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N-Acetyl-L-tyrosine

N-Acetyl-L-tyrosine

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Name:N-Acetyl-L-tyrosine 
Molecular Formula:C11H13NO4
Molecular Weight:223.23
CAS Registry Number:537-55-3
EINECS: 208-671-3
Specifications:
Product name
 N-Acetyl-L-Tyrosine
 
Item
 Specification
 
Appearance
 White crystals or crystalline powder
 
Specific Rotation[α]D20
 +46.5° to +49.0°
 
State of solution
 Clear and colorless
 
Not less than 96.0%
 
Chloride (Cl)
 Not more than 0.020%
 
Ammonium (NH4)
 Not more than 0.02%
 
Sulfate (SO4)
 Not more than 0.020%
 
Iron (Fe)
 Not more than 30ppm
 
Heavy Metals (Pb)
 Not more than 10ppm
 
Aresenic (As2O3)
 Not more than 2ppm
 
Loss on drying
 Not more than 0.5%
 
Residue on ignition
 Not more than 0.1%
 
Assay
 99.0% to 101.0%
 
Tyrosine
 Not more than 1.0%
 
pH
 2.0 to 3.0
 

Packing:25kg/drum
Storage:be stored in cool and dry place,keep away from sunlight and heat
Shelf life:24months