Chemical Name

N-Acetyl-L-Cysteine

Molecular Structure

Molecular Formula

C5H9NO3S

Molecular Weight

163.20

Characteristics

White crystalling powder or white crystals

Packing

25㎏/drum，25㎏/carton

Quality  Standard

AJI92/USP28/EP5/FCCIV

State of Solution

≥98.0%

Chloride(CL) 
               Ammonium(NH4) 
       Sulfate(SO4)

≤0.04%
       ≤0.02%
       ≤ 0.030%

Iron(Fe)

≤20PPm

Heavy metals(Pb)

≤10PPm

Other amino acids

Chromatographically  Not detectable

Arsenic(As2O3)

≤0.5%

Residue in Ignition

≤1PPm

Assay

98.5～101.0%

PH

2.0～2.8

Melting point

106 to 110