L-Cysteine HCL Anhydrous
L-Cysteine HCL Anhydrous
| Chemical Name | L-Cysteine HCL Anhydrous |
| Molecular Structure |  |
| Molecular Formula | C3H7NO2S.HCl.H2O |
| Molecular Weight | 175.63 |
| Characteristics | White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and ether |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
| Specification | |
| Specific rotation[a]D20° | +5.6～8.9° |
| State of solution | Clear and colorless |
| Heavy metals(Pb) | ≤10PPm |
| Arsenic (AS2O3) | ≤1PPM |
| Residue on ignition | ≤0.1% |
| Loss on drying | ≤1 % |
| Other amino acids | Chromatographically not detectable |
| Arsenic(As2O3) | ≤1PPm |
| Assay | 98.0～102.0 % |
| PH | 1.5～2.0 |
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L-Citrulline
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L-Threonine
