1. Product Introduction
L-Tryptophan
CAS NO. 73-22-3
Molecular Formula: C11H12N2O2
L-Tryptophan other names 2-Amino-3-(1H-indol-3-yl)propanoic acid, is called an essential amino acid because the human body can't make it. It must be acquired from food. L-Tryptophan is an amino acid that produces serotonin, melatonin, and kynurenine. L-Tryptophan supplements help with depression, anxiety, and insomnia.
2. Specification or COA
Test Items | Specifications |
Appearance | White crystals or crystalline powder |
Identification | Meets the requirement |
Specification rotation [α]D25 | -29.7°~-32.7° |
PH | 5.5~7.0 |
Chloride（Cl） | ≤0.05% |
Sulfate（SO4） | ≤0.03% |
Iron（Fe） | ≤30ppm |
Heavy metals（Pb） | ≤15ppm |
Loss on drying | ≤0.3% |
Residue on ignition | ≤0.1% |
Organic volatile impurities | Meets the requirement |
Assay | 98.5%~101.5% |
3. Product application
L-Tryptophan is an amino acid used for depression. It may also be used forinsomnia, sleep apnea, anxiety, facial pain, a severe form of premenstrual syndrome.
4. Packing & Delivery
Standard export neutral packing in 25KG/DRUM, 20’ FCL=10MT. 25KG/BAG, 20’FCL=12MT.
Stored in well-closed container at room temperature.
Available from stock of L-Tryptophan for prompt delivery
5. FAQ
Where did Meiyachem company come from?
Meiyachem was founded in Henan in 2005. Consistently with sister company KEMIACHEM CO., LIMITED, we are a global professional chemical solvents manufacturer and distributor through supplying solutions for a variety of chemicals with diverse applications and serve a wide range of industries.
Can I expect shorter lead times and simpler processes from Meiyachem?
Yes. Long experience and an unmatched portfolio of products and services enable Meiyachem to meet the customer's needs in terms of quality, scheduling and energy efficiency. Our intent is to simplify processes wherever it makes sense.
How can I place a sample order? and is there a charge?
Samples may be ordered via Meiyachem website and there is no associated charge.
What price can I get?
“Quick turnover and small profit” is a guiding principle of our sales promotion work. We maintain a flexible policy in price and make the maximum profit to customers.
Will Meiyachem be ISO certified?
Meiyachem is seeking ISO certification on its products.