Molecular Formula: C5H9NO3
Molecular Weight: 131.131
CAS No： 51-35-4
| L-Hydroxyproline | AJI92 |
| Assay | 99.0～101.0% |
| PH | 5.0～6.5 |
| Specific rotation[a]D20 | -74.0°～-77.0° |
| Specific rotation[a]D25 | / |
| Transmittance(T430) | ≥95% |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.02% |
| Iron(Fe) | ≤10ppm |
| Heavy metals(Pb) | ≤10ppm |
| Arsenic | ≤1ppm |
| Other amino acids | Chromatographically not detectable |
| Ninhydrin-positive substances | / |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
| Total plate count | ≤ 1000 CFU/g |
| Moulds & Yeasts | ≤ 100 CFU/g |
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