4,6-Dimethyl-2-oxo-2H-pyran-5-carboxylic acid CAS 480-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 480-65-9 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dimethyl-2-oxo-2H-pyran-5-carboxylic acid (CAS 480-65-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8O4. Molecular weight: 168.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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 |
Related Dimethyl Standards
- 2,6-Dimethyl-3-nitropyridin-4(1H)-one (CAS 122957-45-3)
- 1,2-Dimethyl-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1272507-96-6)
- 2,6-Dimethyl-3-nitropyridin-4-ol (CAS 13603-45-7)
- 1,4-Dimethyl-3-nitropyridin-2(1H)-one (CAS 1710703-39-1)
- 3,5-Dimethyl-4-oxo-4H-pyran-2-carboxylic acid (CAS 187222-12-4)
- 1,2-Dimethyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid (CAS 2330941-64-3)
- 1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carbaldehyde (CAS 83174-90-7)
- 1,3-Dimethyl-5-nitropyridin-2(1H)-one (CAS 202278-26-0)
Recommended Standards
- 4,6-Dimethyl-2-oxo-2H-pyran-3-carboxylic acid (CAS 33953-26-3)
- 4,6-Dimethyl-3-nitropyridin-2(1H)-one (CAS 22934-13-0)
- 4,6-Dimethoxypyrimidine-5-carbaldehyde (CAS 4558-59-2)
- 3,4-Bis[(tetrahydro-2H-pyran-2-yl)oxy]benzeneacetaldehyde (CAS 582289-85-8)
- 11-((Tert-butoxycarbonyl)amino)undecyl methanesulfonate (CAS 467217-29-4)
- (1-(Pyridin-3-ylmethyl)piperidin-3-yl)methanol dihydrochloride (CAS 1185307-98-5)
- XPhos Pd G2 (CAS 1310584-14-5)
- 2-Bromo-5-(2-(chloromethyl)butyl)thiophene (CAS 1481394-68-6)
- [1-(3-Fluorobenzyl)piperidin-4-yl]methylamine (CAS 893755-07-2)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
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