L-Cysteine HCL MONO   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