4,6-Dimethyl-2-oxo-2H-pyran-3-carboxylic acid CAS 33953-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33953-26-3 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,6-Dimethyl-2-oxo-2H-pyran-3-carboxylic acid (CAS 33953-26-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H8O4. Molecular weight: 168.15 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1966 |
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-Dimethoxypyrimidine-5-carbaldehyde (CAS 4558-59-2)
- 4,6-Dimethyl-2-oxo-2H-pyran-5-carboxylic acid (CAS 480-65-9)
- 4,5-Dimethoxy-1,2-benzoquinone (CAS 21086-65-7)
- 2-Methyl-2,3-dihydro-1H-quinolin-4-one (CAS 30448-37-4)
- 1-Phenyl-2-(piperazin-1-yl)ethan-1-ol dihydrochloride (CAS 685138-21-0)
- 3-(Thiophen-2-yl)-1,2,4-thiadiazol-5-amine (CAS 138613-72-6)
- Ethanone, 1-(5-methyl-1h-indazol-1-yl)- (CAS 343770-79-6)
- 1-(4-Chloro-3-nitrobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 368427-83-2)
- HDAC-IN-4, 98% (CAS 934828-12-3)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
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