L-Threonine
L-Threonine
CAS NO：72-19-5
| Chemical Name | L-Threonine |
| Molecular Structure |  |
| Molecular Formula | C4H9NO3 |
| Molecular Weight | 119.12 |
| Characteristics | White crystalling powder |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
| Specification | |
| Specific Rotation [a]D20o | -27.6°~-29.0° |
| State of solution | Clear and colorless |
| (Tranamittance) | ≥98.0% |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.020% |
| Iron (Fe) | ≤10PPM |
| Heavy metals(Pb) | ≤10PPm |
| Arsenic (AS2O3) | ≤1PPM |
| Other amio acids | Chromatographically not detecatable |
| Loss on drying | ≤0.10% |
| Residue on ignition (Sulfated) | ≤0.10% |
| Assay | 99.0～100.5% |
| PH | 5.2～6.2 |
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L-Cysteine HCL Anhydrous
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L-Cysteine HCL MONO
