CAS NO:7048-4-6
Chemical Name | L-Cysteine HCL MONO |
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° | +5.5°~+7.0° +8.0 ~+10.1° Calc.as.cysteine |
State of solution | Clear and colorless |
Heavy metals(Pb) | ≤10PPm |
Residue on ignition | ≤0.1% |
Iron(Fe) | ≤10PPm |
Loss on drying | 8.5~12.0% |
Other amino acids | Chromatographically not detectable |
Arsenic(As2O3) | ≤1PPm |
Chloride(CI) | 19.89~20.29% |
Ammonium(NH4) | ≤0.02% |
Sulfate(SO4) | ≤0.02% |
Assay | 99.0~100.5% |
PH | 1.5~2.0 |