Quaternary Salts
& Surface Active Agent Series
Fine Chemicals
& Pharmaceutical Intermediates
Tel1:0086-21-20255798
Tel2:0086-21-20252853
Info@richchemical.com
William@richchemical.com
Products > Fine Chemicals & Pharmaceutical Intermediates
N-Acetyl-L-Methionine
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 |