52867-42-2

• 常用中文名：2-甲基-5-氧代-2,5-二氢-1H-吡唑-3-羧酸甲酯
• 常用英文名：Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate
• CAS号：52867-42-2
• 分子式：C₆H₈N₂O₃
• 分子量：156.13900
• 发布时间：2018-12-07 10:00:35
• 更新时间：2024-01-02 07:47:06

名称

• 中文名: 3-羟基-1-甲基吡唑-5-羧酸甲酯
• 英文名: methyl 2-methyl-5-oxo-1H-pyrazole-3-carboxylate
• 英文别名: 5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester; Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate; 3-Hydroxy-1-methyl-5-pyrazolcarbonsaeuremethylester; 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid methyl ester; Methyl 3-hydroxy-1-methylpyrazole-5-carboxylate; methyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate

物化性质

• 密度: 1.288g/cm3
• 沸点: 330.7ºC at 760mmHg
• 分子式: C₆H₈N₂O₃
• 分子量: 156.13900
• 闪点: 153.8ºC
• 精确质量: 156.05300
• PSA: 64.09000
• 折射率: 1.508
• 储存条件: 2-8°C，干燥密封

安全

• 海关编码: 2933199090

合成路线

302-15-8 762-42-5 ~53% 52867-42-2

文献：AICURIS GMBH and CO. KG; KLENKE, Burkhard; WIEGAND, Irith; SCHIFFER, Guido; BROETZ-OESTERHELT, Heike; MAITI, Samarendra N.; KHAN, Jehangir; REDDY, Andhe; YANG, Zhixiang; HENA, Mostafa; JIA, Guofeng; LIGONG, Ou; LIANG, Hong; YIP, Judy; GAO, Chuanjun; TAJAMMUL, Sabiha; MOHAMMAD, Rahim; BISWAJEET, Ganguli Patent: WO2013/110643 A1, 2013 ; Location in patent: Paragraph 00351; 00352 ;

86625-25-4 74-88-4 ~17% 52867-42-2

文献：F. HOFFMANN-LA ROCHE AG; JAKOB-ROETNE, Roland; LUCAS, Matthew, C.; THOMAS, Andrew Patent: WO2010/127975 A1, 2010 ; Location in patent: Page/Page column 84 ;

762-42-5 60-34-4 ~23% 52867-42-2

文献：Takeda Pharmaceutical Company Limited Patent: EP2530078 A1, 2012 ; Location in patent: Page/Page column 208-209 ;

58364-79-7 ~89% 52867-42-2

文献：Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

58364-79-7 ~0% 85963-51-5 51985-95-6 52867-42-2

文献：Sucrow, Wolfgang; Auffenberg-Weddige, Katharina; Grosz, Klaus-Peter; Bredthauer, Gerhard; Pickardt, Joachim Chemische Berichte, 1983 , vol. 116, # 4 p. 1525 - 1530

58364-79-7 ~35% 1072-91-9 85963-51-5 52867-42-2

文献：Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

58364-79-7 542-92-7 ~65% 1072-91-9 947-57-9 详细

文献：Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

58364-79-7 123-54-6 ~35% 1072-91-9 85963-51-5 详细

文献：Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

上下游产品

上游产品  8
302-15-8 762-42-5 86625-25-4 74-88-4
60-34-4 58364-79-7 542-92-7 123-54-6
下游产品  1
126674-95-1

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%