91874-85-0

• 常用中文名：(2,3-二甲基苯基)(1H-咪唑-4-基)甲酮
• 常用英文名：4-(2',3'-Dimethylbenzoyl)imidazole
• CAS号：91874-85-0
• 分子式：C₁₂H₁₂N₂O
• 分子量：200.236
• 发布时间：2018-12-21 12:07:59
• 更新时间：2026-07-12 07:59:26

名称

• 中文名: (2,3-二甲基苯基)(1H-咪唑-4-基)甲酮
• 英文名: (2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone
• 中文别名: (2,3-二甲基苯基)-1H-咪唑-4-基甲酮; (1H-咪唑-4-基)甲酮; (2,3-二甲基苯基)(4-咪唑基)甲酮; 右美托咪定杂质6; 化合物 (2,3-DIMETHYLPHENYL)(1H-IMIDAZOL-4-YL)METHANONE; 美托咪定标准品023; 右美托咪定杂质VL; 美托咪定杂质6
• 英文别名: 4-(2',3'-DiMethylbenzoyl)iMidazole; (2,3-dimethylphenyl)-(1H-imidazol-5-yl)methanone; (2,3-diMethylphenyl)(1H-iMidazol-4-yl)Methanone; Dexmedetomidine-023; Methanone, (2,3-dimethylphenyl)-1H-imidazol-4-yl- chemistry; Medetomidine RC8; Methanone, (2,3-dimethylphenyl)-1H-imidazol-4-yl; Methanone, (2,3-dimethylphenyl)-1H-imidazol-5-yl; Medetomidine Ketone Impurity; (1H-imidazol-4-yl)methanone; Dexmedetomidine Related Compound A (25 mg) ((2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone); Dexmedetomidine Hydrochloride Impurity D; Dexmedetomidine Impurity Vl; (2,3-Dimethylphenyl)(4-imidazolyl)methanone

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 412.7±33.0 °C at 760 mmHg
• 分子式: C₁₂H₁₂N₂O
• 分子量: 200.236
• 闪点: 205.2±31.8 °C
• 精确质量: 200.094955
• PSA: 45.75000
• LogP: 2.66
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.594
• 储存条件: 室温，干燥

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933290090

合成路线

138867-04-6 ~96% 91874-85-0

文献：Kudzma; Turnbull Jr. Synthesis, 1991 , # 11 p. 1021 - 1022

21900-46-9 ~% 91874-85-0

文献：Kudzma; Turnbull Jr. Synthesis, 1991 , # 11 p. 1021 - 1022

上下游产品

上游产品  1
21900-46-9
下游产品  0

海关

海关编码	2933290090
中文概述	2933290090. 其他结构含非稠合咪唑环的化合物. 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	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%