5-(3,5-Dimethyl-isoxazol-4-yl)-3-oxo-pentanoic acid methyl ester CAS 53655-59-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53655-59-7 |
| Molecular Formula | C11H15NO4 |
| Molecular Weight | 225.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3,5-Dimethyl-isoxazol-4-yl)-3-oxo-pentanoic acid methyl ester (CAS 53655-59-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H15NO4. Molecular weight: 225.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H15NO4 |
| Molecular Weight | 225.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- Methyl 5-(3,5-dimethyl-1H-1,2,4-triazol-1-yl)-3-oxopentanoate (CAS 1083229-77-9)
- 6-((2,2-Dimethyl-1,3-dioxolan-4-yl)methoxy)pyrazin-2-amine (CAS 1219130-25-2)
- 2,5-Dimethyl-1,3-dioxo-octahydro-1h-isoindole-4-carboxylic acid (CAS 1221724-20-4)
- 2-{5,7-dimethyl-2-oxo-1H,2H,4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidin-6-yl}acetic acid (CAS 1305710-90-0)
- Dimethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate, 97% (CAS 17438-14-1)
- 1,3-Dimethyl-6-(morpholin-4-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 184290-21-9)
- 2,6-dimethyl 2-azabicyclo[2.2.2]oct-7-ene-2,6-dicarboxylate (CAS 191937-34-5)
- 4-(((1,3-Dimethyl-1h-pyrazol-4-yl)methyl)amino)-4-oxobutanoic Acid (CAS 522622-05-5)
Recommended Standards
- 5-(1-Morpholinoethyl)furan-2-carboxylic acid (CAS 799257-35-5)
- 5-(3-Nitrophenoxy)pentan-1-ol (CAS 60222-80-2)
- 5-((4-Methylpiperazin-1-yl)methyl)isoxazole-3-carboxylic acid (CAS 893639-98-0)
- Flucytosine Impurity 2 (CAS 1196146-71-0)
- 4-(Bromomethyl)-1-chloro-2-methoxybenzene (CAS 103347-14-4)
- Methyl 2-amino-3-(2-chloro-6-fluorophenyl)propanoate (CAS 1266702-93-5)
- (2R,3R,4S,5R)-2-(6-Amino-2-fluoro-9H-purin-9-yl)-5-(aminomethyl)tetrahydrofuran-3,4-diol (CAS 905294-80-6)
- (2,4-Diethoxypyrimidin-5-yl)(p-tolyl)methanol (CAS 93538-19-3)
- Anisyl Butyrate (5 x 0.5 mL) (CAS 6963-56-0)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com