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  | 
              
              
              
              


	









