最佳答案
回答者：网友
基本信息：
中文名称 4-甲基-2-吡唑啉-5-酮
英文名称 4-methyl-1,4-dihydropyrazol-5-one
英文别名 4-Methyl-2-pyrazolin-5-one;2,4-dihydro-4-methyl-3H-pyrazol-3-one;2-Pyrazolin-5-one,4-methyl;4-methyl-2-pyrazoline-5-one;4-methyl-1,2-dihydro-pyrazol-3-one;4-Methyl-pyrazolon-5;4-Methyl-2,4-dihydro-3H-pyrazol-3-one;
CAS号 13315-23-6
欧盟海关编码(HS-code)：29331990
概述（Summary）：29331990. Other Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. General tariff:6.5%.
