5-(Benzyloxy)-4-hydroxy-3-phenyl-2H-pyrano[2,3-b]quinolin-2-one CAS 62668-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62668-81-9 |
| Molecular Formula | C25H17NO4 |
| Molecular Weight | 395.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
5-(Benzyloxy)-4-hydroxy-3-phenyl-2H-pyrano[2,3-b]quinolin-2-one (CAS 62668-81-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H17NO4. Molecular weight: 395.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H17NO4 |
| Molecular Weight | 395.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related Benzyloxy Standards
Recommended Standards
- 4-Hydroxy-6-((3-sulfophenyl)amino)naphthalene-2-sulfonic acid (CAS 25251-42-7)
- Ethyl 2-((2-benzoylbenzofuran-3-yl)(ethoxycarbonyl)amino)acetate (CAS 301538-54-5)
- 4-[16,18-Dioxo-17-azapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9(14),10,12-hexaen-17-yl]benzenecarboxylic acid (CAS 313653-92-8)
- tert-Butyl (2R,4R)-2-formyl-4-methoxypyrrolidine-1-carboxylate (CAS 2194567-88-7)
- 1-(1-methyl-1H-1,2,4-triazol-5-yl)ethan-1-amine hydrochloride (CAS 1798008-00-0)
- 1-[5-(Methylsulfanyl)-1,3,4-oxadiazol-2-yl]-1-ethanamine hydrochloride (CAS 1217174-81-6)
- Drospirenone Acid Sodium Salt (CAS 1393356-37-0)
- 7-Hydroxy-1,4-dimethylquinolin-2(1H)-one (CAS 73290-60-5)
- 1H-Pyrrol-2(3H)-one (CAS 27406-82-2)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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