2,6-Dimethyl-4-oxo-4H-pyran-3-carboxylic acid CAS 3265-58-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3265-58-5 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,6-Dimethyl-4-oxo-4H-pyran-3-carboxylic acid (CAS 3265-58-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8O4. Molecular weight: 168.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
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Recommended Standards
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- Morinidazole Impurity 24 (CAS CATO-C4X-219624)
- (2R,3R,4S,5R)-2-(6-Amino-8-((2-aminoethyl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 62936-94-1)
- (2S)-2-amino-3-(3-tert-butoxycarbonylbenzimidazol-5-yl)propanoic acid (CAS 2387562-73-2)
- 6-Methoxy-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 52373-02-1)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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