USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
arbidol hydrochloride; isosorbide-5-mononitrate; loxoprofen sodium; ezetimibe; amisulpride; mildronate; atazanavir; raltitrexed
appearance |
white to off-white crystalline powder no visible evidence of contamination by foreign matter |
identification a |
infrared absorption spectrumcorresponds to that of the reference standard |
identification b |
the rentention time of the sample preparation in the assay preparation corresponds to that of the standard preparation |
melting point |
87.5℃~91.0℃ |
ph |
3.0~5.0 |
residue on ignition |
≤0.1% |
heavy metals |
≤0.0020% |
sulfate |
≤0.030% |
wate content |
≤1.0% |
related substance |
any other individual unspecified impurity ≤0.1% esmolol isopropylamide analog ≤0.25% esmolol free acid ≤0.4% esmolol dimer ≤0.5% n-ethyl esmolol ≤0.15% total impurities ≤1.0% |
assay |
98.0~10.2% calculated on the anhydrous basis |
residual solvents |
ethyl acetate ≤ 2500ppm ethyl ether ≤ 200ppm |
bacteria endotoxin |
≤0.2eu/mg |
bioburden |
total microbial:≤ 100cfu/mg total yeast&molds:≤50cfu/mg |