Detailed Product Description

Product name:L-Tryptophan       

Batch No.                            Production date:  

Report date                        Shelf life:1years

Description     White crystals or crystalline Powder.

Identification   Conforms                   


       Item                            Limit                Result

 Assay                         98.5%--101.5%        99.4%

 pH                                   5.5--7.0                6.0

 Specific rotation [a]D20  -29.4°-- -32.8 °     -31.3°

 Appearance          White crystals orCrystalline powder        conforms

 Chloride(Cl)                       ≤0.05%             <0.05%

 Sulfate(SO4)                      ≤0.03%             <0.03%

 Iron(Fe)                             ≤30ppm             <30ppm

 Heavy metals(Pb)               ≤15ppm             <15ppm

 Organic volatile                 Meets the             Meets the

   impurities                     requirements          requirements

Loss on drying                     ≤0.3%                0.10%

 Residue on ignition             ≤0.1%                 0.04%   

 Conclusion             Above items passed test according to the

                                    Standard of USP24.

Verified Company Profile

Company Profile

Basic Information

Company Name: Shanghai Brightol International Co., Ltd. 
Business Type: Manufacturer, Trading Company, Agent  
Product/Services: Botanical extract, amino acid, nutraceutical, nutritional supplement, food additive, nutrition ingredient, nutraceutical ingredient, pharmaceutical ingredient  
Registered Address: Rm. 145, No.18, West Zhenshan Rd.,Xiaokunshan, Songjiang, Shanghai, China Zip: 201616  
Number of Employees: 11 - 50 People  

Ownership & Capital

Year Established: 2008  
Legal Representative/Business Owner: Ms. Mi Wang  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe

Factory Information

Contract Manufacturing: OEM Service Offered  

Verified Contact Information

Company Name: Shanghai Brightol International Co., Ltd.
Street Address: Rm402,No.317,Nong 455,North of Yushu Rd,Songjiang District
City: Shanghai
Province/State: Shanghai
Country/Region: China
Zip: 201620
Telephone: 86-21-67751063
Mobile Phone: 008615026674545
Fax: 86-21-51686554

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