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Quick Details

  • CAS No.: 73-22-3
  • MF: C11H12N2O2
  • EINECS No.: 200-795-6
  • Place of Origin: Shandong, China (Mainland)
  • Type: Vitamins, Amino Acids and Coenzymes
  • Grade Standard: Feed Grade
  • Usage: Animal Pharmaceuticals
  • Purity: 98%
  • color: White to pale yellow crystalline powder
  • usage: animal feed
  • Content: 98%min

Packaging & Delivery

Packaging Details 20KG PP bag, 20'fcl load 10mts without pallet, 9.6mts with pallet
Delivery Time 2 weeks after receipt of L/C or T/T remittance

Feed Grade Amino Acid Tryptophan 98%


Company Information

 Qingdao Good Prosper Imp. & Exp. Co., Ltd. established in 2004, is a reputable trading company specialized in exporting agricultural products from China. As a highly motivated and fast growing company, we have been able to achieve various innovations in the markets we deal with by working with selected big factories in related industries and enjoy the technical support and expertise offered by these enterprises.


    We strictly abide by the principles of “equality and mutual benefit trustworthiness and customers first” and has built up an extensive international sales net work. Our products are exported to Korean, Southeast Asia, Middle East, South America and Europe. We hope to establish a long-term and mutual benefit cooperation with clients from all over the world.

Product Description


L-Tryptophan is one of essential amino acids and the fourth limiting amino acid in animal diets, which means it could not be synthesized by the body, in addition, dietary supply through feed materials is usually insufficient. The deficiency of L-Tryptophan was generally characterized as decreased feed intake and efficiency, and slow growth rate.













Our Services

 1.High quality and competitive price.

2.Free sample for your evaluation.

3.Packaging can gear to buyers’special request.

4.Promptly delivery by well-reputed shipping lines.

5.We will inform you all the information at every stage in advance.


Any interest or more technical details, please feel free to contact us. We are always in the position to response your any requests.   

Transaction History of the Supplier

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China (Mainland) | Trading Company
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