5-Hydroxy-1-methylpyrazole (CAS 33641-15-5) — formula C4H6N2O, molecular weight 98.10; category organic chemicals.
| CAS Number | 33641-15-5 |
|---|---|
| Molecular Formula | C4H6N2O |
| Molecular Weight | 98.10 |
| LogP | -0.1 |
| Category | Organic Chemicals |
5-Hydroxy-1-methylpyrazole is a carbon-based organic compound with CAS registry number 33641-15-5 and molecular formula C4H6N2O (molecular weight 98.10), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 33641-15-5
Its molecular formula C4H6N2O comprises 4 C, 6 H, 2 N, 1 O atoms.
Also known as: 5-Hydroxy-1-methylpyrazole · 5-羟基-1-甲基吡唑
Category: organic chemicals
The CAS registry number of 5-Hydroxy-1-methylpyrazole is 33641-15-5.
Molecular formula C4H6N2O, molecular weight 98.10.
It is also registered under: 5-Hydroxy-1-methylpyrazole, 5-羟基-1-甲基吡唑.
Category: Organic Chemicals.
Independent reference data for 5-Hydroxy-1-methylpyrazole (CAS 33641-15-5), compiled from public chemistry databases.
| CAS Registry Number | 33641-15-5 |
|---|---|
| PubChem CID | 10986160 |
| Molecular formula | C4H6N2O |
| IUPAC name | 2-methyl-1H-pyrazol-3-one |
| Molecular Weight | 98.10 |
|---|---|
| XLogP3 | -0.1 |
| 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 | 32.3 |
| Heavy Atom Count | 7 |
1-methyl-1H-pyrazol-5-ol; 33641-15-5; 5-Hydroxy-1-methyl-1H-pyrazole; DTXSID301312855; RefChem:433879; DTXCID301225694; 608-897-6; 5-Hydroxy-1-methylpyrazole; 2-methyl-1H-pyrazol-3(2H)-one; 3310-35-8; 2-methyl-1H-pyrazol-3-one; MFCD05864418; MFCD20527389; 1-methyl-5-hydroxypyrazole; CS-0151204; 1H-Pyrazol-5-ol, 1-methyl-
| GHS notification summary | 10.9% (5 / 46) |
|---|
| GHS notification summary | 10.9% (5 / 46) |
|---|---|
| Reported hazard statements | H302 (84.8%), H315 (89.1%), H318 (84.8%), H335 (84.8%) |
This chemical does not meet GHS hazard criteria for 10.9% (5 of 46) of reports.
H302 (84.8%): Harmful if swallowed [Warning Acute toxicity, oral]
5-Hydroxy-1-methylpyrazole · CAS 33641-15-5 · C4H6N2O.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 5-羟基-1-甲基吡唑