L-Cysteine  HCL  Anhydrous   CAS NO：52-89-1

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
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