5-甲基异恶唑-3-甲酸，CAS 登记号 3405-77-4，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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5-Methylisoxazole-3-carboxylic acid · CAS 3405-77-4 · C5H5NO3. UNII YZP807C30G. LogP: 0.68.
| CAS Registry Number | 3405-77-4 |
|---|---|
| PubChem CID | 76947 |
| Molecular formula | C5H5NO3 |
| IUPAC name | 5-methyl-1,2-oxazole-3-carboxylic acid |
| UNII (FDA) | YZP807C30G |
| Molecular Weight | 127.10 |
|---|---|
| XLogP3 | 0.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 127.026943022 |
| Monoisotopic Mass | 127.026943022 |
| Topological Polar Surface Area | 63.3 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| LogP | 0.68 |
|---|
| GHS notification summary | 10% (1 / 10) |
|---|
| GHS notification summary | 10% (1 / 10) |
|---|---|
| Reported hazard statements | H315 (90%), H319 (90%), H335 (80%), H301 (20%), H302, H312, H332 (20%), H311 (20%) |
This chemical does not meet GHS hazard criteria for 10% (1 of 10) of reports.
H315 (90%): Causes skin irritation [Warning Skin corrosion/irritation]
RefChem:503976; 225-454-9; 3-Methyl-5-isoxazolecarboxylic acid; 4857-42-5; 5-carboxy-3-methylisoxazole; 5-Methylisoxazole-3-carboxylic acid; 3405-77-4; 5-methyl-1,2-oxazole-3-carboxylic acid; MFCD01318162; 5-methyl-3-isoxazolecarboxylic acid; 3-ISOXAZOLECARBOXYLIC ACID, 5-METHYL-; 3-CARBOXY-5-METHYLISOXAZOLE; 1267623-84-6; EINECS 222-289-4; UNII-YZP807C30G; YZP807C30G
CAS 3405-77-4; molecular formula C5H5NO3; molecular weight — g/mol.
RefChem:503976, 225-454-9, 3-Methyl-5-isoxazolecarboxylic acid, 4857-42-5, 5-carboxy-3-methylisoxazole, 5-Methylisoxazole-3-carboxylic acid.
10% of GHS notifications report no hazard classification (1 of 10).
LogP: 0.68.
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.