81161-17-3 Esmolol hydrochloride seller in China Esmolol hydrochloride factory in China
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 |
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