Amino Acids & Healthcare
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    Product Name or CAS NO.
     
 
 
Amino Acids & Healthcare
 

L-Methionine
Synonyms 2-Amino-4-methylthiobutanoic acid
CAS No. 63-68-3
Structure
Specification State of solution(transmittance),%   98.0%  Min.
Specific Rotation,[a]D20,o  +23 - +24 
pH   5.6 -6.1 
Chloride,%    0.02Max. 
Sulfate,%     0.02Max. 
Ammonium,%   0.02Max. 
Iron,ppm   10Max. 
Heavy metals,ppm   10ppm 
Arenic,ppm  1.0Max. 
Other amino acids   None 
Loss on drying,% 0.30Max. 
Residue on ignition,%   0.10Max. 
Application Used as healthcare and pharmaceutical intermediates.
Remaks


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