3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one (CAS 4105-90-2) — formula C11H11N3O4, molecular weight 249.22; category organic chemicals.
3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one (CAS 4105-90-2) is a chemical raw material in the organic chemicals category. Its molecular formula C11H11N3O4 comprises 11 C, 11 H, 3 N, 4 O atoms. Its molecular weight is about 249.22. Reported physicochemical data: LogP about 1.5. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 4105-90-2 |
|---|---|
| Molecular Formula | C11H11N3O4 |
| Molecular Weight | 249.22 |
| LogP | 1.5 |
| Category | Organic Chemicals |
3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one is a carbon-based organic compound with CAS registry number 4105-90-2 and molecular formula C11H11N3O4 (molecular weight 249.22), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 4105-90-2
Its molecular formula C11H11N3O4 comprises 11 C, 11 H, 3 N, 4 O atoms.
Also known as: 3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one · 1-(4-硝基苯基)-3-乙氧基-5-吡唑酮
Category: organic chemicals
The CAS registry number of 3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one is 4105-90-2.
Molecular formula C11H11N3O4, molecular weight 249.22.
It is also registered under: 3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one, 1-(4-硝基苯基)-3-乙氧基-5-吡唑酮.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one (CAS 4105-90-2), compiled from public chemistry databases.
| CAS Number | 4105-90-2 |
|---|---|
| PubChem CID | 77746 |
| Molecular Formula | C11H11N3O4 |
| IUPAC Name | 5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one |
| UNII (FDA) | NS00030911 |
| Molecular Weight | 249.22 |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 3 |
| Exact Mass | 249.07495584 |
| Monoisotopic Mass | 249.07495584 |
| Topological Polar Surface Area | 87.7 |
| Heavy Atom Count | 18 |
3H-Pyrazol-3-one, 5-ethoxy-2,4-dihydro-2-(4-nitrophenyl)-; EINECS 223-882-0; DTXSID1063302; 2-Pyrazolin-5-one, 3-ethoxy-1-(p-nitrophenyl)-; 5-Ethoxy-2,4-dihydro-2-(4-nitrophenyl)-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 5-ethoxy-2,4-dihydro-2-(4-(nitrophenyl))-; RefChem:95824; DTXCID5039852; 223-882-0; 4105-90-2; 5-Ethoxy-2-(4-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one; 5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one; 3-Ethoxy-1-(4-nitrophenyl)-2-pyrazolin-5-one; 3H-Pyrazol-3-one,5-ethoxy-2,4-dihydro-2-(4-nitrophenyl)-; 3-Ethoxy-1-(4-nitrophenyl)-1H-pyrazol-5(4H)-one; 3-ethoxy-1-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-5-one
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1-(4-硝基苯基)-3-乙氧基-5-吡唑酮