N-Acetyl-L-Cysteine CAS 616-91-1 for Pharma Grade(USPEP)
Usage:
N-Acetyl-L-cysteine NAC is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures and promotes the formation of glutathione. It helps support brain and neuronal tissues.
1. N-acetyl Cysteine has an effective detoxification.
2. N-acetyl Cysteine can effectively prevent and treat radiation injury.
3. N-acetyl Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.
4. N-acetyl Cysteine can improve the symptoms of inflammation and skin allergies.
5. N-acetyl Cysteine on horny skin disease is also effective hypertrophy.
6. N-acetyl Cysteine has a function to prevent biological aging.
Specifications
AJI92 |
USP42 |
|
Description |
White crystals or crystalline powder |
White crystals or crystalline powder |
Assay,% |
98.5~101.0 |
98.5~101.0 |
pH value |
2.0 ~ 2.8 |
2.0 ~ 2.8 |
Melting point,℃ |
106 – 110 |
106 – 110 |
Specific optical rotation[a]D20° |
+21.3o~ +27.0o |
+21.3o~ +27.0o |
State of solution (Transmittance) min |
98.0 |
98.0 |
Loss on drying,% max |
0.5 |
0.5 |
Residue on ignition,% max |
0.20 |
0.20 |
Chloride (Cl),% max |
0.04 |
0.04 |
Sulfate (SO4),% max |
0.03 |
0.03 |
Ammonium ( NH4), % max |
0.02 |
0.02 |
Heavy metals(Pb),% max |
0.001 |
0.001 |
Iron (Fe) , % max |
0.002 |
0.002 |
Arsenic(asAS2O3),% max |
0.0001 |
0.0001 |
Other amino acids |
Chromatographically not detectable |
Chromatographically not detectable |