7251-53-8

• 常用中文名：3-羟基异恶唑-6-甲酸甲酯
• 常用英文名：Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
• CAS号：7251-53-8
• 分子式：C₆H₈N₂O₃
• 分子量：156.139
• 发布时间：2016-06-11 14:41:01
• 更新时间：2026-07-15 16:34:10

名称

• 中文名: 3-羟基异恶唑-6-甲酸甲酯
• 英文名: ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
• 中文别名: 3-羟基异噁唑-6-甲酸甲酯; 3-羟基-吡唑-4-羧酸乙酯; 别嘌醇杂质 10; 3-羟基-1H-吡唑-4-甲酸乙酯; 3-羟基异恶唑-4-甲酸乙酯; 3-氧代-2,3-二氢-1H-吡唑-4-羧酸乙酯; 3-羟基-1H-吡唑-4-羧酸乙酯; 3-羟基吡唑-4-甲酸乙酯; 3-氧代-2,3-二氢-1H-吡唑-4-甲酸乙酯
• 英文别名: Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate; 1H-pyrazole-4-carboxylic acid, 5-hydroxy-, ethyl ester; Ethyl 3-hydroxy-1H-pyrazole-4-cboxylate; 3-Oxo-2,3-dihydro-1H-pyrazole-4-cboxylic acid ethyl ester; 1H-Pyrazole-4-carboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester; 3-Oxo-2,3-dihydro-1H-pyrazol-4-carbonsaeure-aethylester; 2,3-dihydro-3-oxo-1H-Pyrazole-4-cboxylic acid ethyl ester; Ethyl 5-hydroxy-4-pyrazolecarboxylate; Ethyl 5-hydroxy-1H-pyrazole-4-cboxylate; ehyl 3-hydroxy-1H-pyrazole-4-cboxylate; Allopurinol Impurity 10; 1H-Pyrazole-4-cboxylicacid, 2,3-dihydro-3-oxo-, ethyl ester; ethyl 3-oxo-1,2-dihydropyrazole-4-cboxylate; 3-Hydroxy-1H-pyrazole-4-carboxylic acid ethyl ester; ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-cboxylate; Ethyl 2,3-dihydro-3-oxo-1H-pyrazole-4-cboxylate; 3-Hydroxy-1H-Pyrazole-4-Cboxylic Acid Ethyl Ester(WX649081); ethyl 3-hydroxypyrazole-4-carboxylate; 4-(Ethoxycbonyl)-3-hydroxy-1H-pyrazole; Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate; 4-ethoxycarbonyl-1,2-dihydro-3-pyrazolone; ethyl 3-oxo-2,3-dihydropyrazole-4-carboxylate; 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester; ethyl 3-hydroxy-1H-pyrazole-4-carboxylate

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 311.7ºC at 760 mmHg
• 分子式: C₆H₈N₂O₃
• 分子量: 156.139
• 闪点: 142.3ºC
• 精确质量: 156.053497
• PSA: 75.21000
• LogP: -0.31
• 折射率: 1.496
• 储存条件: 2-8°C

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933199090

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海关

海关编码	2933199090
中文概述	2933199090. 其他结构上有非稠合吡唑环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%