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N-Acetyl-DL-Methionine
| Description: | N-Acetyl-DL-Methionine |
| CAS NO.: | 1115-47-5 |
| Add time: | 2008-1-3 16:04:55 |
N-Acetyl-DL-Methionine |
|
Item |
Specification |
Appearance |
White crystals or crystalline powder |
Specific Rotation[α]D20 |
-1° to +1° |
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 0.3% |
Assay |
98.0% to 102.0% |
pH |
1.7 to 3.0 |