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5,7-二羟基-4-甲基香豆素
5,7-Dihydroxy-4-methylcoumarin
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3319354 | 1 G | 934 |
产品别名
2107-76-8
5,7-二羟基-4-甲基香豆素
5,7-Dihydroxy-4-methylcoumarin
结构式
基本信息
| Empirical Formula【经验(实验)分子式】 | C10H8O4 |
| Molecular weight | 192.17 |
| EC number【EC 号】 | 218-289-9 |
| MDL number | MFCD00016966 |
| PubChem Substance ID【PubChem化学物质编号】 | 24878696 |
| NACRES | NA.22 |
| General description【一般描述】 | 5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid. |
| Application【应用】 | 5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin. |
| Other Notes【其他说明】 | Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 543594.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin. |
产品性质
| Assay【测定】 | 98% |
| mp | 296-299 ℃ (lit.) |
| SMILES string | CC1=CC(=O)Oc2cc(O)cc(O)c12 |
| InChI | 1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3 |
| InChI key | QNVWGEJMXOQQPM-UHFFFAOYSA-N |
| packaging【包装】 | 1 g in glass bottle |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H302 |
| Precautionary Statements | P301 + P312 + P330 |
| Hazard Classifications【危险分类】 | Acute Tox. 4 Oral |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Gloves |
