33177-29-6
33177-29-6 structure
- Name: 5,6-dihydro-4-hydroxy-6-methyl-2h-pyran-2-one
- Chemical Name: 5,6-dihydro-4-hydroxy-6-methyl-2h-pyran-2-one
- CAS Number: 33177-29-6
- Molecular Formula: C6H8O3
- Molecular Weight: 128.12600
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-10-09 08:47:36
- Modify Date: 2025-08-26 05:20:12
| Name | 5,6-dihydro-4-hydroxy-6-methyl-2h-pyran-2-one |
|---|---|
| Synonyms |
4-hydroxy-6-methyl-5,6-dihydro-2H-pyran-2-one
4-Hydroxy-5,6-dihydro-6-methyl-2H-pyran-2-one 4-Hydroxy-6-methyl-5,6-dihydro-2-pyranone 5,6-Dihydro-4-hydroxy-6-methyl-2-pyrone MFCD00012356 4-hydroxy-5,6-dihydro-6-methyl-2-pyrone |
| Density | 1.252g/cm3 |
|---|---|
| Boiling Point | 201.5ºC at 760mmHg |
| Melting Point | 126-128ºC(lit.) |
| Molecular Formula | C6H8O3 |
| Molecular Weight | 128.12600 |
| Flash Point | 83.1ºC |
| Exact Mass | 128.04700 |
| PSA | 46.53000 |
| LogP | 0.76370 |
| Index of Refraction | 1.512 |
| Storage condition | 2-8°C |
| WGK Germany | 3 |
|---|---|
| HS Code | 2932999099 |
|
~91%
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| Literature: US2012/116119 A1, ; Page/Page column 5 ; |
|
~79%
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| Literature: US2012/116119 A1, ; Page/Page column 5 ; |
|
~34%
33177-29-6 |
| Literature: US2012/116119 A1, ; Page/Page column 6 ; |
|
~%
33177-29-6 |
| Literature: Monatshefte fuer Chemie, , vol. 113, p. 1213 - 1216 |
|
~%
33177-29-6 |
| Literature: Monatshefte fuer Chemie, , vol. 113, p. 1213 - 1216 |
|
~%
33177-29-6 |
| Literature: Russian Journal of Organic Chemistry, , vol. 34, # 9 p. 1350 - 1354 |
|
~%
33177-29-6 |
| Literature: Journal of Pharmaceutical Sciences, , vol. 79, # 2 p. 138 - 146 |
| Precursor 5 | |
|---|---|
| DownStream 9 | |
![6-methyl-4-[[4-[(2-methyl-6-oxo-2,3-dihydropyran-4-yl)amino]phenyl]amino]-5,6-dihydropyran-2-one structure](https://image.chemsrc.com/caspic/052/79040-13-4.png)
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |