Grade: food grade, pharmaceutical grade

Factory Location: Shandong

Main Sales Markets: North America,Western Europe,Eastern Europe,Australasia,Middle East,Africa

Packaging Information: 25.0kg/drum

Sample Provided: yes

Payment Terms: T/T in advance

1.Product Name:L-Cystine 

2.CAS No:56-89-3

3.Synonyms Name: 

L-Cystine 99%; Cystine acid; 3,3'-Dithiobis(2-aminopropionic acid)         

4.Molecular Formula:C6H12N2O4S2

 

Function:

1.L-Cystine is required for proper vitamin B6 utilization 

 

2.L-Cystine is helpful in the healing of burns and wounds, breaking down mucus deposits in illness, the supple of insulin to the pancreas, increasing the levels of glutathione in lungs, liver, kidney, and bone, additionally may have effect of anti-aging.

 

Spefication

 

Description	White Crystals or Crystalline Powder
Assay	98.5-101.0%
PH	5.0-6.5
Specific Rotation	-215 to -225 degree
Chloride(Cl)	0.02% Max.
Sulfate(SO4)	0.02% Max.
Ammonium (NH4)	0.02% Max.
Iron(Fe)	20ppm Max.
Heavy Metals(Pb)	10ppm Max.
Arsenic(As2O3)	1ppm Max.
Organic Volatile Impurities	Meets the Requirements
Loss on Drying	0.2% Max.
Residue on Ignition(Sulfated)	0.10% Max.
Organic Volatile Impurities	Conforms