157142-50-2
157142-50-2 structure
- Name: 4-chloro-2-methylpyrazole-3-carbonyl chloride
- Chemical Name: 4-chloro-2-methylpyrazole-3-carbonyl chloride
- CAS Number: 157142-50-2
- Molecular Formula: C5H4Cl2N2O
- Molecular Weight: 179.00400
- Create Date: 2018-12-01 17:30:09
- Modify Date: 2025-08-25 11:46:15
| Name | 4-chloro-2-methylpyrazole-3-carbonyl chloride |
|---|---|
| Synonyms | 4-chloro-1-methyl-1h-pyrazole-5-carbonyl chloride |
| Density | 1.55g/cm3 |
|---|---|
| Boiling Point | 264.6ºC at 760 mmHg |
| Molecular Formula | C5H4Cl2N2O |
| Molecular Weight | 179.00400 |
| Flash Point | 113.8ºC |
| Exact Mass | 177.97000 |
| PSA | 34.89000 |
| LogP | 1.45250 |
| Vapour Pressure | 0.00964mmHg at 25°C |
| Index of Refraction | 1.611 |
| HS Code | 2933199090 |
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157142-50-2 |
| Literature: Allergan, Inc. Patent: US2007/32478 A1, 2007 ; Location in patent: Page/Page column 86-87 ; US 20070032478 A1 |
| Precursor 1 | |
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| DownStream 0 | |
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |