- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one
- Price: ￥858.0/250mg ￥288.0/50mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Shanghai Amole Biotechnology Co., Ltd.
- China
- Product Name: 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one
- Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
- Purity: 97.0%
- Stocking Period: Inquiry
- Contact: Xiyao Wang
- Email: 3623107365@qq.com
55618-81-0
55618-81-0 structure
- Name: 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one
- Chemical Name: 4-Hydroxy-6,7-dihydro-1H-cyclopenta[b]pyridin-2(5H)-one
- CAS Number: 55618-81-0
- Molecular Formula: C8H9NO2
- Molecular Weight: 151.163
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
- Create Date: 2018-12-25 11:34:08
- Modify Date: 2025-08-27 19:05:30
| Name | 4-Hydroxy-6,7-dihydro-1H-cyclopenta[b]pyridin-2(5H)-one |
|---|---|
| Synonyms |
2H-Cyclopenta[b]pyridin-2-one, 1,5,6,7-tetrahydro-4-hydroxy-
4-Hydroxy-1,5,6,7-tetrahydro-2H-cyclopenta[b]pyridin-2-one 1,5,6,7-Tetrahydro-4-hydroxy-2H-cyclopenta[b]pyridin-2-one |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 389.9±42.0 °C at 760 mmHg |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.163 |
| Flash Point | 189.6±27.9 °C |
| Exact Mass | 151.063324 |
| PSA | 53.35000 |
| LogP | 0.24 |
| Vapour Pressure | 0.0±2.0 mmHg at 25°C |
| Index of Refraction | 1.620 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2933990090 |
|
~48%
55618-81-0 |
| Literature: PFIZER LIMITED Patent: US2007/197478 A1, 2007 ; Location in patent: Page/Page column 67 ; |
|
~%
55618-81-0 |
| Literature: Journal of the American Chemical Society, , vol. 71, p. 2205,2207 |
|
~%
55618-81-0 |
| Literature: Helvetica Chimica Acta, , vol. 28, p. 1684,1690 |
|
~%
55618-81-0 |
| Literature: Helvetica Chimica Acta, , vol. 28, p. 1684,1690 |
|
~%
55618-81-0 |
| Literature: Helvetica Chimica Acta, , vol. 28, p. 1684,1690 |
| Precursor 4 | |
|---|---|
| DownStream 2 | |
![6,7-Dihydro-5H-cyclopenta[b]pyridine structure](https://image.chemsrc.com/caspic/308/533-37-9.png)
![2,4-Dichloro-6,7-dihydro-5H-cyclopenta[b]pyridine structure](https://image.chemsrc.com/caspic/272/56946-65-7.png)
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |