1. hubei jusheng technology co., ltd., is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in china.
2. the yearly production capacity is 50000mt, 80% for export.we have a professinal export team. both by air and by sea,we ensure that we meet the customer expectations with promptness.
3. our company facing global high-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and rare chemicals trade. corey have well-equipped machine, strong technical force and considerate marketing team service.
4. we also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.
test item |
limit |
specific rotation |
+31.5 to +32.5° |
state of solution (transmittance) |
clear and colorless not less than 98.0% |
chloride |
not more than 0.020% |
ammonium |
not more than 0.02% |
sulfate |
not more than 0.020% |
iron |
not more than 10ppm |
heavy metals(pb) |
not more than 10ppm |
arsenic |
not more than 1ppm |
other amino acids |
conforms |
loss on drying |
not more than 0.1% |
residue on ignition (sulfated) |
not more than 0.10% |
assay |
99.0 to 100.5% |
ph |
3.0 to 3.5 |