4-(3-Methylisoxazol-5-yl)furan-2(5H)-one CAS 175687-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175687-55-5 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Methylisoxazol-5-yl)furan-2(5H)-one (CAS 175687-55-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H7NO3. Molecular weight: 165.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 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 methanol, ethanol, DMSO |
| 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.) | 2007 |
| Nitrogen Atoms | 1 |
Related Methylisoxazol Standards
- 5-(5-Methylisoxazol-3-yl)penta-2,4-dien-1-ol (CAS 113824-17-2)
- N-(5-Methylisoxazol-4-yl)butyrimidamide (CAS 122686-21-9)
- N-(5-Methylisoxazol-4-yl)isobutyrimidamide (CAS 122686-22-0)
- 5-(5-Methylisoxazol-3-yl)-1,3,4-oxadiazol-2-amine (CAS 725698-89-5)
- N-((5-Methylisoxazol-3-yl)methyl)acrylamide (CAS 1248224-66-9)
- (S)-5-(3-Methylisoxazol-5-yl)pyrrolidin-2-one (CAS 163849-08-9)
- N-(3-Methylisoxazol-4-yl)cyclopropanecarboxamide (CAS 72592-16-6)
- N-(3-Methylisoxazol-5-yl)methacrylamide (CAS 86685-07-6)
Recommended Standards
- 4-Methoxy-3-methylisoxazolo[5,4-d]pyrimidine (CAS 175348-25-1)
- 2-Oxo-3-(pyridin-2-yl)propanoic acid (CAS 175733-76-3)
- 3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 175348-11-5)
- 4-Amino-N-benzylbenzenesulfonamide (CAS 1709-54-2)
- 3-(Tert-butyl)-2-hydroxy-5-methylbenzaldehyde (CAS 41715-31-5)
- Ethyl 5-amino-2-phenyl-3-sulfanylidene-2,3-dihydro-1,2-thiazole-4-carboxylate (CAS 380442-79-5)
- Diisooctyl terephthalate (CAS 27937-24-2)
- 2,6-Dimethyl-3-(2,3-dimethylphenyl)propiophenone (CAS 898792-80-8)
- 4-Iodo-1H-indole-6-carboxylic acid (CAS 724450-23-1)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com