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L-TRYPTOPHAN - DFI-592508

Published:22/01/2019

Description

Molecular FormulaC11H12N2O2
Molecular weight204.23
CAS No.73-22-3
Shelf life24 months
StoragePreserve in tight containers at room temperature
Country of ManufactureChina

Specification

IdentificationInfrared absorption
Specific Rotation-29.4 to -32.8º
pH5.5 to 7
Loss on drying<0.3%
Residue on ignition<0.1%
Chloride (Cl)<0.05%
Sulfate<0.03%
Iron (Fe)<0.003%
Heavy metals<0.0015%
Organic Volatile ImpuritiesMeets the requirements
Assay(Titration)98.5 to 101.5%

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