137628-17-2
137628-17-2 structure
- Name: 2,3-Dibromo-5-chloropyridine
- Chemical Name: 5-Chloro-2,3-dibromopyridine
- CAS Number: 137628-17-2
- Molecular Formula: C5H2Br2ClN
- Molecular Weight: 271.337
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Chloropyridine
- Create Date: 2018-04-12 08:00:00
- Modify Date: 2026-07-03 18:50:47
| Name | 5-Chloro-2,3-dibromopyridine |
|---|---|
| Synonyms |
2,3-DIBROMO-5-DICHLOROPYRIDINE
Atogant Impurity 25 2,3-Dibromo-5-chL 2,3-DibroMo-5-chloropyridine 2,3 DIBROMO-5-CHLORO PYRIDINE 3-Dibromo-5-chloropyridine 2,3-Dibromo-5-chloropyridine> Pyridine2,3-dibromo-5-chloropyridine 2,3 Dibromo-5-Chloro Pyridine Pyridine, 2,3-dibromo-5-chloro T6NJ BE CE EG 2,3 DIBROMO-5-CHLORO PYRIDINE ISO 9001：2015 REACH 7-Bromopicolinic acid 5-CHLORO-2,3-DIBROMOPYRIDINE |
| Density | 2.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 259.9±35.0 °C at 760 mmHg |
| Melting Point | 41.0 to 45.0 °C |
| Molecular Formula | C5H2Br2ClN |
| Molecular Weight | 271.337 |
| Flash Point | 111.0±25.9 °C |
| Exact Mass | 268.824249 |
| PSA | 12.89000 |
| LogP | 3.15 |
| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
| Index of Refraction | 1.620 |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | 26-37 |
| RIDADR | UN 2811 6.1 / PGIII |
| HS Code | 2933399090 |
|
~45%
Detail
|
| Literature: Pfizer Inc. Patent: US5436344 A1, 1995 ; |
|
~45%
137628-17-2 |
| Literature: Quallich, George J.; Fox, Darrell E.; Friedmann, Robert C.; Murtiashaw, C. William Journal of Organic Chemistry, 1992 , vol. 57, # 2 p. 761 - 764 |
|
~52%
137628-17-2 |
| Literature: Pfizer Inc. Patent: US5068333 A1, 1991 ; US 5068333 A |
|
~%
137628-17-2 |
| Literature: Tetrahedron, , vol. 60, # 51 p. 11869 - 11874 |
| Precursor 4 | |
|---|---|
| DownStream 8 | |
![3-bromo-5-chloro-2-[4-(oxan-2-yloxy)butyl]pyridine structure](https://image.chemsrc.com/caspic/099/137628-18-3.png)
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |