3-Methyl-5-Pyrazolone (CAS 108-26-9) — formula C4H6N2O, molecular weight 98.10; category organic chemicals.
| CAS Number | 108-26-9 |
|---|---|
| Molecular Formula | C4H6N2O |
| Molecular Weight | 98.10 |
| LogP | -0.5 |
| Category | Organic Chemicals |
3-Methyl-5-Pyrazolone is a carbon-based organic compound with CAS registry number 108-26-9 and molecular formula C4H6N2O (molecular weight 98.10), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 108-26-9
Its molecular formula C4H6N2O comprises 4 C, 6 H, 2 N, 1 O atoms.
Also known as: 3-Methyl-5-Pyrazolone · 3-甲基-5-吡唑啉酮
Category: organic chemicals
The CAS registry number of 3-Methyl-5-Pyrazolone is 108-26-9.
Molecular formula C4H6N2O, molecular weight 98.10.
It is also registered under: 3-Methyl-5-Pyrazolone, 3-甲基-5-吡唑啉酮.
Category: Organic Chemicals.
Independent reference data for 3-Methyl-5-Pyrazolone (CAS 108-26-9), compiled from public chemistry databases.
| CAS Registry Number | 108-26-9 |
|---|---|
| PubChem CID | 7920 |
| Molecular formula | C4H6N2O |
| IUPAC name | 3-methyl-1,4-dihydropyrazol-5-one |
| UNII (FDA) | P378M0497D |
| Molecular Weight | 98.10 |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 98.048012819 |
| Monoisotopic Mass | 98.048012819 |
| Topological Polar Surface Area | 41.5 |
| Heavy Atom Count | 7 |
3-Methyl-2-pyrazolin-5-one; 3-Methyl-5-pyrazolone; 3-Methyl-1H-pyrazol-5(4H)-one; 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-; 2,4-Dihydro-5-methyl-3H-pyrazol-3-one; NSC 4120; EINECS 203-565-3; BRN 0606503; UNII-P378M0497D; DTXSID2051554; EC 203-565-3; NSC-4120; P378M0497D; RefChem:94745; DTXCID6030106; 1H-PYRAZOL-3-OL, 5-METHYL-
| GHS notification summary | 9% (11 / 122) |
|---|
| GHS notification summary | 9% (11 / 122) |
|---|---|
| Reported hazard statements | H400 (86.1%), H410 (86.1%) |
This chemical does not meet GHS hazard criteria for 9% (11 of 122) of reports.
H400 (86.1%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
3-Methyl-5-Pyrazolone · CAS 108-26-9 · C4H6N2O. UNII P378M0497D.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3-甲基-5-吡唑啉酮