179688-52-9

• 常用中文名：6-羟基-7-甲氧基-3H-喹唑啉-4-酮
• 常用英文名：6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one
• CAS号：179688-52-9
• 分子式：C₉H₈N₂O₃
• 分子量：192.171
• 发布时间：2018-12-05 16:52:12
• 更新时间：2026-07-08 22:12:30

名称

• 中文名: 6-羟基-7-甲氧基-3H-喹唑啉-4-酮
• 英文名: 6-hydroxy-7-methoxy-1H-quinazolin-4-one
• 中文别名: 吉非替尼中间体3; ERLOTINIB 杂质B; 吉非替尼脱甲基 6-羟基-7-甲氧基喹唑啉-4-酮; 6-羟基-7-甲氧基-3,4-二氢喹唑啉-4(3H)-酮; 6-羟基-7-甲氧基-3,4-二氢喹唑啉-4-酮; 6-羟基-7-甲氧基-3H-喹唑啉-4-酮/6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one; 吉非替尼脱甲基; 6-羟基-7-甲氧基喹唑啉-4-酮; 6-羟基-7-甲氧基喹唑啉-4-酮 吉非替尼中间体; 6-羟基-7- METHOXYQUINAZO林-4(3H) - 酮; 吉非替尼中间体III; 6-羟基-7-甲氧基喹唑啉-4(3H)-酮
• 英文别名: 6-hydroxy-7-methoxyquinazoline-4(3H)-one; 6-Hydroxy-7-methoxyquinazolin-4(3H)-one; 6-Hydroxy-7-methoxy-4(3H)-quinazolinone; 6-hydroxy-7-(methyloxy)-4(3H)-quinazolinone; 6-Hydroxy-7-methoxy-4(3H)-Quinazolinone; 6-hydydroxy-7-methoxyquinazoline-4-one; 6-Hydroxy-7-methoxychinazolin-4(3H)-on; 6-Hydroxy-7-Methoxyquinazolin-4(1H)-one; 6-Hydroxy-7-methoxyquinazolin-4(1H)-one; 6-Hydroxy-7-methoxyquinazoline-4(3H)-one; 6-Hydroxy-7-methoxy-3H-quinazolin-4-one; Gefitinib interMediate III; Erlotinib Impurity BQ: What is Erlotinib Impurity B Q: What is the CAS Number of Erlotinib Impurity B Q: What is the storage condition of Erlotinib Impurity B Q: What e the applications of Erlotinib Impurity B; 4-dihydroquinazolin-4-one; 6-Hydroxy-7-Methoxy-4(b)(1H)-Quinazolinone; 4(1H)-Quinazolinone,6-hydroxy-7-Methoxy- (9CI); 6-Hydroxy-7-methoxy-3; MFCD07787563; 6-HYDROXY-7-METHOXY-3,4-DIHYDROQUINAZOLIN-4-ONE; 7-METHOXYQUINAZOLINE-4,6-DIOL; 6-hydroxy-7-methoxy-3H-quinazoline-4-one; 4(3H)-Quinazolinone, 6-hydroxy-7-Methoxy; 6-Hydroxy-7-methoxy-4(1H)-quinazolinone; 6-Hydroxy-7-methoxy-3H-Quinazolin-4-one; 6-Hydroxy-7-Methoxyquinazoline-4-One; 3,4-dihydro-4-oxo-6-hydroxy-7-methoxy-quinazoline; 6-hydroxy-7-methoxy-3,4-dihydroquinazolin-4(3H)-one

物化性质

• 密度: 1.5±0.1 g/cm3
• 沸点: 503.3±40.0 °C at 760 mmHg
• 熔点: 291 °C
• 分子式: C₉H₈N₂O₃
• 分子量: 192.171
• 闪点: 258.2±27.3 °C
• 精确质量: 192.053497
• PSA: 75.21000
• LogP: -0.26
• 外观性状: 固体;White to Almost white powder to crystal
• 蒸汽压: 0.0±1.3 mmHg at 25°C
• 折射率: 1.659
• 储存条件: 室温，密封

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933990090

合成路线

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下游产品  7
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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%