7234-25-5

• 常用中文名：4-甲基-2-甲硫基嘧啶-5-甲酸乙酯
• 常用英文名：Ethyl 4-Methyl-2-(methylthio)-5-pyrimidinecarboxylate
• CAS号：7234-25-5
• 分子式：C₉H₁₂N₂O₂S
• 分子量：212.26900
• 相关类别： 医药中间体 杂环化合物 嘧啶类化合物 硫基嘧啶
• 发布时间：2018-10-23 10:30:58
• 更新时间：2024-01-20 18:01:12

名称

• 中文名: 4-甲基-2-甲硫基嘧啶-5-甲酸乙酯
• 英文名: Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate
• 中文别名: 2-(甲硫基)-4-甲基-5-嘧啶甲酸乙酯; 2-甲基硫代-4-甲基-5-嘧啶羧酸乙酯
• 英文别名: ethyl 4-methyl-2-methylsulfanylpyrimidine-5-carboxylate

物化性质

• 密度: 1.21g/cm3
• 沸点: 322.1ºC at 760mmHg
• 分子式: C₉H₁₂N₂O₂S
• 分子量: 212.26900
• 闪点: 148.6ºC
• 精确质量: 212.06200
• PSA: 77.38000
• LogP: 1.68360
• 折射率: 1.574
• 储存条件: 2-8°C，干燥密封
• 分子结构:

  1、 摩尔折射率：55.35

  2、 摩尔体积（cm³/mol）：174.6

  3、 等张比容（90.2K）：469.3

  4、 表面张力（dyne/cm）：52.2

  5、 极化率（10-24cm3）：21.94

• 计算化学:

  1.疏水参数计算参考值（XlogP）:1.7

  2.氢键供体数量:0

  3.氢键受体数量:5

  4.可旋转化学键数量:4

  5.互变异构体数量:无

  6.拓扑分子极性表面积77.4

  7.重原子数量:14

  8.表面电荷:0

  9.复杂度:201

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:1

MSDS

Material Safety Data Sheet Section1. Identification of the substance Product Name: Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section3. Composition/information on ingredients. Ingredient name:Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate CAS number:7234-25-5 Section4. First aid measures Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution:Wear approved mask/respirator Hand precaution:Wear suitable gloves/gauntlets Skin protection:Wear suitable protective clothing Eye protection:Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section7. Handling and storage Handling:This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels. Storage: Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Appearance:Not specified Boiling point:No data No data Melting point: Flash point:No data Density:No data Molecular formula:C9H12N2O2S Molecular weight:212.3 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, sulfur oxides. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 风险声明 (欧洲): 20/22
• 安全声明 (欧洲): 36/37
• 海关编码: 2933599090

合成路线

14527-26-5 3788-94-1 ~88% 7234-25-5

文献：KUMIAI CHEMICAL INDUSTRY CO., LTD.; Ihara Chemical Industry Co., Ltd. Patent: EP1439169 A1, 2004 ; Location in patent: Page 95 ;

2986-19-8 3788-94-1 ~78% 7234-25-5

文献：MERCK PATENT GMBH; SCHIEMANN, Kai; SCHULTZ, Melanie; STAEHLE, Wolfgang; KOBER, Ingo; WIENKE, Dirk; KRIER, Mireille Patent: WO2010/63352 A1, 2010 ; Location in patent: Page/Page column 88-89 ; WO 2010/063352 A1

14527-26-5 141-97-9 630-19-3 ~% 7234-25-5

文献：Tetrahedron, , vol. 67, # 31 p. 5615 - 5620

66975-53-9 14527-26-5 ~79% 7234-25-5

文献：MERCK PATENT GMBH; BURGDORF, Lars; KUHN, Daniel; ROSS, Tatjana; DEUTSCH, Carl Patent: WO2014/23385 A1, 2014 ; Location in patent: Page/Page column 73; 74; 75 ;

14527-26-5 141-97-9 78-84-2 ~% 7234-25-5 详细

文献：Tetrahedron, , vol. 67, # 31 p. 5615 - 5620

14527-26-5 134653-70-6 ~79% 7234-25-5

文献：Sansebastiano; Mosti; Menozzi; Schenone; Muratore; Petta; Debbia; Pesce Schito; Schito Farmaco, 1993 , vol. 48, # 3 p. 335 - 355

1236204-41-3 ~70% 7234-25-5

文献：Karade, Nandkishor N.; Gampawar V, Sumit; Tale, Nilesh P.; Kedar, Sanjay B. Journal of Heterocyclic Chemistry, 2010 , vol. 47, # 3 p. 740 - 744

141-97-9 ~% 7234-25-5

文献：WO2011/83316 A1, ; WO 2011/083316 A1

3788-94-1 ~% 7234-25-5

文献：Huaxue Xuebao, , vol. 23, p. 145,150 Scientia Sinica (English Edition), , vol. 6, p. 853 Chem.Abstr., , p. 14626

上下游产品

上游产品  8
14527-26-5 3788-94-1 2986-19-8 141-97-9
630-19-3 66975-53-9 78-84-2 134653-70-6
下游产品  6
108123-81-5 81633-29-6 98276-75-6 14001-63-9
902576-09-4 509101-17-1

海关

海关编码	2933599090
中文概述	2933599090. 其他结构上有嘧啶环的化合物(包括其他结构上有哌嗪环的化合物. 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	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%