Oxaprozin (CAS 21256-18-8) — formula C18H15NO3, molecular weight 293.3; category pharmaceutical intermediates and APIs.
Oxaprozin (CAS 21256-18-8) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C18H15NO3 comprises 18 C, 15 H, 1 N, 3 O atoms. Its molecular weight is about 293.3. Reported physicochemical data: melting point around 158-159 °C, LogP about 4.19. 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 | 21256-18-8 |
|---|---|
| Molecular Formula | C18H15NO3 |
| Molecular Weight | 293.3 |
| Melting Point | 158-159 °C |
| LogP | 4.19 |
| Applications | MEDICATION, Therapeutic Category: Anti-inflammatory, Use (kg) in USA (2002): 18900, Consumption (g per capita) in the USA (2002): 0.067, Calculated removal (%): 96.9, Pharmaceuticals |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: MEDICATION, Therapeutic Category: Anti-inflammatory, Use (kg) in USA (2002): 18900, Consumption (g per capita) in the USA (2002): 0.067, Calculated removal (%): 96.9, Pharmaceuticals.
Oxaprozin is a pharmaceutical intermediate or API compound with CAS registry number 21256-18-8 and molecular formula C18H15NO3 (molecular weight 293.3), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 21256-18-8
Its molecular formula C18H15NO3 comprises 18 C, 15 H, 1 N, 3 O atoms.
Also known as: Oxaprozin · 奥沙普嗪
Category: pharmaceutical intermediates and APIs
The CAS registry number of Oxaprozin is 21256-18-8.
Molecular formula C18H15NO3, molecular weight 293.3.
It is also registered under: Oxaprozin, 奥沙普嗪.
Recorded applications: MEDICATION, Therapeutic Category: Anti-inflammatory, Use (kg) in USA (2002): 18900, Consumption (g per capita) in the USA (2002): 0.067, Calculated removal (%): 96.9, Pharmaceuticals.
Category: Pharmaceutical Intermediates & APIs.
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 Oxaprozin (CAS 21256-18-8), compiled from public chemistry databases.
| CAS Registry Number | 21256-18-8 |
|---|---|
| PubChem CID | 4614 |
| Molecular formula | C18H15NO3 |
| IUPAC name | 3-(4,5-diphenyl-1,3-oxazol-2-yl)propanoic acid |
| UNII (FDA) | MHJ80W9LRB |
| Molecular Weight | 293.3 |
|---|---|
| XLogP3 | 4.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 5 |
| Exact Mass | 293.10519334 |
| Monoisotopic Mass | 293.10519334 |
| Topological Polar Surface Area | 63.3 |
| Heavy Atom Count | 22 |
| Melting Point | 158-159 °C |
|---|---|
| Melting Point | 160.5 to 161.5 °C |
| Melting Point | 158 - 159 °C |
| Solubility | 3.25e-02 g/L |
| LogP | 4.19 |
| LogP | log Kow = 4.19 |
| LogP | 3.7 |
| LogP | 2.82 |
| Dissociation Constants | 4.3 |
| Dissociation Constants | pKa = 4.3 |
oxaprozin; 21256-18-8; Daypro; 3-(4,5-Diphenyloxazol-2-yl)propanoic acid; Alvo; Oxaprozine; Oxaprozinum; Deflam; Oxaprozina; 4,5-Diphenyl-2-oxazolepropanoic acid; 4,5-Diphenyl-2-oxazolepropionic acid; WY-21743; WY-21,743; 2-Oxazolepropanoic acid, 4,5-diphenyl-; Duraprox; DTXSID1045118
| Reported hazard statements | H302 (25%), H315 (25%), H319 (25%), H411 (25%), H412 (25%), H413 (25%) |
|---|
H302 (25%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (25%): Causes skin irritation [Warning Skin corrosion/irritation]
Oxaprozin · CAS 21256-18-8 · C18H15NO3. UNII MHJ80W9LRB. Melting Point: 158-159 °C; Melting Point: 160.5 to 161.5 °C; Melting Point: 158 - 159 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 奥沙普嗪