4-Oxo-4H-pyran-2-carbaldehyde CAS 56683-22-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56683-22-8 |
| Molecular Formula | C6H4O3 |
| Molecular Weight | 124.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-4H-pyran-2-carbaldehyde (CAS 56683-22-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H4O3. Molecular weight: 124.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H4O3 |
| Molecular Weight | 124.09 g/mol |
| 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.) | 1973 |
Recommended Standards
- 4,4-difluorobutanoic acid (CAS 944328-72-7)
- 5,5-Difluoro-1,3-Dioxane (CAS 36301-44-7)
- 3,3-Difluorobutanoic acid (CAS 2366-61-2)
- 1-(Ethylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-amine (CAS 927996-55-2)
- (5-Chloro-1H-benzo[d]imidazol-2-yl)methanethiol (CAS 68946-04-3)
- 6-Amino-2-methylnicotinic acid (CAS 680208-82-6)
- 5-(4-chloro-3-methylphenyl)imidazolidine-2,4-dione (CAS 1443979-73-4)
- (2,6-Dimethylphenyl)methanamine; hydrochloride (CAS 345665-28-3)
- 4-((5,7-Dimethyl-1,8-naphthyridin-2-yl)amino)-4-oxobutanoic acid (CAS 198221-13-5)
- Neuropeptide Y (22-36) (CAS 119019-65-7)
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