Language
Grade: food grade, pharmaceutical grade
Factory Location: Shandong
Main Sales Markets: North America,Western Europe,Eastern Europe,Australasia,Middle East,Africa
Packaging Information: 25.0kg/drum
Sample Provided: yes
Payment Terms: T/T in advance
Product name: L-Tryptophan
Description: White or yellow slightly crystalline powder
Structure:
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L-Tryptophan |
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IUPAC name Tryptophan or (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid |
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Other names 2-Amino-3-(1H-indol-3-yl)propanoic acid |
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Identifiers |
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CAS number |
73-22-3 |
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PubChem |
6305 |
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ChemSpider |
6066 |
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UNII |
8DUH1N11BX |
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ChEMBL |
CHEMBL54976 |
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IUPHAR ligand |
717 |
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ATC code |
N06AX02 |
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Properties |
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Molecular formula |
C11H12N2O2 |
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Molar mass |
204.23 g mol−1 |
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Solubility inwater |
Soluble: 0.23 g/L at 0 °C, 11.4 g/L at 25 °C, |
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Solubility |
Soluble in hot alcohol, alkali hydroxides; insoluble in chloroform. |
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Acidity (pKa) |
2.38 (carboxyl), 9.39 (amino) |
Product function:
L-Tryptophan is a naturally occurring amino-acid. It is a precursor for the mood-regulating serotonin the brain neurotransmitter linked with pleasure and fulfilment. L-Tryptophan's is used to alleviate depression, support alcohol withdrawal and to aid weight loss. It plays an important role in our diets, and aging individuals are often in need of it as a supplement.
Specification:
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Test Items |
PECIFICATION |
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Description: |
White or yellow slightly |
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Specific Rotation: |
–30.50 to –32.5degree |
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PH: |
5.5~6.4 |
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Chloride (Cl): |
0.05% Max |
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Sulfate: |
NMT0.03% |
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Heavy Metals: |
NMT 0.0015% |
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Arsenic: |
NMT1ppm |
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Iron: |
NMT 0.003% |
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Loss on drying: |
NMT 0.3% |
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Residue on Ignition: |
NMT 0.1% |
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Assay: |
99.0-101.0% |