636-26-0
中文名称
4-羟基-2-巯基-5-甲基嘧啶
英文名称
4-Hydroxy-5-methyl-2-mercaptopyrimidine
CAS
636-26-0
分子式
C5H6N2OS
MDL 编号
MFCD00009777
分子量
142.18
MOL 文件
636-26-0.mol
更新日期
2025/05/23 16:02:03
636-26-0 结构式
基本信息
中文别名
5-甲基-2-硫尿嘧啶4-羟基-2-巯基-5-甲基嘧啶
英文别名
4-HYDROXY-2-MERCAPTO-5-METHYLPYRIMIDINE4-HYDROXY-5-METHYL-2-THIOPYRIMIDINE
5-METHYL-2-THIOURACIL
5-METHYL-2-THIOXO-1,3,5,6-TETRAHYDROPYRIMIDIN-4-ONE
2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinon
2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinone
2-thio-thymin
2-Thiothymine
5-Methyl-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone
Thiothymine
Thymine, 2-thio-
Uracil, 5-methyl-2-thio-
4-Hydroxy-2-mercapto-5-methylpyrimidine~2-Thiothymine
4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo- (9CI)
5-METHYL-2-THIOURACIL 98+%
4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo-
4-Hydroxy-5-methyl-2-mercaptopyrimidine
4-Hydroxy-5-methylpyrimidine-2-thione
5-Methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one
1,2-Dihydro-2-thioxo-5-methylpyrimidine-4(3H)-one
物理化学性质
外观性状乙酰乙酸乙酯与硫脲、无水碳酸钠反应得到甲基硫氧嘧啶（收率65.5%），这是一种具有苦杏仁味的结晶物，用于生产长效冠状动脉扩张药潘生丁。
熔点283-286°C
密度1.36
折射率1.6430 (estimate)
储存条件Sealed in dry,Room Temperature
酸度系数(pKa)pKa 7.71 (Uncertain)
水溶解性509mg/L(25 ºC)
BRN120488
稳定性稳定但可能对热或光敏感。与强氧化剂不相容。
EPA化学物质信息5-Methyl-2-thiouracil (636-26-0)
