(6,7-Dihydroxy-2-oxo-2H-chromen-4-yl)methyl 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylate CAS 735289-89-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 735289-89-1 |
| Molecular Formula | C25H16N2O7 |
| Molecular Weight | 456.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(6,7-Dihydroxy-2-oxo-2H-chromen-4-yl)methyl 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylate (CAS 735289-89-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H16N2O7. Molecular weight: 456.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H16N2O7 |
| Molecular Weight | 456.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
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