L-Tryptophan

• Product NameL-Tryptophan
  CAS No.73-22-3
  Purity100%
  Min Quantity100Metric Tons
  Price5~20
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  Molecular Structure

Detailed Description

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.
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• L-Tryptophan