5751-20-2
5751-20-2 structure
- Name: 2-Methylthio-4-pyrimidone
- Chemical Name: 2-(Methylthio)pyrimidin-4(3H)-one
- CAS Number: 5751-20-2
- Molecular Formula: C5H6N2OS
- Molecular Weight: 142.179
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Thiopyrimidine
- Create Date: 2018-06-11 13:13:25
- Modify Date: 2026-07-15 10:27:46
| Name | 2-(Methylthio)pyrimidin-4(3H)-one |
|---|---|
| Synonyms |
Mizolastine Impurity 16
2-Methylthio-4(3H)-pyriMidinone, cont. ca 6-hydroxy-2-Methylthio-4(3H)-pyriMidinone 2-(METHYLTHIO)PYRIMIDIN-4(3H)-ONE 2-(Methylthio)pyrimidine-4(1H)-one 2-(Methylthio)-4(1H)- pyrimidinone(MTP) 2-METHYLSULFANYL-3H-PYRIMIDIN-4-ONE 2-Methylthio-4-pyrimidinol> 2-Methylthio-4-pyrim 2-(Methylsulfanyl)pyrimidin-4(3H)-one 2-Methylthio-4(3H)-pyrimidone (2R,3R,4S,5R)-2-azanyl-3,4,5,6-tetrahydroxy-hexanal 2-Methylthio-3H-pyriMidin-4-one 2-(Methylthio)-4(3H)-PyriMidinone 2-METHYLTHIO-4-HYDROXY PYRIMIDINE 2-(Methylthio)pyriMidin-4(1H)-one 2-(METHYLTHIO)-4(1H)-PYRIMIDINONE 4(3H)-Pyrimidinone, 2-(methylthio) 2-(Methylthio)pyriMidine-4(3H)-one 2-(methylsulfanyl)-3,4-dihydropyrimidin-4-one 2-Methylthiopyrimidin-4-ol 2-Methyl-1-sulfanylpyriMidin-4-ol 2-METHYLTHIO-4-PYRIMIDONE EINECS 227-274-6 2-Methyl Uracil 2-Methylthio-4-pyrimidinol 2-(Methylsulfanyl)-4(1H)-pyrimidinone 4-Hydroxy-2-methylthiopyrimidine 2-Methylthio-4-pyrimidinol 2-(Methylthio)-4(1H)-pyrimidinone 2-(METHYLSULFANYL)PYRIMIDIN-4-OL 2-Methylthio-4-pyrimidinol 2-METHYLTHIO-4-PYRIMIDONE 2-(Methylthio)-4-pyrimidinol (2R,3R,4S,5R)-2-amino-3,4,5,6-tetrahydroxyhexanal 4(1H)-Pyrimidinone, 2-(methylthio)- (8CI,9CI) 2-Methylo-4-pyrimidinol MFCD00047373 2-(Methylthio)-1H-pyrimidin-4-one 2-(Methylthio)pyrimidin-4 2-Methylthio-4-pyrimidinol ISO 9001：2015 REACH AURORA 2-Methylsulfanyl-1H-pyrimidin-4-one 2-(Methylsulfanyl)-4-pyrimidinol 2-(Methylsulfanyl)pyrimidin-4-ol 2-Methylthiouracil 2-METHYLTHIOPYRIMIDIN-4-OL 2-Methylthio-4-pyrimidino 2-Methylthio-4-Pyrimidinone S-Methyl-2-thiouracil 4-Pyrimidinol, 2-(methylthio) (2R,3R,4S,5R)-2-amino-3,4,5,6-tetrahydroxy-hexanal 2-Methylsulfanylpyrimidin-4(3H)-one 2-methylthiopyrimidin-4-one 2-(Methylsulfanyl)pyrimidin-4(1H)-one 2-METHYLSULFANYL-4-OXOPYRIMIDINE |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 301.2ºC at 760mmHg |
| Melting Point | 202 °C |
| Molecular Formula | C5H6N2OS |
| Molecular Weight | 142.179 |
| Exact Mass | 142.020081 |
| PSA | 71.05000 |
| LogP | 0.26 |
| Index of Refraction | 1.639 |
| Storage condition | 2~8℃ |
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | R22:Harmful if swallowed. R38:Irritating to the skin. |
| Safety Phrases | S22-S36/37 |
| WGK Germany | 3 |
| RTECS | VH6407000 |
| HS Code | 2933599090 |
|
~97%
5751-20-2 |
| Literature: Tibiletti, Francesco; Simonetti, Marco; Nicholas, Kenneth M.; Palmisano, Giovanni; Parravicini, Matteo; Imbesi, Federico; Tollari, Stefano; Penoni, Andrea Tetrahedron, 2010 , vol. 66, # 6 p. 1280 - 1288 |
|
~75%
5751-20-2 |
| Literature: Zahn, Stephan Karl; Boehmelt, Guido; Mantoulidis, Andreas; Reiser, Ulrich; Treu, Matthias; Guertler, Ulrich; Schoop, Andreas; Solca, Flavio; Tontsch-Grunt, Ulrike; Brueckner, Ralph; Reither, Charlotte; Herfurth, Lars; Kraemer, Oliver; Stadtmueller, Heinz; Engelhardt, Harald Patent: US2007/32514 A1, 2007 ; Location in patent: Page/Page column 20 ; US 20070032514 A1 |
|
~70%
5751-20-2 |
| Literature: Grosjean, Sylvain; Triki, Smail; Meslin, Jean-Claude; Julienne, Karine; Deniaud, David Tetrahedron, 2010 , vol. 66, # 52 p. 9912 - 9924 |
|
~13%
5751-20-2
Detail
|
| Literature: Synthetic Communications, , vol. 10, # 10 p. 791 - 798 |
|
~13%
5751-20-2
Detail
|
| Literature: Synthetic Communications, , vol. 10, # 10 p. 791 - 798 |
|
~16%
5751-20-2 |
| Literature: Hayashi, Masahiro; Hisanaga, Yorisata; Yamauchi, Kiyoshi; Kinoshita, Masayoshi Synthetic Communications, 1980 , vol. 10, # 10 p. 791 - 798 |
|
~%
5751-20-2 |
| Literature: Journal of Chemical Research, Miniprint, , # 11 p. 3358 - 3367 |
|
5751-20-2 ~%
5751-20-2 |
| Literature: Journal of the American Chemical Society, , vol. 112, # 6 p. 2147 - 2160 |
| Precursor 7 | |
|---|---|
| DownStream 10 | |
![4-[(4-Hydroxypyrimidin-2-yl)amino]benzonitrile structure](https://image.chemsrc.com/caspic/385/189956-45-4.png)
| 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% |