51751-33-8
51751-33-8 structure
- Name: methyl 2-methyl-4-oxo-chromene-3-carboxylate
- Chemical Name: methyl 2-methyl-4-oxochromene-3-carboxylate
- CAS Number: 51751-33-8
- Molecular Formula: C12H10O4
- Molecular Weight: 218.20500
- Create Date: 2017-03-24 13:32:23
- Modify Date: 2024-02-11 12:23:26
| Name | methyl 2-methyl-4-oxochromene-3-carboxylate |
|---|---|
| Synonyms | methyl 2-methyl-4-oxo-chromene-3-carboxylate |
| Density | 1.278g/cm3 |
|---|---|
| Boiling Point | 320.4ºC at 760 mmHg |
| Molecular Formula | C12H10O4 |
| Molecular Weight | 218.20500 |
| Flash Point | 140.8ºC |
| Exact Mass | 218.05800 |
| PSA | 56.51000 |
| LogP | 1.88800 |
| Index of Refraction | 1.562 |
| HS Code | 2918300090 |
|---|
|
~48%
51751-33-8 |
| Literature: BRISTOL-MYERS SQUIBB COMPANY; BATT, Douglas, G. Patent: WO2010/9069 A1, 2010 ; Location in patent: Page/Page column 39 ; WO 2010/009069 A1 |
|
~%
51751-33-8 |
| Literature: Warner-Lambert Company Patent: US3937837 A1, 1976 ; |
|
~4%
51751-33-8 |
| Literature: Ghosh, Chandra Kanta; Sahana, Sirin; Ghosh, Chandreyi Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 7 p. 669 - 672 |
|
~%
51751-33-8 |
| Literature: Ghosh, Chandra Kanta; Sahana, Sirin; Ghosh, Chandreyi Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 7 p. 669 - 672 |
|
~%
51751-33-8 |
| Literature: Charlton, James L.; Sayeed, Vilayat A.; Lypka, Gerald N. Canadian Journal of Chemistry, 1982 , vol. 60, p. 1996 - 2001 |
|
~56%
51751-33-8 |
| Literature: Babin, P.; Dunogues, J.; Petraud, M. Tetrahedron, 1981 , vol. 37, p. 1131 - 1139 |
|
~%
51751-33-8 |
| Literature: Babin, P.; Dunogues, J.; Petraud, M. Tetrahedron, 1981 , vol. 37, p. 1131 - 1139 |
|
~%
51751-33-8 |
| Literature: Ghosh, Chandra Kanta; Pal, Chandana; Maiti, Jharna; Bhattacharyya, Atanu Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1989 , vol. 28, # 1-11 p. 448 - 453 |
| Precursor 9 | |
|---|---|
| DownStream 5 | |
![spiro[4H-pyrano[4,3-b]chromene-3,1'-cyclohexane]-1,10-dione structure](https://www.chemsrc.com/caspic/382/83344-76-7.png)
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |