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CAS No. 51-35-4
Other Names 4-Hydroxyproline
MF C5H9NO3
EINECS No. 200-091-9
Place of Origin Zhejiang, China (Mainland)
Type Vitamins, Amino Acids and Coenzymes
we suplly Trans-4-Hydroxy-L-proline,4-Hydroxyproline ,3-hydroxy-L-proline in competitive price
| Items | Specification(AJI92) |
| Appearance | White crystals |
| Content(%) | 98.5%~101.5% |
| Specific rotation( °) | -74.0~ -77.0 |
| Transmittance | ≥95% |
| Ammonium salt(%) | ≤0.02 |
| Heavy metal(Pb%) | ≤0.001 |
| PH | 5.0~6.0 |
| Loss on drying(%) | ≤0.2 |
| Residue on ignition(%) | ≤0.1 |
| Arsenic(As2O3%) | ≤0.0001 |
| Chloride(Cl%) | ≤0.02 |
| Sulfate(SO4%) | ≤0.02 |
| Iron(Fe%) | ≤0.001 |