4494-53-5
- Name: 1,3(2H,4H)-Isoquinolinedione,2-methyl-
- Chemical Name: 2-methyl-4H-isoquinoline-1,3-dione
- CAS Number: 4494-53-5
- Molecular Formula: C10H9NO2
- Molecular Weight: 175.18400
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Iodopyridine
- Create Date: 2018-12-25 15:56:31
- Modify Date: 2025-08-27 09:19:18
| Name | 2-methyl-4H-isoquinoline-1,3-dione |
|---|---|
| Synonyms |
4H)-dioxo-2-methylisoquinoline
N-methylhomophthalimide 2-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dione 2-Methyl-4H-isochinolin-1,3-dion |
| Density | 1.248g/cm3 |
|---|---|
| Boiling Point | 355.6ºC at 760 mmHg |
| Melting Point | 121-122 °C |
| Molecular Formula | C10H9NO2 |
| Molecular Weight | 175.18400 |
| Flash Point | 173.4ºC |
| Exact Mass | 175.06300 |
| PSA | 37.38000 |
| LogP | 0.77920 |
| Index of Refraction | 1.584 |
| Storage condition | 2-8°C |
| HS Code | 2933499090 |
|---|
|
~57%
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| Literature: Quiclet-Sire, Beatrice; Zard, Samir Z. Chemical Communications, 2002 , # 20 p. 2306 - 2307 |
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| Literature: American Home Products Patent: US4927831 A1, 1990 ; US 4927831 A |
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~80%
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| Literature: Ling, Ke-Qing; Ye, Jia-Hai; Chen, Xian-Yang; Ma, De-Jian; Xu, Jian-Hua Tetrahedron, 1999 , vol. 55, # 30 p. 9185 - 9204 |
|
~74%
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| Literature: Wolfbeis, Otto S.; Trummer, Iris; Knierzinger, Andreas Liebigs Annalen der Chemie, 1981 , # 5 p. 811 - 818 |
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~%
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| Literature: Quiclet-Sire, Beatrice; Zard, Samir Z. Chemical Communications, 2002 , # 20 p. 2306 - 2307 |
|
~%
4494-53-5 |
| Literature: Datta, D.; Tirodkar, R. B.; Usgaonkar, R. N. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 8 p. 641 - 643 |
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4494-53-5
Detail
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| Literature: Fujimaki; Nagase; Yamaguchi; et al. Chemical and Pharmaceutical Bulletin, 1985 , vol. 33, # 7 p. 2663 - 2670 |
|
~%
4494-53-5 |
| Literature: Datta, D.; Tirodkar, R. B.; Usgaonkar, R. N. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 8 p. 641 - 643 |
|
~%
4494-53-5 |
| Literature: Datta, D.; Tirodkar, R. B.; Usgaonkar, R. N. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 8 p. 641 - 643 |
| Precursor 8 | |
|---|---|
| DownStream 5 | |
![3'-amino-2,5'-dimethyl-1,3,6'-trioxospiro[isoquinoline-4,1'-pyrano[2,3-c]isoquinoline]-2'-carbonitrile structure](https://image.chemsrc.com/caspic/006/82820-48-2.png)
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |