L-Cystine
CAS NO:56-89-3
Ajnomo's Standard(1988）
DESCRIPTION

 

Molecular Formula

Molecular Weight

SPECIFICATION

Ajnomo's Standard(1988）

Assay(asC3H7NO2)
99% Min
Specific Rotation
220
State of Solution (Transmittance)
≥98.0%
Heavy Metals
10ppm Max

Chloride(Cl)
0.02% Max
Sulfate
0.02% Max
Fe
10ppm Max
Arseic(AS2O3)
1ppm Max
Other amino acids：(Chromatographically)
not detectable
Ammonium[NH4+]
0.02% Max
Residue on Ignition
0.1% Max
Loss on Drying
0.2% Max
PACKING

25KG net in Kraft/Plastic Bag lined with PE bag
STORAGE
 Kept airtightly in a light-proof, dry and cool place.