19178-21-3

• 常用中文名：2-甲基-5,6,7,8-四氢喹唑啉-4-醇
• 常用英文名：4(3H)-Quinazolinone, 5,6,7,8-tetrahydro-2-methyl-
• CAS号：19178-21-3
• 分子式：C₉H₁₂N₂O
• 分子量：164.20400
• 发布时间：2018-12-31 13:13:20
• 更新时间：2024-01-09 18:02:55

名称

• 中文名: 2-甲基-5,6,7,8-四氢-3H-喹唑啉-4-酮
• 英文名: 2-methyl-5,6,7,8-tetrahydro-1H-quinazolin-4-one
• 中文别名: 2-甲基-5,6,7,8-四氢喹唑啉-4-醇
• 英文别名: 2-Methyl-5,6,7,8-tetrahydro-3H-quinazolin-4-one; 2-Methyl-5,6,7,8-tetrahydroquinazolin-4-ol; 2-Methyl-5,6,7,8-tetrahydro-3H-chinazolin-4-on; 5,6,7,8-tetrahydro-2-methyl-4-quinazolone

物化性质

• 密度: 1.3g/cm3
• 沸点: 291.2ºC at 760 mmHg
• 分子式: C₉H₁₂N₂O
• 分子量: 164.20400
• 闪点: 129.9ºC
• 精确质量: 164.09500
• PSA: 45.75000
• LogP: 0.95710
• 蒸汽压: 0.00198mmHg at 25°C
• 折射率: 1.644
• 储存条件: 室温，保存在惰性气体中

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : VA4252000 CHEMICAL NAME : 4(3H)-Quinazolinone, 5,6,7,8-tetrahydro-2-methyl- CAS REGISTRY NUMBER : 19178-21-3 LAST UPDATED : 198602 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H12-N2-O MOLECULAR WEIGHT : 164.23 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 2,231,1967

安全

• 海关编码: 2933990090

合成路线

68965-62-8 124-42-5 ~69% 19178-21-3

文献：Yu, Lin; Wang, Min; Li, Pinhua; Wang, Lei Applied Organometallic Chemistry, 2012 , vol. 26, # 11 p. 576 - 582,7

105550-62-7 ~65% 19178-21-3

文献：Fueloep, Ferenc; Bernath, Gabor Synthesis, 1985 , # 12 p. 1148 - 1149

124-42-5 1655-07-8 ~% 19178-21-3

文献：American Home Products Corporation Patent: US5234936 A1, 1993 ;

143-37-3 1655-07-8 ~% 19178-21-3

文献：Baumgarten et al. Journal of the American Chemical Society, 1958 , vol. 80, p. 6609,6611

62360-62-7 ~% 19178-21-3

文献：Sedenkova, Kseniya N.; Averina, Elena B.; Grishin, Yuri K.; Kuznetsova, Tamara S.; Zefirov, Nikolay S. Tetrahedron Letters, 2014 , vol. 55, # 2 p. 483 - 485

1404219-84-6 ~% 19178-21-3

文献：Sedenkova, Kseniya N.; Averina, Elena B.; Grishin, Yuri K.; Kuznetsova, Tamara S.; Zefirov, Nikolay S. Tetrahedron Letters, 2014 , vol. 55, # 2 p. 483 - 485

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海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 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	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%