L-Tryptophan 99% For Biochemistry

  • CAS :
    73-22-3
  • REF :
    26830
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QUANTITY PRICE ENQUIRY
5 gm Rs 230.00
25 gm Rs 1120.00

Product Information

  • Formula: C₁₁H₁₂N₂O₂
  • CAS: 73-22-3
  • EC No.: 200-795-6
  • M (Molar Mass): 204.23 g/mol
  • mp (Melting Point): 281-282°C (decomposes)
  • Specific Rotation: [α]²⁰D -30.0° to -33.0° (c=1 in water)
  • Appearance: White to off-white crystalline powder.

Chemicals Properties

  • Assay (Titration): ≥ 99.0 %
  • Appearance: White to off-white crystalline powder.
  • Identification (IR): Passes test.
  • Specific Rotation [α]²⁰D: -31.0° to -32.5°
  • Solubility (1% in water): Slightly soluble, may require heating.
  • Loss on Drying: ≤ 0.3 %
  • Residue on Ignition: ≤ 0.1 %
  • Chloride (Cl): ≤ 0.02 %
  • Sulfate (SO₄): ≤ 0.02 %
  • Heavy Metals (as Pb): ≤ 10 ppm

Hazard Information

  • Hazard: Not classified as hazardous.
  • Safety: For laboratory use only.
  • Storage: Store in a cool, dry place protected from light.