O-Methylisourea hemisulfate Typical Properties
Item
Specification
Specific rotation
+39.5 to +41.5°
State of solution(transmittance)
Clear 98.0% min.
Chloride[cl]
0.020% max.
Ammonium [NH4]
0.02% max.
Sulfate[SO4]
0.020% max
Iron[Fe]
10ppm max.
Heavy metals [Pb]
10ppm max
Arsenic[As2O3]
1ppm max
Other amino acids
Chromatographically not detectable
Loss on drying
0.20% max.
Residue on ignition[sulfated]
0.10% max.
Assay
99.0% min
O-Methylisourea hemisulfate Usage
The intermediate of 5-fluorouracil.
O-Methylisourea hemisulfate Packaging and Shipping
Packaging:1kg/bottle, 25kg/drum, customer’s request
Shipping:It can be according to the customer’s request
O-Methylisourea hemisulfate Storage
Normal temperature preservation
