1-乙基-3-甲基-1H-吡唑-5-羰基氯，CAS 登记号 128249-59-2，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE · CAS 128249-59-2 · C7H9ClN2O.
| CAS Registry Number | 128249-59-2 |
|---|---|
| PubChem CID | 2737415 |
| Molecular formula | C7H9ClN2O |
| IUPAC name | 2-ethyl-5-methylpyrazole-3-carbonyl chloride |
| Molecular Weight | 172.61 |
|---|---|
| XLogP3 | 1.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 172.0403406 |
| Monoisotopic Mass | 172.0403406 |
| Topological Polar Surface Area | 34.9 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%), H312 (100%), H314 (100%), H332 (100%), H335 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
128249-59-2; 1-Ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride; DTXSID50372047; RefChem:230298; DTXCID60323080; 2-ethyl-5-methylpyrazole-3-carbonyl chloride; MFCD01313846; 1-Ethyl-3-Methylpyrazole-5-Carbonyl Chloride; 1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYLCHLORIDE; 1H-Pyrazole-5-carbonyl chloride, 1-ethyl-3-methyl-; 1H-Pyrazole-5-carbonylchloride, 1-ethyl-3-methyl-; SCHEMBL3057252; ALEXVLREJYSWDY-UHFFFAOYSA-N; SBB088722; AKOS006344197; BS-20614
CAS 128249-59-2; molecular formula C7H9ClN2O; molecular weight — g/mol.
128249-59-2, 1-Ethyl-3-methyl-1H-pyrazole-5-carbonyl chloride, DTXSID50372047, RefChem:230298, DTXCID60323080, 2-ethyl-5-methylpyrazole-3-carbonyl chloride.
Hazard statements reported: H302, H312, H314, H332, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.