CAS NO:73-22-3
Chemical Name | L-色氨酸 |
Molecular Structure | |
Molecular Formula | C11H12N2O2 |
Molecular Weight | 204.23 |
Characteristics | White to yellowish white crystalline powder |
Packing | 25㎏/drum,25㎏/carton |
Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification | |
Specific rotation[a]D20° | -30.5°~-32.5° |
State of solution | Clear |
(Tranamittance) | ≥ 95.0% |
Chloride(CI) | ≤ 0.02% |
Ammonium(NH4) | ≤ 0.02% |
Sulfate(SO4) | ≤ 0.020% |
Iron(Fe) | ≤ 10PPm |
Heavy metals(Pb) | ≤ 10PPm |
Arsenic(As2O3) | ≤ 1PPm |
Loss on drying | ≤ 0.20% |
Residue on ignition (Sulfated) | ≤ 0.10% |
Assay | 99.0~100.5% |
PH | 5.4~6.4 |