41340-19-6

• 常用中文名：8-甲基依托酸
• 常用英文名：2-(1-ethyl-8-methyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl)acetic acid
• CAS号：41340-19-6
• 分子式：C₁₆H₁₉NO₃
• 分子量：273.32700
• 发布时间：2016-01-29 01:53:51
• 更新时间：2026-07-01 18:16:04

名称

• 中文名: 8-甲基依托酸
• 英文名: 2-(1-ethyl-8-methyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl)acetic acid
• 中文别名: 8-甲基依托度酸; 依托度酸杂质B; 2-(1-乙基-8-甲基-1,3,4,9-四氢吡喃[3,4-B]吲哚-1-基)乙酸 (依托度酸杂质); 依托度酸杂质B 标准品; 依托度酸 杂质B; 依托度酸杂质2(依托度酸杂质B); 1-乙基-1,3,4,9-四氢-8-甲基吡喃并[3,4-B]吲哚-1-乙酸
• 英文别名: Etodolac Impurity BQ: What is Etodolac Impurity B Q: What is the CAS Number of Etodolac Impurity B Q: What is the storage condition of Etodolac Impurity B Q: What e the applications of Etodolac Impurity B; Etodolac Impurity B; 2-[(1RS)-1-Ethyl-8-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic Acid (8-Methyl Etodolac); Pyrano[3,4-b]indole-1-acetic acid, 1-ethyl-1,3,4,9-tetrahydro-8-methyl; Etodolac Impurity 2 （Etodolac Impurity B); 1-Ethyl-8-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid; 1-Ethyl-1,3,4,9-tetrahydro-8-methylpyrano[3,4-b]indole-1-acetic acid; Etoronic acid Impurity B; (1-ethyl-8-methyl-1,3,4,9-tetrahydro-pyrano[3,4-b]indol-1-yl)-acetic acid; 8-Methyl Etodolac; 2-[(1RS)-1-Ethyl-8-methyl-1,3,4,9-t; Etodolac Impurity 2; 2-(1-Ethyl-8-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl)acetic acid (Etodolac Impurity); Etodolac Impurity B (8-Methyl Etodolac)

物化性质

• 密度: 1.187g/cm3
• 沸点: 437.3ºC at 760 mmHg
• 分子式: C₁₆H₁₉NO₃
• 分子量: 273.32700
• 闪点: 218.3ºC
• 精确质量: 273.13600
• PSA: 62.32000
• LogP: 3.12900
• 折射率: 1.588

安全

• 海关编码: 2934999090

合成路线

39232-85-4 4949-44-4 ~% 41340-19-6

文献：Demerson,C.A. et al. Journal of Medicinal Chemistry, 1976 , vol. 19, p. 391 - 395

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海关

海关编码	2934999090
中文概述	2934999090. 其他杂环化合物. 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
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%