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N-Acetyl-L-Tyrosine
| Description: | N-Acetyl-L-Tyrosine |
| CAS NO.: | 537-55-3 |
| Add time: | 2008-1-3 15:40:48 |
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 |