USD $99.00-99.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $8.20-8.80 / Kilogram
USD $4.50-5.00 / Liter
USD $1.00-10.00 / Kilogram
item |
specification |
test result |
description |
yellow crystalline powder |
yellow crystalline powder |
identification |
the ir absorption spectrum should correspond with reference spectrum |
correspond with reference spectrum |
|
should exhibits maximum absorption at 352nm |
exhibits maximum absorption at 352nm |
loss on drying |
not more than 0.5% |
0.27% |
residue on ignition |
not more than 0.1% |
0.02% |
heavy metals |
not more than 0.002% |
less than 0.002% |
limit of isotretinoin |
not more than 5.0% |
0.15% |
assay |
98.0%~102.0 %( calculated on the dried basis) |
100.8% |
conclusion |
it complies with all the requirements of usp 35 |