High quality CAS no 73-22-3 L-Tryptophan

Basic Info

Model No.: X-CAS 73-22-3

CAS No.:: 73-22-3

MF:: C11H12N2O2

Appearance:: Powder

MP:: 289-290 °C (dec.)(lit.)

Density:: 1.34

Refractive Index: -32 ° (C=1, H2O)

MW:: 204.23

Additional Info

Packaging: 5KGS Fibre Drum 1ton/pallet 10tons/20

Productivity: 100000kg per month


Transportation: Ocean,Land,Air

Place of Origin: Shandong, China (Mainland)

Supply Ability: in stock

Certificate: ISO CE

HS Code: 2933990090

Port: Shanghai,Tianjin,Qingdao

Product Description

High quality CAS no 73-22-3 L-Tryptophan


1,Nutrition and biochemical studies, preparation of tissue culture medium. Improve nutrition, enhance physical fitness. For biochemical research, medicine used as a sedative. Egg white protein, fish, corn flour, etc. contain tryptophan to limit amino acids, rice and other cereals in the content of less. With lysine, methionine, threonine used to strengthen the amino acid. The addition of 0.02% tryptophan and 0.1% lysine to the maize product significantly increased the protein titer.

2,Amino acid infusion and an important component of synthetic amino acid preparation. Can treat niacin deficiency.

3,Amino acids. For amino acid infusion. Often combined with iron, vitamins, etc., and VB6 combined to improve depression, prevention and treatment of rough skin disease; as an insomnia sedative with L-dopa for the treatment of Parkinson’s disease. On the experimental animals have carcinogenic; nausea, anorexia, sleep and other adverse reactions. Avoid combination with monoamine oxidase inhibitors.


We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.

Our Adventage

1.Stable quality, high quality satisfy customer’s high grade sourcing request.

2.Competitive price .

3.Correct delivery time promise.

4.Continuous improvement make sure the long-term cooperation.

5.Honest service for your whole sourcing process


1.Cooperate with research institutions, we strictly control the process from raw material to finished product.

2.The customer comes first, we provide reasonable price, high quality product and prompt shipment.

3.We can send the goods to your delivery address directly. It is relatively safe and fast. We have ready goods in stock.
4.Quick and clear response to customers questions.
5.Warm after sale service, we will help to solve the problems in your usage.
5.We could make our price discount if you place a substantial order with us.

Product expansion
1> Cosmetic Raw Materials: Cosmetics is a variety of raw materials through a reasonable deployment of processing from the compound mixture. Cosmetics with a wide range of raw materials, different performance. According to the Raw Material properties and uses of cosmetics, can be divided into matrix materials and auxiliary raw materials in two categories.
2> Active Pharmaceutical Ingredients(API): API refers to the raw materials in the production of various types of preparations, which is the active ingredient in powder,crystal and paste for medicine use through chemical synthesis,plant extract, and preparations of biotechnology institute.
3> Fragrance And Spices: Spices are an important part of fine chemicals, it is composed of natural spices, synthetic spices and single fragrance.
4> Organic Raw Material: Intermediates are also known as organic intermediates. The use of coal tar or petroleum products as raw materials to produce dyes, resins, additives, and other intermediates.
5> Chemicals Used In Paints: Paint, the traditional Chinese name is paint. So-called coating is coated on the surface of the object that be protected or be adornment, and with the continuous film coating to form strong adhesion.
6> Pharmaceutical Intermediates: The so-called pharmaceutical intermediates, refers to the production of pharmaceutical products in the process, the use of raw materials, materials, accessories and other intermediate products.
7> Agricultural Chemicals: Research and agriculture related chemical, including pesticide, plant growth regulator, fertilizer, compound fertilizer, herbicide etc.

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