636-26-0
636-26-0 structure
- Name: thiothymine
- Chemical Name: 4-Hydroxy-5-Methyl-2-Mercaptopyrimidine
- CAS Number: 636-26-0
- Molecular Formula: C5H6N2OS
- Molecular Weight: 142.179
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Methyl pyrimidine
- Create Date: 2019-01-12 20:10:47
- Modify Date: 2026-06-30 16:00:25
| Name | 4-Hydroxy-5-Methyl-2-Mercaptopyrimidine |
|---|---|
| Synonyms |
Thymine, 2-thio
2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinone 5-METHYL-2-THIOURACIL 2-Mercapto-5-MethylpyriMidin-4-ol 4-HYDROXY-5-METHYL-2-THIOPYRIMIDINE 4-Hydroxy-2-mercapto-5-methylpyrimidine~2-Thiothymine 4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo Uracil, 5-methyl-2-thio 2-Thiothymine 2,3-dihydro-5-methyl-2-thioxo-4(1h)-pyrimidinon MFCD00009777 5-Methyl-2-thioxo-2,3-dihydro-4(1H)-pyrimidinone 1,2-Dihydro-2-thioxo-5-methylpyrimidine-4(3H)-one 4-Hydroxy-5-methyl-2-mercaptopyrimidine 4-HYDROXY-2-MERCAPTO-5-METHYLPYRIMIDINE 2-Mercapto-4-hydroxy-5-methylpyrimidine 4-Hydroxy-5-methylpyrimidine-2-thione 2,3-Dihydro-5-methyl-2-thioxopyrimidin-4(1H)-one Thiothymine 5-Methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one 5-Methyl-2-thioxo-2,3-dihydropyriMidin-4(1H)-one 5-Methyl-2-thiouracil> Nsc9377 5-methyl-2-sulfanylidene-1H-pyrimidin-4-one 4-Hydroxy-2-mercapto-5-methylpyrimidine 4-Hydroxy-5-methyl-2-thiopyrimidine 5-METHYL-2-THIOXO-1,3,5,6-TETRAHYDROPYRIMIDIN-4-ONE 5-Methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one 4-Hydroxy-5-methyl-2-mercaptopyrimidine ISO 9001：2015 REACH 5-Methyl-2-sulfanylpyrimidin-4-ol 4(1H)-Pyrimidinone, 2,3-dihydro-5-methyl-2-thioxo- (9CI) 2-thio-thymin |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 329.7ºC at 760 mmHg |
| Melting Point | 283-286°C |
| Molecular Formula | C5H6N2OS |
| Molecular Weight | 142.179 |
| Flash Point | 153.2ºC |
| Exact Mass | 142.020081 |
| PSA | 80.74000 |
| LogP | 0.31 |
| Index of Refraction | 1.638 |
| Stability | Stable but may be heat or light sensitive. Incompatible with strong oxidizing agents. |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
|
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R22;R40 |
| Safety Phrases | S22-S36/37 |
| RTECS | XP2108500 |
| HS Code | 2933599090 |
|
~76%
636-26-0 |
| Literature: Gu, Shuang-Xi; Yang, Shi-Qiong; He, Qiu-Qin; Ma, Xiao-Dong; Chen, Fen-Er; Dai, Hui-Fang; Clercq, Erik De; Balzarini, Jan; Pannecouque, Christophe Bioorganic and Medicinal Chemistry, 2011 , vol. 19, # 23 p. 7093 - 7099 |
|
~48%
636-26-0 |
| Literature: Coffen; Schaer; Bizzarro; Cheung Journal of Organic Chemistry, 1984 , vol. 49, # 2 p. 296 - 300 |
|
~%
636-26-0 |
| Literature: Archiv der Pharmazie, , vol. 317, # 5 p. 425 - 430 |
|
~%
636-26-0 |
| Literature: American Chemical Journal, , vol. 43, p. 32 |
| Precursor 3 | |
|---|---|
| DownStream 8 | |
| HS Code | 2933599090 |
|---|---|
| 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% |