4,5-二甲基-1,3-恶唑，CAS 登记号 20662-83-3，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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4,5-dimethyl-1,3-oxazole · CAS 20662-83-3 · C5H7NO.
| CAS Registry Number | 20662-83-3 |
|---|---|
| PubChem CID | 30214 |
| Molecular formula | C5H7NO |
| IUPAC name | 4,5-dimethyl-1,3-oxazole |
| Molecular Weight | 97.12 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 97.052763847 |
| Monoisotopic Mass | 97.052763847 |
| Topological Polar Surface Area | 26 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Reported hazard statements | H226 (100%), H302 (100%), H315 (100%), H319 (100%), H335 (100%) |
|---|
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
4,5-DIMETHYLOXAZOLE; 4,5-Dimethyl-1,3-oxazole; Oxazole, 4,5-dimethyl-; 4,5-dimethyl-oxazole; 5-Methyl-4-methyloxazole; DTXSID30174703; RefChem:96541; DTXCID2097194; 853-563-7; YVORRVFKHZLJGZ-UHFFFAOYSA-N; 20662-83-3; MFCD11110236; C5H7NO; 4,5-DIMETHYLOXAZOLE, Oxazole, 4,5-dimethyl-, CID30214, 20662-83-3; Oxazole,4,5-dimethyl-; SCHEMBL183358
CAS 20662-83-3; molecular formula C5H7NO; molecular weight — g/mol.
4,5-DIMETHYLOXAZOLE, 4,5-Dimethyl-1,3-oxazole, Oxazole, 4,5-dimethyl-, 4,5-dimethyl-oxazole, 5-Methyl-4-methyloxazole, DTXSID30174703.
Hazard statements reported: H226, H302, H315, H319, 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.