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CAS号: 76508-35-5 英文名称: Isopropyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity I) 英文同义词: NSC 642708;Isopropyl 4-Hydroxy-;1-Methylethyl 4-Hydroxy-2H-1,2-benz;Isopropyl 4-Hydroxy- (Piroxicam Impurity I);propan-2-yl 4-hydroxy-1,1-dioxo-2H-1λ 6,2-benzothiazine-3-carboxylate;4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic acid 1-methylethyl ester 1,1-dioxide;2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-, 1-methylethyl ester, 1,1-dioxide;Isopropyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity I);4-Hydroxy-1,1-dioxo-1,2-dihydro-1lambda*6*-benzo[e][1,2]thiazine-3-carboxylic acid isopropyl ester 中文名称: 吡罗昔康杂质 I 中文同义词: 吡罗昔康杂质I (EP);吡罗昔康杂质I(EP) 标准品 分子式: C12H13NO5S 分子量: 283.3 熔点 : 170℃ (ethanol )