USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $70.00-90.00 / Kilogram
in -house 98%min
biapenem
appearance |
white to light yellow crystalline powder, odourless. slightly soluble in water ,almost insoluble in methanol, ethanol and acetonitrile |
|
identification
chemical reaction
uv
ir |
piositive should have the largest wavelength absorption at 292-296 nm shall conform to the reference substance of the solution |
|
optical rotation |
-28°~ -35° |
|
ph |
4.0-6.0 |
|
clarity and color of solution |
conforms |
|
related substance |
||
total impurities |
≤1.0% |
|
the biggest single impurity |
≤0.5% |
|
biapenem polymer |
≤0.5% |
|
methanol |
≤0.3% |
|
acetone |
≤0.3% |
|
acetonitrile |
≤0.041% |
|
≤0.06% |
||
≤0.072% |
||
loss on drying |
≤0.5% |
|
residue on ignition |
≤0.2% |
|
heavy metals |
≤10ppm |
|
visible foreign matter |
conforms |
|
insoluble particle |
conforms |
|
sterility |
conforms |
|
bacterial endotoxin |
<0.5eu/ mg |
|
assay |
98.0-102.0% of biapenemon the dried basis |