5-(Furan-2-yl)isoxazol-3(2H)-one CAS 22259-78-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22259-78-5 |
| Molecular Formula | C7H5NO3 |
| Molecular Weight | 151.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(Furan-2-yl)isoxazol-3(2H)-one (CAS 22259-78-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H5NO3. Molecular weight: 151.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H5NO3 |
| Molecular Weight | 151.12 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 methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related Furan Standards
- 5-(furan-3-yl)-1,2,4-oxadiazol-3-amine (CAS 1343826-27-6)
- 3-(Furan-2-yl)-1,2-oxazol-5-ol (CAS 1354938-76-3)
- 3-(Furan-2-yl)isoxazol-5(4H)-one (CAS 22343-98-2)
- 5-(Furan-2-yl)-1,2,4-oxadiazol-3-amine (CAS 23159-52-6)
- 4-(Furan-3-yl)pyrrolidin-2-one (CAS 1367057-70-2)
- 1-(Furan-2-yl)pyrrolidin-2-one (CAS 499202-86-7)
- 2-(Furan-2-ylmethyl)-3-hydroxypropanenitrile (CAS 929973-81-9)
- 4-(Furan-2-yl)pyrrolidin-2-one (CAS 88221-11-8)
Recommended Standards
- 5,7-Dihydroxyimidazo[1,2-α]pyrimidine (CAS 51647-90-6)
- 5-(Cyanomethyl)furan-2-carboxylic acid (CAS 341009-20-9)
- 5-Cyano-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 81303-59-5)
- 3-(3-Methylpyridin-2-yl)-3-oxopropanenitrile (CAS 59718-85-3)
- 7-(Difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-1,2,3,4-tetrahydroquinoline (CAS 1904651-39-3)
- 2,4,6-Triiodo-1,3,5-triazine (CAS 5637-87-6)
- Methyl 3-aminobicyclo[2.2.1]hept-5-ene-2-carboxylate (CAS 1379290-58-0)
- 3-(5-Oxo-tetrahydro-furan-2-yl)-propionic acid (CAS 6283-72-3)
- Di(pyridin-4-yl)methane (CAS 60776-05-8)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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