20157-44-2

• 常用中文名：1-邻甲苯-1H-吡唑
• 常用英文名：1-o-tolyl-1H-pyrazole
• CAS号：20157-44-2
• 分子式：C₁₀H₁₀N₂
• 分子量：158.20000
• 发布时间：2018-06-17 12:45:40
• 更新时间：2024-01-14 15:48:49

名称

• 中文名: 1 -邻甲苯-1H -吡唑
• 英文名: 1-(2-methylphenyl)pyrazole
• 英文别名: 1-O-TOLYLPYRAZOLE; l-o-tolyl-1H-pyrazole

物化性质

• 分子式: C₁₀H₁₀N₂
• 分子量: 158.20000
• 精确质量: 158.08400
• PSA: 17.82000
• LogP: 2.18070
• 储存条件: 室温，干燥密封

安全

• 海关编码: 2933199090

合成路线

288-13-1 95-46-5 ~89% 20157-44-2

文献：Correa, Arkaitz; Bolm, Carsten Advanced Synthesis and Catalysis, 2007 , vol. 349, # 17-18 p. 2673 - 2676

288-13-1 615-37-2 ~91% 20157-44-2

文献：Cellier, Pascal Philippe; Cristau, Henri-Jean; Spindler, Jean-Francis; Taillefer, Marc Patent: US2003/236413 A1, 2003 ; Location in patent: Page 21 ;

823-96-1 1126-00-7 ~37% 20157-44-2

文献：Chen, Xiao; Goodhue, Charles E.; Yu, Jin-Quan Journal of the American Chemical Society, 2006 , vol. 128, # 39 p. 12634 - 12635

124-38-9 1126-00-7 6063-88-3 18107-18-1 ~6% 详细

文献：Mizuno, Hajime; Takaya, Jun; Iwasawa, Nobuharu Journal of the American Chemical Society, 2011 , vol. 133, # 5 p. 1251 - 1253

288-13-1 16419-60-6 ~60% 20157-44-2

文献：Kantam, Mannepalli Lakshmi; Venkanna, Gopaladasu Tirupati; Kumar, Kota Balaji Shiva; Subrahmanyam, Vura Bala Helvetica Chimica Acta, 2010 , vol. 93, # 5 p. 974 - 979

288-13-1 ~% 20157-44-2

文献：Mita, Tsuyoshi; Tanaka, Hiroyuki; Michigami, Kenichi; Sato, Yoshihiro Synlett, 2014 , vol. 25, # 9 p. 1291 - 1294

529-27-1 106-89-8 ~% 20157-44-2

文献：Balbiano Gazzetta Chimica Italiana, 1888 , vol. 18, p. 358 Gazzetta Chimica Italiana, 1889 , vol. 19, p. 689

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%