4-chloro-2-methylpyrazole-3-carbonyl chloride
Modify Date: 2025-08-25 11:46:15
4-chloro-2-methylpyrazole-3-carbonyl chloride structure
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Common Name | 4-chloro-2-methylpyrazole-3-carbonyl chloride | ||
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| CAS Number | 157142-50-2 | Molecular Weight | 179.00400 | |
| Density | 1.55g/cm3 | Boiling Point | 264.6ºC at 760 mmHg | |
| Molecular Formula | C5H4Cl2N2O | Melting Point | N/A | |
| MSDS | N/A | Flash Point | 113.8ºC | |
| Name | 4-chloro-2-methylpyrazole-3-carbonyl chloride |
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| Synonym | More Synonyms |
| Density | 1.55g/cm3 |
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| 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 |
| InChIKey | ZJUBRBFBPOSJDA-UHFFFAOYSA-N |
| SMILES | Cn1ncc(Cl)c1C(=O)Cl |
| HS Code | 2933199090 |
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4-chloro-2-meth... CAS#: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% |
| 4-chloro-1-methyl-1h-pyrazole-5-carbonyl chloride |