4-氯-5-甲基嘧啶，CAS 登记号 51957-32-5，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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4-Chloro-5-methylpyrimidine · CAS 51957-32-5 · C5H5ClN2.
| CAS Registry Number | 51957-32-5 |
|---|---|
| PubChem CID | 13126905 |
| Molecular formula | C5H5ClN2 |
| IUPAC name | 4-chloro-5-methylpyrimidine |
| Molecular Weight | 128.56 |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 128.0141259 |
| Monoisotopic Mass | 128.0141259 |
| Topological Polar Surface Area | 25.8 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| GHS notification summary | 33.3% (1 / 3) |
|---|
| GHS notification summary | 33.3% (1 / 3) |
|---|---|
| Reported hazard statements | H302 (66.7%), H315 (66.7%), H319 (66.7%), H335 (66.7%) |
This chemical does not meet GHS hazard criteria for 33.3% (1 of 3) of reports.
H302 (66.7%): Harmful if swallowed [Warning Acute toxicity, oral]
4-Chloro-5-methylpyrimidine; 51957-32-5; DTXSID30520125; RefChem:291779; DTXCID50470931; 849-623-7; 4-Chloro-5-methyl-pyrimidine; MFCD08236809; Pyrimidine, 4-chloro-5-methyl-; SCHEMBL859279; 4-Chloro-5-methylpyrimidine, 97%; AKOS006285522; CS-W004974; AB44072; SCHEMBL1849503; SCHEMBL3706164
CAS 51957-32-5; molecular formula C5H5ClN2; molecular weight — g/mol.
4-Chloro-5-methylpyrimidine, 51957-32-5, DTXSID30520125, RefChem:291779, DTXCID50470931, 849-623-7.
33.3% of GHS notifications report no hazard classification (1 of 3).
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.