5-羟基-4-甲基-2(5H)-呋喃酮（CAS 40834-42-2）：分子式 C5H6O3、分子量 114.10。
| CAS号 | 40834-42-2 |
|---|---|
| 分子式 | C5H6O3 |
| 分子量 | 114.10 |
| LogP | -0.4 |
5-羟基-4-甲基-2(5H)-呋喃酮 是一种化工化合物，登记 CAS 号为 40834-42-2，分子式 C5H6O3（分子量 114.10）。
登记 CAS 号：40834-42-2
其分子式 C5H6O3 由 5 个碳、6 个氢、3 个氧 组成。
别名/同义词：5-羟基-4-甲基-2(5H)-呋喃酮 · 5-Hydroxy-4-methyl-2(5H)-furanone
5-羟基-4-甲基-2(5H)-呋喃酮 的 CAS 登记号为 40834-42-2。
分子式 C5H6O3，分子量 114.10。
别名/同义词：5-羟基-4-甲基-2(5H)-呋喃酮、5-Hydroxy-4-methyl-2(5H)-furanone。
5-羟基-4-甲基-2(5H)-呋喃酮（CAS 40834-42-2）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 40834-42-2 |
|---|---|
| PubChem CID | 115301 |
| Molecular formula | C5H6O3 |
| IUPAC name | 2-hydroxy-3-methyl-2H-furan-5-one |
| UNII (FDA) | NS00003952 |
| Molecular Weight | 114.10 |
|---|---|
| XLogP3 | -0.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 114.031694049 |
| Monoisotopic Mass | 114.031694049 |
| Topological Polar Surface Area | 46.5 |
| Heavy Atom Count | 8 |
5-Hydroxy-4-methyl-2(5H)-furanone; 5-hydroxy-4-methyl-2,5-dihydrofuran-2-one; 2(5H)-Furanone, 5-hydroxy-4-methyl-; 4-Methyl-5-hydroxy-2(5H)-furanone; EC 609-869-6; 5-hydroxy-4-methyl-2[5H]-furanone; RefChem:439911; 609-869-6; 40834-42-2; 5-hydroxy-4-methylfuran-2(5H)-one; 5-HYDROXY-4-METHYL-2(5H)FURANONE; 2-hydroxy-3-methyl-2H-furan-5-one; MFCD07782086; 5-Hydroxy-4-methyl-5H-furan-2-one; SCHEMBL363396; DTXSID30961251
| Reported hazard statements | H302 (100%), H315 (100%), H319 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
5-Hydroxy-4-methyl-2(5H)-furanone · CAS 40834-42-2 · C5H6O3. UNII NS00003952.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 5-Hydroxy-4-methyl-2(5H)-furanone