Complaint
Product Details
L-tryptophan, also known as α - aminoindolylpropic acid, molecular formula: C11H12N2O2, white to yellowish white crystal or crystalline powder. It is odorless or slightly odorous, and colored when exposed to light for a long time. It is stable when heated in dark with acid. It is easy to decompose when coexisting with other amino acids, sugars and aldehydes. Used as food fortifier and antioxidant. It is also used in medicine and other fields. It is synthesized from indolealdehyde. It can also be prepared by trypsin decomposition and synthesis.
Product Name | L-Tryptophan Powder | |||
Grade | Food/Feed Grade | |||
Appearance | White crystalline Powder | |||
CAS | 73-22-3 | |||
Specification | 99% | |||
Storage | Keep in cool & dry place, stay away from strong light and heat | |||
Shelf Life | 24 months | |||
Our services
1) One to one business communication.
2) Any inquiries will be replied within 12 hours.
3) We offer convenient one-station purchasing service.Our professionaland thoughtful after-sales service eliminates your worries.
4) We has 10 years' exporting experience in active pharmaceutical ingredient products.,Strictly on selecting raw materials.
5) OEM/ODM Available.
6) Reasonable & competitive price, fast lead time.
7) Sample is available for your evaluation & Formulation development.
8) Faster delivery: Sample order in stock and 3-5 workdays for bulk production.
9) Excellent after-sale service.
Quality Assurance
COA will be provided before making payment.
Product standards strictly complies to COA.
If any quality problem verified , 100% replace product or return payment.
If still feel worried, sample can be provided.
Packaging & Delivery
Packing : | 1kg/bag ,25kg/bag;25kg/drum; according to your requirements |
Transit: | Fedex, TNT,DHL,EMS,and so on. |
Port: |
Shanghai/Tianjin/Dalian/Beijing/Xi'an |
Lead Time : | 3-5 working days upon received the payment |
For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. | |
Company Profile
Hefei Joye Import Export Co., Ltd. is a new import and export trade company established in 2011. The Customs Registration Code of our company is 3401961603. Our company's trading system becomes mature and stable. Our company has already established marketing channels. We have customers all over the world. We have also expanded our business scale. Our products: 1) Chemical raw materials: pharmaceutical intermediates, plant extracts, food additives & spices. These products are widely used in pharmaceutical industry, chemical industry, food industry and other industries. 2) Building materials: steel, flooring, fence, glass and so on 3) Hardware: screws and bearings, architectural hardware, chains, locks and so on Our products are affordable. Welcome to consult us. Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We adhere to the tenet of "Pragmatic, Serious, Responsible, Efficient". We provide the best services and high quality products.
