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CAS No.: 147-85-3
Standard: AJI, CP, USP
Specification:
L-Proline | CP2015 | AJI92 | USP30 | USP40 |
Description | White crystals or crystalline powder | White crystals or crystalline powder | --- | --- |
Identification | Conforms | Conform | --- | Conform |
Assay | ≥98.5% | 99.0%~101.0% | 98.5%~101.5% | 98.5%~101.5% |
pH | 5.9~6.9 | 5.9~6.9 | 5.9~6.9 | --- |
Transmittance | ≥98.0% | ≥98.0% | --- | --- |
Loss on drying | ≤0.3% | ≤0.30% | ≤0.3% | ≤0.4% |
Residue on ignition | ≤0.1% | ≤0.10% | ≤0.1% | ≤0.4% |
Chloride | ≤0.02% | ≤0.020% | ≤0.05% | ≤0.05% |
Heavy Metals | ≤0.001% | ≤10ppm | ≤15ppm | ≤15ppm |
Iron | ≤0.001% | ≤10ppm | ≤0.003% | ≤0.003% |
Sulfate | ≤0.02% | ≤0.020% | ≤0.03% | ≤0.03% |
Endotoxin | ＜10EU/g | --- | --- | --- |
Ammonium | ≤0.0001% | ≤1ppm | --- | --- |
Annonium | ≤0.02% | ≤0.02% | --- | --- |
Other amino acids | Conforms | Conforms | --- | Conforms |
Pyrongen | --- | Conforms | --- | --- |
Specific Rotation | -84.5°~ -86.0° | -84.5°~ -86.0° | -84.5°~ -86.0° | -84.3°~ -86.3° |
Manufacturing
