Amino Acid D (+) -Tryptophan D-Tryptophan CAS 153-94-6 Tryptophan

What is D(+)-Tryptophan ?

D(+)-Tryptophan is an organic chemical with the chemical formula C11H12N2O2, which is a white or yellow crystalline powder. It is also occasionally found in natural peptides, such as marine toxic peptides. It is an important nutritional agent and is used as a preventive and therapeutic agent for leprosy in medicine.

GUANGXI KUNYA BIOTECHNOLOGY CO., LTD. is a manufacturer in China. Carries a full line of high quality Chemical Materials, such as Daily Chemicals, Industrial Chemicals, Food Chemicals etc. Excellent quality is not only the linchpin to ensure schedule, but the foundation to create effectiveness.
Since the foundation, the company has established a fine corporate image on the basis of fine products quality, an honest and trustworthy style of work and perfect technologic backing. Through effective cost management, good corporate reputation and excellent product quality, we are winning the trust of customers home and abroad.

1. Are you manufacturer or trading company?
· We are a manufacturer in China, also cooperate with other suppliers, integrating industry and trade.
· We have many domestic and foreign supply channels, in order to meet a large number of client needs.

2. How long have you been engaged in export trade?
· For a long time, our main market has been in China. In order to meet the requirements of foreign customers, we recently established an export department.
· We also hope that our products can enjoy a reputation abroad, and hope to make more friends with foreign customers.

3. What are your payment terms?
· Available TT, LC, Paypal, Credit Card etc., can be negotiated.

4. What is the delivery time?
· Usually about 7-15 days, depends on quantity and products.

5. What certifications do you provide?
· Approval ISO, CE certifications. · Provide COA, MSDS reports.