1,2,4-三氮唑-3-羧酸甲酯 (CAS No.4928-88-5)
- 中文别名
- 三氮唑羧酸甲酯；核苷碱；1,2,4-三氮唑-3-甲酸甲酯
- 英文名称
- Methyl 1H-1,2,4-triazole-3-carboxylate
- 分子式
- C4H5N3O2
- 所属类别
- 中间体
- 物化性质
- 白色至类白色结晶性粉末，微有特殊气味。易溶于甲醇、乙醇、乙酸乙酯等有机溶剂，微溶于水。熔点约105~110℃，沸点约290℃，相对密度约1.32。对光和空气较稳定，建议密封避光保存。
- 外观
- 白色至类白色结晶粉末。
- 熔点
- 105～110℃。
English description（英文原文，共 1075 字符）
Product Name:Methyl 1H-1,2,4-triazole-3-carboxylate
English Name:Methyl 1H-1,2,4-triazole-3-carboxylate
CAS No.:4928-88-5
Aliases:Triazole carboxylic acid methyl ester, 1H-1,2,4-Triazole-3-carboxylic acid methyl ester
Molecular Formula:C4H5N3O2
Physical Properties:White to off-white crystalline powder with a slight characteristic odor. Easily soluble in methanol, ethanol, ethyl acetate and other organic solvents, slightly soluble in water. Melting point about 105–110°C, boiling point about 290°C, relative density about 1.32. Relatively stable to light and air, recommended to be stored sealed and protected from light.
Uses:Mainly used as a pharmaceutical intermediate for the synthesis of triazole antifungal drugs and nucleoside analogues. It is also used in organic synthesis to construct heterocyclic compounds, with applications in pesticide and fine chemical fields.
Technical Specifications:
Appearance: white to off-white crystalline powder.
Assay (HPLC): ≥98.0%.
Melting point: 105–110°C.
Loss on drying: ≤0.5%.
Water content (Karl Fischer): ≤0.3%.
English Name:Methyl 1H-1,2,4-triazole-3-carboxylate
CAS No.:4928-88-5
Aliases:Triazole carboxylic acid methyl ester, 1H-1,2,4-Triazole-3-carboxylic acid methyl ester
Molecular Formula:C4H5N3O2
Physical Properties:White to off-white crystalline powder with a slight characteristic odor. Easily soluble in methanol, ethanol, ethyl acetate and other organic solvents, slightly soluble in water. Melting point about 105–110°C, boiling point about 290°C, relative density about 1.32. Relatively stable to light and air, recommended to be stored sealed and protected from light.
Uses:Mainly used as a pharmaceutical intermediate for the synthesis of triazole antifungal drugs and nucleoside analogues. It is also used in organic synthesis to construct heterocyclic compounds, with applications in pesticide and fine chemical fields.
Technical Specifications:
Appearance: white to off-white crystalline powder.
Assay (HPLC): ≥98.0%.
Melting point: 105–110°C.
Loss on drying: ≤0.5%.
Water content (Karl Fischer): ≤0.3%.
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常见问题
- 1,2,4-三氮唑-3-羧酸甲酯的 CAS 号是多少？
- 1,2,4-三氮唑-3-羧酸甲酯的 CAS 号是 4928-88-5。
- 1,2,4-三氮唑-3-羧酸甲酯的分子式和分子量是什么？
- 1,2,4-三氮唑-3-羧酸甲酯的分子式为 C4H5N3O2。
- 1,2,4-三氮唑-3-羧酸甲酯的英文名称是什么？
- 1,2,4-三氮唑-3-羧酸甲酯的英文名称为 Methyl 1H-1,2,4-triazole-3-carboxylate。
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- 1,2,4-三氮唑-3-羧酸甲酯又称 三氮唑羧酸甲酯、核苷碱、1,2,4-三氮唑-3-甲酸甲酯。
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