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Home > Products > Pharmaceutical Intermediate > Factory Direct Supply Pharmaceuticals and Nutraceuticals USP Grade 98-101.50%Min L-Tyrosine

Factory Direct Supply Pharmaceuticals and Nutraceuticals USP Grade 98-101.50%Min L-Tyrosine

Payment Type: L/C, T/T
Min. Order: 1 Bag/Bags

Basic Info

Model No.: Header

Product Description

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

Usage:Pharmaceutical Raw Material, Cosmetics


Specification:Hplc, usp grade


HS Code:38220090

Item Specification (USP37) Result Methods
Appearance White powder Conforms Visual
Identification Infrared Absorption Conforms IR
Assay 98.5 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 Drying Not more than 0.3 % 0.22% USP-731
Residue on ignition Not 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 <30ppm USP-241
Heavy metals (Pb) Not more than 15ppm <15ppm USP-231
Lead Not more than 3ppm <3ppm AFS
Chromatographic purity Chromatographically not detectable Conforms USP
Residual Solvents Meets the requirements Meet the requirements USP
Total plate count Less than 1000 cfu/g Conforms CP
Yeast & molds Less than 100 cfu/g Conforms CP
Coliforms: Less than 10 cfu/g Conforms CP
E Coli Negative Negative CP
Salmonella Negative Negative CP
Pseudomonas Negative Negative CP
S.Aureus Negative Negative CP
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!

Contact us if you need more details on L-Tyrosine. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Amino Acid、Chemicals. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Pharmaceutical Intermediate

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