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Chemical name：4'-[1-Hydroxy-2-(isopropylamino)ethyl]methanesulfonanilide monohydrochloride
Molecular formula：C₁₂H₂₀N₂O₃S·HCl
Molecular weight：308.82
CAS：959-24-0
Structural formula：

Specification：
In accordance with ChP 2020 edition
Appearance：White or off-white crystalline powder
Absorbance：456～504
Loss on drying：≤0.5%
Residue on ignition：≤0.1%
Heavy metal：≤10ppm
Assay：98.5%～101.5%
Total aerobic microbial count：≤10³cfu/g
Total yeast and mold count：≤10²cfu/g

Packing size：25Kg/drum
Authentication code: Guo Yao Zhun Zi H20010639
Indications：An adrenergic receptor antagonist that prevents supraventricular tachycardias, especially atrioventricular nodal reentrant tachycardias, and can also be used in hyperexcitation syndrome with supraventricular tachycardias." Atrial flutter, atrial fibrillation. "A variety of ventricular arrhythmias, including premature ventricular contractions, sustained and nonsustained ventricular tachycardia." Acute myocardial infarction complicated by severe arrhythmia.