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L-Tryptophan

  • CAS No.: 73-22-3
  • Purity: 100%
  • Min quantity: 100 Metric Tons
  • Price: USD 5~20/Kilograms
  • Place of Orign: Jiangyin,Jiangsu,China
Ms.Amelia Bai

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Item specifics

  • Product Name.:L-Tryptophan
  • CAS No: 73-22-3
  • Weight: 204.22518
  • Formula: C11H12N2O2
  • Melting Point: 280-285 ºC
  • Boiling Point: 447.9 °C at 760 mmHg
  • Density: 1.34

Details

Supplier: Premium Ingredient Co.,Ltd

Product Name: L-Tryptophan
Cas No.: 73-22-3
Quality Standard: USP30, aji92, feed grade. Following specifications are indicated according to usp30.

Assay: 98.5% to 101.5%
Identification: Infrared absorption
Specific rotation: -29.4° to -32.8°
PH: 5.5 to 7.0
Loss on drying: Not more than 0.3%
Residue on ignition: Not more than 0.1%
Chloride: Not more than 0.05%
Sulfate: Not more than 0.03%
Iron: Not more than 0.003%
Heavy metals: Not more than 0.0015%
Organic volatile impurities: Meets the requirements


Storage: Preserve in well-closed containers.
L-Tryptophan

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