Tryptophan, also known as β-indolyl alanine, is an organic compound with the chemical formula C11H12N2O2, which is one of the essential amino acids of the human body.
Tryptophan is an important precursor to auxin biosynthesis in plants. Its structure is similar to IAA, it is ubiquitous in higher plants, and it is also a precursor to the important neurotransmitter 5-hydroxytryptamine in humans.
| Product Name |
L-Tryptophan |
| Purity |
99.0%min |
| Product Grade |
Food Grade; Pharmaceutical Grade; Feed Grade |
| Classification |
Amino acids |
| Appearance |
White crystalline powder |
It can be used as a nutritional supplement for pregnant women and a special milk powder for milk children, for niacin deficiency (pellagra), as a sedative, can regulate mental rhythm and improve sleep, and is also one of the raw materials of compound amino acid infusion.
Powder Products
1~25KG: Aluminium foil bags + Carton
≥25KG: Aluminium foil bags + Fibreboard drum
Liquid Products
Plastic bottle, Plastic drum or Iron drum
Payment:
T/T, PayPal, Western Union, RMB and etc.
Delivery:
By sea, air, train, DHL/Fedex/UPS/TNT, EMS and etc.
Xi'an Jianyuan Chemical Co., Ltd. is specializing in Raw Materials of Chemical, Pharmaceutical and Food industries over than 10 years in China. Our business covers more than 100 countries in America, Europe, Middle East and other areas.
We can offer raw materials with great quality, competitive price, complete certifications, and related usage guidance. We integrated the best factory resources in China, and established long-term cooperative relationships.
We can guarantee the goods can be delivered to customers smoothly and fastly. We established good cooperation with SF Express, ZTO Freight, DHL, FedEx, Maersk, MSC and other domestic and international logistics companies.
Whether pre-sale, in-sale, or after-sale, we can provide our customers with the information and support they need most. We're responsible to the business of our customers.
Our tenet is to achieve our customers, support customers to grow and strengthen their business.
Looking forward to cooperating with the customers from all over the world!
Q1. Can I have a sample order for your product?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A: Usually need 3-5 days, mass production time usually needs 1-2 weeks. The exact lead time need to be confirmed according to exact product and quantity.
Q3. How do you ship the goods?
A: For small quantity, we can ship by DHL, UPS, FedEx or TNT to make it fastest to arrive. For big quantity, we can ship by air, sea, train according to exact situation. We also support DDP shipping.
Q4. How to proceed an order?
A: 1.let us know your requirements or application.
2.We quote according to your requirements or our suggestions, and confirm the details with you.
3. We will send you proforma invoice with payment information to help you to process payment.
4. We will arrange the product for you.
5. And we will also offer good service during the shipping and after you receive products.
6. We can offer the usage guidance as well.
Q5: How to deal with the faulty?
A: Firstly, we have strict quality control system and will take care of the quality for you.
Secondly, we will help you to solve the problems in case there's a problem.
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