N-Acetyl-L-Cysteine
N-Acetyl-L-Cysteine
CAS NO：616-91-1
| Chemical Name | N-Acetyl-L-Cysteine |
| Molecular Structure |  |
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.20 |
| Characteristics | White crystalling powder |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
| Specification | |
| Specific rotation[a]D20° | +21.3 to +27.0 |
| State of solution | ≥ 98.0% |
| Chloride(CI) | ≤ 0.04% |
| Ammonium(NH4) | ≤ 0.02% |
| Sulfate(SO4) | ≤ 0.030% |
| Heavy metals(Pb) | ≤ 10PPm |
| Iron(Fe) | ≤ 20PPm |
| Other amino acids | Chromatographically Not detectable |
| Arsenic(As2O3) | ≤ 1PPm |
| Residue on ignition | ≤ 0.20% |
| Loss on drying | ≤ 0.5% |
| Assay | 98.5～101.0% |
| Melting point | 106 to 110 |
| PH | 2.0～2.8 |
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N-Acetyl-L-Proline
