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Quick Details

  • CAS No.: 73-22-3
  • Other Names: Tryptophan
  • MF: C11H12N2O2
  • EINECS No.: 200-795-6
  • Place of Origin: Zhejiang, China (Mainland)
  • Type: Feed Grade Amino Acids, Feed Grade Antibiotic & Antibacterial Agents, Feed Grade Enzymes, Feed Grade Minerals & Trace Elements, Feed Grade Proteins, Feed Grade Vitamins
  • Efficacy: Feed Preservatives, Promote Healthy & Growth, Promote Nutrition
  • Brand Name: Vega Tryptophan
  • Model Number: Tryptophan Powder
  • Color: White
  • Packing: 25kg/Drum
  • Standard: FCC/USP/BP/EP/CP
  • Certificate: ISO9001,GMP etc.
  • Shelf Life: 3 Years
  • Content: 99%
  • Appearance: Powder
  • Grade: Feed Grade
  • Name: Tryptophan
  • Website: WWW.VEGA-BIO.COM

Packaging & Delivery

Packaging Details Packing:25KG/Drum,Carton or Bag
Delivery Time In One Week After Order

Poultry Feed L-tryptophan/Tryptophan China 

Product Description


L-tryptophan is an amino acid, a protein building block that can be found in many plant and animal proteins. L-tryptophan is called an “essential” amino acid because the body can’t make it. It must be acquired from food.


MF C11H12N2O2
CAS No. 73-22-3
Brand Vega
GradePharma and food Grade
FunctionHealthy care
Purity98.5% to 101.5%
ColorWhite crystalline Powder
Packing Under your requirement



tryptophan specification









Specific rotation


-29.4°~ -32.8°







Sulphate SO42-



Ammonium NH4+






Heavy metal(Pb)






Residue on ignition



Loss on drying



p H






Packaging & Shipping

 Poultry Feed L-tryptophan/Tryptophan China


 25KG/Drum,Carton or Bag

Our Services

Poultry Feed L-tryptophan/Tryptophan China


Our advantages:

1. Have our own manufacturing site, mainly specialized in vitamins, amino acids, food additives, feed additives.

2. A broad range of high quality products, supported with outstanding quality control systems.

3. 15 years of experience, resulting in a solid reputation in the global animal health and nutrition industry.

4. Professional and outstanding logistic expertise.

5. Proven state of the art service and reliability.

6.Highly skilled scientific and technical staff, assuming product and market development, and guaranteeing optimal support to customers and suppliers on promotion, registration, marketing and sales.

7.Competence for product and concept development

Company Information

 Poultry Feed L-tryptophan/Tryptophan China

Company description:

Vega pharma is a high-tech company engaged in developing, manufacturing and marketing pharmaceutical, nutritional ingredients, animal health products and probiotics. It has decades years of experience in nutritional ingredients and animal health products manufacturing and has its own factories which approved with the GMP, ISO, Fami-Qs, etc. Our professional technology team also enables us to serve our customers with coating, microcapsule, microsphere solution and premix services.




Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
95 Transactions 2,000,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $1,134,000
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