N-Acetyl-L-Cysteine, AJ192 Standard; CAS No: 616-91-1

Appearance

White crystal or crystalline powder

Identification

Complies with the reference spectrum.

Transmittance

≥98.0%

Specific Rotation [a]_D^20°

+21.3°~ +27.0°

Melting Point

106.0℃~110.0℃

PH

2.0~2.8

Loss on Drying

≤0.5%

Residue on Ignition

≤0.2%

Sulfate (SO₄^2-)

≤0.03%

Chloride (Cl^-)

≤0.04%

Ammonium (NH4⁺)

≤0.02%

Iron (Fe)

≤0.002%

Arsenic (AS₂O₃)

≤0.0001%

Other Amino Acids

Not detected by chromatogram

Heavy Metals (as Pb)

≤0.001%

Assay (on dried basis)

98.5%~101.0%