fe): ≤ 10 ppm
  • Chloride (Cl): ≤ 0.02%
  • Sulfate (SO₄): ≤ 0.02%
  • Related Amino Acids (HPLC): ≤ 0.5%

Hazard Information

  • Hazard: May be harmful if swallowed. Causes eye irritation.
  • Safety: For laboratory use only. Avoid inhalation of dust.
  • Storage: Store in tightly closed container at 2-8°C. Protect from light and air.