Qingdao Header International Trading Co., Ltd.

L-Tyrosine, Amino Acid, Chemicals manufacturer / supplier in China, offering L-Tyrosine 98.5-101.50% USP Grade, Vitamin D3 500, 000iu/G Gwc Food Grade, Stevia P. E. - Rebaudioside a 97% & Erythritol and so on.

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L-Tyrosine 98.5-101.50% USP Grade

FOB Price:US $9 / kg
Min. Order (kg) FOB Price
1+ US $9 / kg
Get Latest Price
Min. Order: 1 kg
Production Capacity: 5000kgs
Transport Package: Drums
Payment Terms: L/C, T/T

Basic Info.

Model NO.:Header
Certification:GMP, HSE, ISO 9001, USP, BP
Suitable for:Elderly, Children, Adult
Grade:USP, Bp, Ep
Appearance:White Crystal Powder
Specification:Hplc, usp grade
HS Code:38220090

Product Description

ItemSpecification (USP37)Result Methods 
AppearanceWhite powderConformsVisual
IdentificationInfrared AbsorptionConformsIR
Assay98.5 to 101.5%99.50%USP- ASSAY
(Calculated on the dried basis)
Specific rotation [α] 25D-9.8°to -11.2°-10.4°USP-781S
Loss on DryingNot more than 0.3 %0.22%USP-731
Residue on ignitionNot more than 0.4%0.18%USP-281
 Chloride (Cl)Not more than 0.04%<0.04%USP-221
 Sulfate (SO4)Not more than 0.04%<0.04%USP-221
 Iron (Fe)Not more than 30ppm<30ppmUSP-241
Heavy metals (Pb)Not more than 15ppm<15ppmUSP-231
LeadNot more than 3ppm<3ppmAFS
Chromatographic purityChromatographically not  detectableConformsUSP
Residual SolventsMeets the requirementsMeet the requirementsUSP
Total plate countLess than 1000 cfu/gConformsCP
Yeast  & moldsLess than 100 cfu/gConformsCP
Coliforms:Less than 10 cfu/gConformsCP
E ColiNegativeNegativeCP
Conclusion :Agree with the specification of USP37.

Qingdao Header International Trade Co., Ltd.who is one of the subsidiaries of Seawin Biotech Group, is a comprehensive international trading company entitled to import-export operation rights in China. Header is located in Qingdao, Shandong Province, one of the famous seaside opening cities and regional economic centers of China, offering a geographical advantage for us to develop supply services on dietary supplement and raw material for pharmaceutical chemicals and health care products. Since its establishment, Header has been committed to maintaining long-term and stable cooperation relationship with American customers, and aims to be one of the most influential pharmaceutical chemical suppliers in China. At present, Header has established a cooperative relationship with 160 factories in more than 30 provinces, cities and municipalities of China, selling its products to more than 20 countries and regions in the United States, Europe, Asia, etc. Relying on the high quality and reasonable price of its products, Header has become an important partner of American and Japanese companies, winning the trust and praises from customers all over the world.
Header is mainly engaged in the following products:
1. biochemical products (D-Glucosamine hydrochloride, chondroitin sulfate, MSM, Alpha Lipoic Acid, Kojic Acid Dipalmitate, Hyaluronic Aicd Sodium, etc.);
2. plant extracts (Resveratrol, Europe bilberry, stevia, grape seed, 5-HTP, etc.);
3. vitamin products (VC, VB1, VB6, VB5, etc.);
4. amino acid products (L-Tyrosine, N-Acetyl-L-Cysteine, etc.); 
We wish to establish a long-term win-win cooperative relationship with domestic and foreign customers!  
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Qingdao Header International Trading Co., Ltd.

- Shandong, China
- Trading Company

Gold Member Since 2015
Audited Supplier
  • Sample Available