696-22-0

• 常用中文名：3-甲基-1H-吡唑-5-羧酸
• 常用英文名：3-Methylpyrazole-5-carboxylic acid
• CAS号：696-22-0
• 分子式：C₅H₆N₂O₂
• 分子量：126.11300
• 发布时间：2018-06-03 08:00:00
• 更新时间：2026-07-17 09:27:39

名称

• 中文名: 5-甲基-3-吡唑甲酸
• 英文名: 5(or 3)-methyl-pyrazole-3(or 5)-carboxylic acid
• 中文别名: 吡唑-3-羧酸,5-甲基; 吡唑-5-羧酸,3-甲基; 5-甲基-3-吡唑甲酸盐酸盐; 3-甲基-1H-吡唑-5-甲酸; 甲基吡唑-3-羧酸; 3-甲基吡唑-5-甲酸; 3-甲基-5-吡唑甲酸
• 英文别名: 3-methylpyrazolo-5-carboxylic acid; InChI=1/C5H6N2O2/c-(59)-3/h2H,1H3,(H,6,7)(H,8,9; 3-methylpyrazole-5-carboxylic acid; 5(or 3)-Methyl-pyrazole-3(or 5)-cboxylic Acid; 3-METHYL-1H-PYRAZOLE-5-CBOXYLIC ACID; 1H-Pyrazole-3-cboxylic acid, 5-Methyl; 5-Methyl-2H-pyrazole-3-cboxylic acid,hydrochloride; Pyrazole-5-cboxylic acid, 3-methyl; Pyrazole-3-cboxylic acid, 5-methyl; 3-methyl-5-pyrazolecarboxylic acid; 3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID; 3-methyl-1H-pyrazole-5-cboxylic acid(SALTDATA: FREE); 3-Methyl-5-pyrazolecboxylic acid; 1H-Pyrazole-3-carboxylic acid,5-Methyl; 5-methyl-2H-pyrazole-3-carboxylic acid; 3-methyl-5-carboxy-1H-pyrazole

物化性质

• 密度: 1.404 g/cm3
• 沸点: 388.8ºC at 760 mmHg
• 熔点: 236-240ºC
• 分子式: C₅H₆N₂O₂
• 分子量: 126.11300
• 闪点: 188.9ºC
• 精确质量: 126.04300
• PSA: 65.98000
• LogP: 0.41630
• 储存条件: 2-8°C

合成路线

67-51-6 ~% 696-22-0

文献：US4282361 A1, ;

135351-18-7 ~% 696-22-0

文献：Tetrahedron Letters, , vol. 43, # 28 p. 5005 - 5008

686-92-0 ~% 696-22-0

文献：Tetrahedron Letters, , vol. 43, # 28 p. 5005 - 5008

4027-57-0 ~% 696-22-0

文献：Chinese Chemical Letters, , vol. 23, # 6 p. 669 - 672

64-17-5 5699-58-1 56542-16-6 ~% 696-22-0

文献：Journal fuer Praktische Chemie (Leipzig), , vol. <2>126, p. 150,165 Chemische Berichte, , vol. 61, p. 2405

7647-01-0 49664-33-7 ~% 696-22-0

文献：Gazzetta Chimica Italiana, , vol. 75, p. 121,133

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