3-Hydroxy-2-oxo-2H-pyran-6-carboxylic acid CAS 93905-59-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93905-59-0 |
| Molecular Formula | C6H4O5 |
| Molecular Weight | 156.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2-oxo-2H-pyran-6-carboxylic acid (CAS 93905-59-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H4O5. Molecular weight: 156.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1983 |
Related Hydroxy Standards
- 4-Hydroxy-2-oxo-2H-pyran-6-carboxylic Acid (CAS 108298-44-8)
- 3-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid (CAS 89324-45-8)
- 4-Hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1442437-21-9)
- 6-Hydroxy-5-nitropyridin-2(1H)-one (CAS 16013-84-6)
- 4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic Acid (CAS 1823277-97-9)
- 3-Hydroxy-4-nitropyridine 1-oxide (CAS 19355-03-4)
- 2-Hydroxy-4-nitro-1H-pyrrole-3-carbaldehyde (CAS 263144-36-1)
- 4-Hydroxy-2-nitro-1H-pyrrole-3-carbaldehyde (CAS 263144-33-8)
Recommended Standards
- 3,4-Furandicarboxylic Acid (CAS 3387-26-6)
- (1R,5S,6r)-2,4-dioxo-3-oxabicyclo[3.1.0]Hexane-6-carboxylic acid (CAS 187681-87-4)
- 5,6-Difluorobenzo[c][1,2,5]oxadiazole (CAS 761427-85-4)
- 2-(Amino(4-bromophenyl)methyl)naphthalen-1-ol hydrochloride (CAS 736173-16-3)
- 2-(5-Hydroxy-1,3-dihydroisobenzofuran-1-yl)acetic acid (CAS 1956327-38-0)
- 2-(3,4-Dimethylphenoxy)ethanol (CAS 34221-43-7)
- 5-HYDROXY-2-METHYLPENTAN-2-YL ACETATE (CAS 110086-92-5)
- 5-(Phenylsulfonyl)pentan-1-amine (CAS 944325-14-8)
- 3-Oxo-1,2,3,4-tetrahydroisoquinoline-8-carboxylic acid (CAS 933704-29-1)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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