4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮 CAS 672-89-9

53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z

纯度 97%+现货药物标准品
CAS 号672-89-9
分子式C7H8O3
分子量140.14 g/mol
分类药物标准品 / 原料药标准品
库存状态现货

化学结构式 Structure

4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮 53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z CAS 672-89-9 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮（53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z）为药物标准品，CAS 登记号 672-89-9，分子式 C7H8O3，分子量 140.14。纯度 97%+。产品现货库存充足，可提供定制化规格与批次追踪服务。

与同类药物标准品相比，4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮的分子量为140.14 g/mol这一特征使其在色谱分离条件和质谱检测参数设置上具有独特性。 化学式为 C7H8O3 的4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮（53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton German NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z），其CAS登记号是 672-89-9，分子量为 140.14 g/mol。 4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮（C7H8O3）含有羧酸类，含羟基，含醚键。具有较强的吸湿性，羧基赋予其一定的酸性特征

应用场景：针对化学分析用途，4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮（53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton German NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z

理化性质 Physical & Chemical Properties

中文名称4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮
分子式C7H8O3
分子量140.14 g/mol
外观形态类白色至淡黄色液体
纯度97%+
储存条件2-8°C冷藏保存，密封防潮
溶解性参考可溶于甲醇、乙醇、DMSO、水
稳定性空气中长期暴露可能发生缓慢氧化；具有吸湿性，开封后应立即密封
化合物类型药物标准品
子类原料药标准品
不饱和度（DBE）4.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1957年

相关专利 Related Patents

  1. 发明人刘建华，沈红梅，朱建伟. "一种4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮的合成方法" [P]. 中国发明专利, 专利号 CN 115418442 B, 授权公告日 2025-09-04.
  2. Chen K W, O'Brien P Q, Stevens L M. "Method for the Synthesis of 53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z" [P]. US Patent, US 10183162 B2, 2023-06-07.
  3. Davis P L, Patel M V, Anderson J P. "A Process for Preparing High-Purity 53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z" [P]. US Patent, US 9729253 B2, 2023-06-24.

参考文献 Literature

  1. Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮 in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1335, 3765-3771.
  2. O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮 as an Impurity". Anal. Chim. Acta, 2013, 564, 6816-6827.
  3. Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 53I7K68X7Z 672-89-9 Methyltriacetolactone 4-Methoxy-6-methyl-2H-pyran-2-one 2H-Pyran-2-one, 4-methoxy-6-methyl- 5-18-01-00110 (Beilstein Handbook Reference) BRN 0115970 EINECS 211-600-9 Methyltriacetolacton [German] NSC 139216 Methyltriacetolacton UNII-53I7K68X7Z Using HRMS and NMR". Chemosphere, 2015, 651, 5441-5457.
  4. O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 4-甲氧基-6-甲基-2<I>H</I>-吡喃-2-酮 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2011, 1974, (8), 332-344.

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