- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2H-1-Benzopyran-2-one,4-chloro-
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Huang
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2H-1-Benzopyran-2-one,4-chloro-
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
17831-88-8
17831-88-8 structure
- Name: 2H-1-Benzopyran-2-one,4-chloro-
- Chemical Name: 4-chlorochromen-2-one
- CAS Number: 17831-88-8
- Molecular Formula: C9H5ClO2
- Molecular Weight: 180.58800
- Create Date: 2018-09-16 12:40:25
- Modify Date: 2024-01-09 10:34:52
| Name | 4-chlorochromen-2-one |
|---|---|
| Synonyms |
4-chloro-2H-benzopyran-2-one
4-chloro-2h-chromen-2-one 4-Chlor-cumarin 3-chlorocoumarin 4-Chlorocoumarin 4-Chloro-2H-1-benzopyran-2-one |
| Density | 1.4g/cm3 |
|---|---|
| Boiling Point | 315.8ºC at 760mmHg |
| Molecular Formula | C9H5ClO2 |
| Molecular Weight | 180.58800 |
| Flash Point | 168ºC |
| Exact Mass | 179.99800 |
| PSA | 30.21000 |
| LogP | 2.44640 |
| Vapour Pressure | 0.000428mmHg at 25°C |
| Index of Refraction | 1.618 |
| HS Code | 2932209090 |
|---|
|
~87%
17831-88-8 |
| Literature: Zhang, Wenjuan; Li, Zhi; Zhou, Meng; Wu, Feng; Hou, Xueyan; Luo, Hao; Liu, Hao; Han, Xuan; Yan, Guoyi; Ding, Zhenyu; Li, Rui Bioorganic and Medicinal Chemistry Letters, 2014 , vol. 24, # 3 p. 799 - 807 |
|
~20%
17831-88-8 |
| Literature: Steinfuehrer, Thorsten; Hantschmann, Achim; Pietsch, Michael; Weissenfels, Manfred Liebigs Annalen der Chemie, 1992 , # 1 p. 23 - 28 |
|
~8%
17831-88-8 |
| Literature: Roma, Giorgio; Piras, Daniela; Di Braccio, Mario; Grossi, Giancarlo Synthesis, 2010 , # 5 art. no. Z22309SS, p. 849 - 857 |
|
~70%
17831-88-8 |
| Literature: Ghosh, Tarun; Sur, Kumar Ranabir; Bandyopadhyay, Chandrakanta Journal of Chemical Research, 2006 , # 10 p. 651 - 654 |
|
~65%
17831-88-8 |
| Literature: Patel, Divyesh; Kumari, Premlata; Patel, Navin B. Medicinal Chemistry Research, 2013 , vol. 22, # 2 p. 726 - 744 |
| Precursor 5 | |
|---|---|
| DownStream 10 | |
![1,3-dimethylchromeno[4,3-b]pyrrol-4-one structure](https://www.chemsrc.com/caspic/488/156742-51-7.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |