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
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