- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
- Price:
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
- Price: ￥328.0/250mg ￥108.0/50mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Methyl 5-bromo-6-oxo-6H-pyran-3-carboxylate
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
42933-07-3
42933-07-3 structure
- Name: Methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
- Chemical Name: methyl 5-bromo-6-oxopyran-3-carboxylate
- CAS Number: 42933-07-3
- Molecular Formula: C7H5BrO4
- Molecular Weight: 233.016
- Create Date: 2019-02-03 10:09:13
- Modify Date: 2024-01-19 05:55:56
| Name | methyl 5-bromo-6-oxopyran-3-carboxylate |
|---|---|
| Synonyms |
methyl 3-bromo-2-oxo-2H-pyran-5-carboxylate
3-bromo-coumalic acid methyl ester 5-Brom-6-oxo-6H-pyran-3-carbonsaeure-methylester 3-bromo methyl coumalate methyl 3-bromocoumalate methyl 3-bromo-2-oxopyran-5-carboxylate 5-bromo-6-oxo-6H-pyran-3-carboxylic acid methyl ester 3-Brom-cumalin-carbonsaeure-(5)-methylester |
| Density | 1.8±0.1 g/cm3 |
|---|---|
| Boiling Point | 285.4±40.0 °C at 760 mmHg |
| Molecular Formula | C7H5BrO4 |
| Molecular Weight | 233.016 |
| Flash Point | 126.4±27.3 °C |
| Exact Mass | 231.937119 |
| PSA | 56.51000 |
| LogP | -0.30 |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.579 |
| Storage condition | 2-8°C |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2932209090 |
|
~83%
42933-07-3 |
| Literature: Ashworth; Bowden; Dembofsky; Levin; Moss; Robinson; Szczur; Virica Organic Process Research and Development, 2003 , vol. 7, # 1 p. 74 - 81 |
|
~%
42933-07-3 |
| Literature: Ashworth; Bowden; Dembofsky; Levin; Moss; Robinson; Szczur; Virica Organic Process Research and Development, 2003 , vol. 7, # 1 p. 74 - 81 |
|
~%
42933-07-3 |
| Literature: v. Pechmann Chemische Berichte, 1884 , vol. 17, p. 2399 Chemische Berichte, 1885 , vol. 18, p. 318 |
| Precursor 3 | |
|---|---|
| DownStream 4 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |