2,6-Dioxo-3,6-dihydro-2h-pyran-4-carboxylic acid CAS 14556-16-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14556-16-2 |
| Molecular Formula | C6H4O5 |
| Molecular Weight | 156.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,6-Dioxo-3,6-dihydro-2h-pyran-4-carboxylic acid (CAS 14556-16-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H4O5. Molecular weight: 156.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H4O5 |
| Molecular Weight | 156.09 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, water |
| 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.) | 1961 |
Related Dioxo Standards
- 1-Methyl-4,5-dioxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 197652-34-9)
- 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 59299-01-3)
- 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 1074-97-1)
- 1-(2,5-Dioxo-2,5-dihydro-1H-imidazol-4-yl)guanidine (CAS 902771-23-7)
- 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 769-97-1)
- 3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acid (CAS 13924-15-7)
- (4,5-Dioxo-4,5-dihydro-1H-pyrazol-3-yl)carbamic acid (CAS 859955-10-5)
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Recommended Standards
- 4-Hydroxy-2-oxo-2H-pyran-6-carboxylic Acid (CAS 108298-44-8)
- (1R,5S,6r)-2,4-dioxo-3-oxabicyclo[3.1.0]Hexane-6-carboxylic acid (CAS 187681-87-4)
- 3,5-Difluoro-6-oxo-1,6-dihydropyridine-2-carbonitrile (CAS 1049678-65-0)
- 2-(3-Chloro-4-(cyclopropylmethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1860005-05-5)
- Pyrimidine-2,4,6-tricarbaldehyde (CAS 1209493-65-1)
- (R)-tert-Butyl (pyrrolidin-3-ylmethyl)carbamate hydrochloride (CAS 1217858-20-2)
- (2-Bromo-4-(4-methyl-1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225176-04-3)
- 7-Fluoro-3,4-dihydro-2H-1,4-benzoxazine-6-boronic acid pinacol ester, 97% (CAS 1256255-84-1)
- Orlistat Impurity 17 (CAS CATO-C4X-149917)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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