67449-23-4

• 常用中文名：2,4-二羟基-8-甲基喹唑啉
• 常用英文名：2,4(1H,3H)-Quinazolinedione,8-methyl-
• CAS号：67449-23-4
• 分子式：C₉H₈N₂O₂
• 分子量：176.17200
• 发布时间：2018-02-24 08:00:00
• 更新时间：2024-01-09 11:43:44

名称

• 中文名: 2,4-二羟基-8-甲基喹唑啉
• 英文名: 8-methyl-1H-quinazoline-2,4-dione
• 英文别名: 8-Methyl-1H-chinazolin-2,4-dion; 8-methyl1H-quinazoline-2,4-dione; 8-methyl-2,4-quinazolinedione; 8-Methyl-quinazoline-2,4-diol; 8-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline; 8-methylquinazoline-2,4-(1H,3H)-dione

物化性质

• 密度: 1.28g/cm3
• 沸点: 485.2ºC at 760mmHg
• 分子式: C₉H₈N₂O₂
• 分子量: 176.17200
• 闪点: 247.2ºC
• 精确质量: 176.05900
• PSA: 65.72000
• LogP: 0.52480
• 折射率: 1.576
• 储存条件: 室温，干燥

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933990090

合成路线

4389-45-1 108-95-2 ~76% 67449-23-4

文献：Pfizer Inc. Patent: US4085213 A1, 1978 ;

4389-45-1 57-13-6 ~77% 67449-23-4

文献：Smits, Rogier A.; Lim, Herman D.; Van Der Meer, Tiffany; Kuhne, Sebastiaan; Bessembinder, Karin; Zuiderveld, Obbe P.; Wijtmans, Maikel; De Esch, Iwan J.P.; Leurs, Rob Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 1 p. 461 - 467

590-28-3 4389-45-1 ~82% 67449-23-4

文献：Sharafi-Kolkeshvandi, Mahnaz; Nikpour, Farzad Chinese Chemical Letters, 2012 , vol. 23, # 4 p. 431 - 433

4389-45-1 ~73% 67449-23-4

文献：SmithKline Beecham Intercredit B.V. Patent: EP322133 B1, 1991 ; Title/Abstract Full Text Show Details SmithKline Beecham Intercredit B.V. Patent: EP322133 A1, 1989 ;

52130-17-3 57-13-6 ~% 67449-23-4

文献：Carna Biosciences Inc.; Crystalgenomics, Inc. Patent: EP2226315 A1, 2010 ; Location in patent: Page/Page column 17 ;

1417801-27-4 ~73% 67449-23-4

文献：Nikpour, Farzad; Havasi, Forugh; Arzegar, Zeinab Heterocycles, 2012 , vol. 85, # 11 p. 2745 - 2748,4 Title/Abstract Full Text Show Details Nikpour, Farzad; Havasi, Forugh; Arzegar, Zeinab Heterocycles, 2012 , vol. 85, # 11 p. 2745 - 2748

115209-85-3 ~% 67449-23-4

文献：Dymek et al. Ann. Univ. Lublin Chem.Abstr., 1953 , vol. 8, p. 65,68, 69 Ann. Univ. Lublin Chem.Abstr., 1957 , p. 6646

上下游产品

上游产品  6
4389-45-1 108-95-2 57-13-6 590-28-3
52130-17-3 115209-85-3
下游产品  1
39576-83-5

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%