Product name:	L-Tryptophan
CAS NO.:	73-22-3
Sample:	Provide
MOQ:	1g
Color:	White
Form:	Powder
Purity:	99%
Other	Improve nutrition, enhance physical fitness, used in nutrition and biochemical research, preparation of tissue media.

Changzhou Xuanming Pharmaceutical Technology Co., Ltd.(Former name Changzhou Xuanming Chemical Co., Ltd.) After more than ten years of development, the company has become a technology company. Including R&D, production, import and export trade.The company takes customer first and quality first as the principle.To provide excellent service and high quality products to our customers.The products sold by the company have been well received by users and have a high market share at home and abroad.Pharmaceutical intermediates, pesticide intermediates, fine chemicals are the best-selling domestic and international markets.
        The production base of Changzhou Xuanming Pharmaceutical Technology Co., Ltd. is located in the industrial park of Jiangxi Province.In Beijing, Tianjin and Jiangsu, we have thousands of square meters of scientific research centers for small trial research and development and pilot scale up, and we have strong technical support from colleges and universities."Technology first, quality is the basis, the customers first, honesty and trustworthiness is the basis" is the business philosophy of our company.The company always takes the customer's demand as the direction of our efforts.We will continue to work hard to develop new areas of fine chemicals.And to green, environmental protection, high-tech goals.Changzhou Xuanming Pharmaceutical Technology Co.,Ltd. is willing to serve you with sincerity.

★ The company has been established for more than 10 years with      rich export experience and experienced transportation team.
★ Awesome after sales.1 to 1 customer service to solve any problems from the beginning of the inquiry to the receipt of goods
★ Quality is guaranteed.

1,Q:Are you a manufacturing company or a trading company?
   A:We are a production factory and a foreign trade company.

2,Q:How long does it take to receive the samples?
   A:About one week.

3,Q:Do you offer free samples?
    A:Yes,you only need to pay freight.(Product price <  $200)

4,Q:Do you test all goods before delivery?
   A:Yes.
5,Q:Do you have discount?
   A:Yes, for larger quantities, we always offer support at a better price.