Qingdao Header International Trading Co., Ltd.

N-Acetyl-L-Cysteine, Chemicals, Chemicals Product manufacturer / supplier in China, offering High Quality/ CAS No 616-91-1/ USP/ Ep/Aji/98%/ N-Acetyl-L-Cysteine, Vitamin D3 500, 000iu/G Gwc Food Grade, Stevia P. E. - Rebaudioside a 97% & Erythritol and so on.

Supplier Homepage Product List amino acid High Quality/ CAS No 616-91-1/ USP/ Ep/Aji/98%/ N-Acetyl-L-Cysteine

High Quality/ CAS No 616-91-1/ USP/ Ep/Aji/98%/ N-Acetyl-L-Cysteine

FOB Price:US $9,999 / drum
Min. Order (drum) FOB Price
1+ US $9,999 / drum
Get Latest Price
Min. Order: 1 drum
Production Capacity: 30000kg/Month
Transport Package: 25kg/Drum
Payment Terms: L/C, T/T

Basic Info.

CAS No:616-91-1
Color:White Crystals or Crystalline Powder
Assay:98% Min
Trademark:Qingdao Header
Specification:GMP, AJI, BP, EP, USP

Product Description

      Product:   N-Acetyl-L-Cysteine  
Item Specification Result Methods 
AppearanceWhite crystals or crystalline powderConformsVisual
IdentificationInfrared AbsorptionConformsIR
Assay98.0 to 102.0%99.80%USP- ASSAY
(Calculated on the dried basis)
Specific rotation [α] 25D+21.0°to +27.0°+23.1°USP-781S
pH2.0 to 2.82.2USP- 791
 Loss on DryingNot more than 1.0 %0.16%USP-731
Residue on ignitionNot more than 0.5%0.05%USP-281
Heavy metals (Pb)Not more than 0.001%(10ppm)<0.001% (10ppm)USP-231
LeadNot more than 3ppm<3ppmAFS
Residual SolventsMeets the requirementsMeet the requirementsUSP
Total plate countLess than 10000 cfu/gConformsCP
Yeast  & moldsLess than 1000 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
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