4-(Pyridin-2-yl)isoxazol-5(2H)-one CAS 91632-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91632-32-5 |
| Molecular Formula | C8H6N2O2 |
| Molecular Weight | 162.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-(Pyridin-2-yl)isoxazol-5(2H)-one (CAS 91632-32-5) pharmaceutical standards reference standard. Molecular formula: C8H6N2O2. Molecular weight: 162.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O2 |
| Molecular Weight | 162.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
Related Pyridin Standards
- 3-(pyridin-3-yl)-4,5-dihydro-1,2-oxazol-5-one (CAS 101084-94-0)
- 4-Pyridin-4-yl-1,2,5-oxadiazol-3-amine (CAS 1018143-02-6)
- 5-(Pyridin-2-yl)isoxazol-3(2H)-one (CAS 119522-93-9)
- 4-(Pyridin-3-yl)-1,2,5-oxadiazol-3-amine (CAS 131988-01-7)
- 4-(pyridin-4-yl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 155431-59-7)
- 5-(Pyridin-4-yl)isoxazol-3-ol (CAS 167414-97-3)
- 3-(Pyridin-2-yl)isoxazol-5(4H)-one (CAS 18701-07-0)
- 1-(pyridin-2-yl)-1H-1,2,3,4-tetrazol-5-amine (CAS 76105-83-4)
Recommended Standards
- 4-(1-Tetrazolyl)phenol (CAS 64001-11-2)
- 4,6-Diamino-2,5-dihydropyridazine-3,5-dicarbonitrile (CAS 677709-28-3)
- 4-(1,3,4-Oxadiazol-2-yl)phenol (CAS 5378-27-8)
- 1,1-Dimethyl-1,3-dihydroisobenzofuran (CAS 42502-56-7)
- tert-Butyl 3-iodo-7-methoxy-1H-indazole-1-carboxylate (CAS 639084-05-2)
- Ethyl 4-((3-amino-2-oxo-2H-chromen-4-yl)amino)benzoate (CAS 313231-50-4)
- 3-(3,4,5-Trifluorobenzoyl)thiophene (CAS 898771-66-9)
- 2-(1-(2,2-Difluoroethyl)-4-(difluoromethyl)-3-methyl-6-oxo-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid (CAS 1018052-01-1)
- Nigerose (CAS 497-48-3)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com