|
Description: |
N-Acetyl-L-Methionine |
|
CAS NO.: |
65-82-7 |
|
Add time: |
2008-1-3 16:03:22 |
|
N-Acetyl-L-Methionine | |
|
Item |
Specification |
|
Appearance |
White crystals or crystalline powder |
|
Specific Rotation[α]D20 |
-18.0° to -22.0° |
|
State of solution |
Clear and colorless |
|
Not less than 95.0% | |
|
Heavy Metals (Pb) |
Not more than 20ppm |
|
Aresenic (As2O3) |
Not more than 2ppm |
|
Other amino aicds |
No spot |
|
Loss on drying |
Not more than 0.5% |
|
Residue on ignition |
Not more than 0.10% |
|
Assay |
99.0% to 100.5% |
|
pH |
1.7 to 3.0 |




