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N-Acetyl-L-Cysteine
Product Detailed
Related Categories:Pharmaceutical
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N-Acetyl-L-Cysteine the quanlity has passed the ISO international certificate .
Related Product Searches:N-Acetyl-L-Cysteine,High Quality,N-Acetyl-L-Cysteine, N-Acetyl-L-Cysteine,62
N-Acetyl-L-Cysteine | |
Item | Specification |
Appearance | White crystals or crystalline powder |
Specific Rotation[α]D20 | +21.3° to +27.0° |
State of solution | Clear and colorless |
Not less than 98.0% | |
Chloride (Cl) | Not more than 0.04% |
Ammonium (NH4) | Not more than 0.02% |
Sulfate (SO4) | Not more than 0.030% |
Iron (Fe) | Not more than 20ppm |
Heavy Metals (Pb) | Not more than 10ppm |
Aresenic (As2O3) | Not more than 1ppm |
Other amino aicds | Chromatographically not detectable |
Loss on drying | Not more than 0.5% |
Residue on ignition | Not more than 0.20% |
Assay | 98.5% to 101.0% |
pH | 2.0 to 2.8 |
Melting point | 106° to 110° |
N-Acetyl-L-Cysteine