脱氢乙酸，CAS 登记号 520-45-6，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，下游主要用于抗氧化剂。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。
抗氧化剂
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本页已列出 脱氢乙酸 的 CAS 号：520-45-6，可与随货 COA 核对。
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主要涉及抗氧化剂。
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Dehydroacetic acid is identified by CAS 520-45-6, molecular formula C8H8O4 and molecular weight 168.04 g/mol. UNII 2KAG279R6R; ChEBI 137426; InChIKey PKLPQOJFHFGVBS-UHFFFAOYSA-N. Melting Point: 109 °C.
| CAS Registry Number | 520-45-6 |
|---|---|
| PubChem CID | 54678494 |
| Molecular formula | C8H8O4 |
| Molecular weight | 168.04 g/mol |
| IUPAC name | 3-acetyl-4-hydroxy-6-methylpyran-2-one |
| InChIKey | PKLPQOJFHFGVBS-UHFFFAOYSA-N |
| UNII (FDA) | 2KAG279R6R |
| ChEBI ID | CHEBI:137426 |
| Molecular Weight | 168.15 |
|---|---|
| XLogP3 | 1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 168.04225873 |
| Monoisotopic Mass | 168.04225873 |
| Topological Polar Surface Area | 63.6 |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Melting Point | 109 °C |
|---|
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 771-03-9; DTXSID801015814; RefChem:1067258; DTXCID001160069; 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-; 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one; 3-acetyl-4-hydroxy-6-methylpyran-2-one; MFCD00006634; 2KAG279R6R; NSC 8770; NSC-139150; 3-Acetyl-6-methyldihydropyrandione-2,4; 3-acetyl-6-methylpyran-2,4(3h)-dione; 3-Acetyl-4-hydroxy-6-methyl-pyran-2-one; 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, delta-lactone
CAS 520-45-6; molecular formula C8H8O4; molecular weight 168.04 g/mol.
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one, 771-03-9, DTXSID801015814, RefChem:1067258, DTXCID001160069, 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-.
Melting Point: 109 °C.
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.