USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $10.00-100.00 / Kilogram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
1)product name:supply fresh 99% irbesartan for anti-hypertension drugs with best price.
2)cas: 138402-10-5
3)molecular formula:c25h27n3o
4)molecular weight:385.5
5)assay:99%
6)appearance:white or colourless crystalline powder with characteristic odor
item of testing |
inspection standard |
result |
appearance |
white to off-white, crystalline powder |
white powder |
identification |
infrared absorption: the ir spectrum is consistent with that obtained with the reference
|
conforms |
|
the retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay |
|
water |
nmt 0.5% |
0.31% |
limit of azide |
nmt 10ppm |
not detected |
heavy metals |
nmt 0.002% |
conforms |
related compounds |
compound a nmt 0.2% |
0.02% |
|
any other impurity nmt 0.1% |
0.04% |
|
total impurities nmt 0.5% |
0.09% |
residual solvents(gc) |
ethanol nmt 5000ppm |
26ppm |
|
toluene nmt 890ppm |
133ppm |
|
t-butyl methyl ether nmt 5000ppm |
not detected |
assay(on the anhydrous basis) |
98.0~102.0% |
99.3% |
conclusion |
the analysis results show that this batch of irbesartan conform |