L-Methionine
Category: amino acids  Publish Time: 2017-10-20 15:31 

L-Methionine
Premium ingredient Co.,Ltd manufacturers and supplies l methionine USP/AJI.

Product Name: L-Methionine       

Cas No.63-68-3       

Quality Standard: USP30

Description: 
Methionine is an amino acid. It is found in meat, fish, and dairy products. Amino acids are the building blocks that our bodies use to make proteins. Methionine plays an important role in the many functions within the body. Methionine can treat liver disorders and viral infections along with many other uses. 

 

Test item

specifications

Assay

98.5% to 101.5%

Identification

Infrared absorption

Specific rotation

+22.4° to +24.7°

PH

5.6 to 6.1

Loss on drying

Not more than 0.3%

Residue on ignition

Not more than 0.4%

Sulfate

Not more than 0.03%

Iron

Not more than 0.003%

Heavy metals

Not more than 0.0015%

Chromatographic purity

Not more than 0.5% of any individual impurity is found, and not more than 2.0% of total impurities is found

Organic volatile impurities

Meets the requirements

Chloride

Not more than 0.05%

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