5-乙基-2-羟基-3-甲基环戊-2-en-1-酮（CAS 53263-58-4）：分子式 C8H12O2、分子量 140.18。
| CAS号 | 53263-58-4 |
|---|---|
| 分子式 | C8H12O2 |
| 分子量 | 140.18 |
| LogP | 1.2 |
| 应用领域 | Use Classification: Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes |
登记用途：Use Classification: Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes。
5-乙基-2-羟基-3-甲基环戊-2-en-1-酮 是一种化工化合物，登记 CAS 号为 53263-58-4，分子式 C8H12O2（分子量 140.18）。
登记 CAS 号：53263-58-4
其分子式 C8H12O2 由 8 个碳、12 个氢、2 个氧 组成。
别名/同义词：5-乙基-2-羟基-3-甲基环戊-2-en-1-酮 · 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one
5-乙基-2-羟基-3-甲基环戊-2-en-1-酮 的 CAS 登记号为 53263-58-4。
分子式 C8H12O2，分子量 140.18。
别名/同义词：5-乙基-2-羟基-3-甲基环戊-2-en-1-酮、5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one。
登记用途：Use Classification: Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes。
5-乙基-2-羟基-3-甲基环戊-2-en-1-酮（CAS 53263-58-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 53263-58-4 |
|---|---|
| PubChem CID | 65427 |
| Molecular formula | C8H12O2 |
| IUPAC name | 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one |
| UNII (FDA) | NS00056413 |
| FEMA number | 3454 |
| JECFA number | 423 |
| Molecular Weight | 140.18 |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 140.083729621 |
| Monoisotopic Mass | 140.083729621 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 10 |
| Density | 1.053-1.060 |
|---|---|
| Refractive Index | 1.478-1.484 |
5-Ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one; 5-Ethyl-2-hydroxy-3-methyl-2-cyclopenten-1-one; DTXSID40967840; RefChem:535505; DTXCID201297337; 53263-58-4; 2-Cyclopenten-1-one, 5-ethyl-2-hydroxy-3-methyl; SCHEMBL1847023; AKOS006326872; DB-317649; NS00056413; 2-Cyclopenten-1-one, 2-hydroxy-5-ethyl-3-methyl
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 891-JECFA 51/103 |
|---|
5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one · CAS 53263-58-4 · C8H12O2. UNII NS00056413. Density: 1.053-1.060; Refractive Index: 1.478-1.484.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one