| CAS No. | 341966-39-0 |
| Molecular Formula | C23H16N2O6 |
| Molecular Weight | 416.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Methyl 4-(3-benzamido-2,5-dioxo-2H-pyrano[3,2-c]pyridin-6(5H)-yl)benzoate (CAS 341966-39-0), molecular formula C23H16N2O6 and molecular weight 416.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 4-(3-benzamido-2,5-dioxo-2H-pyrano[3,2-c]pyridin-6(5H)-yl)benzoate (C23H16N2O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 416.38 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 4-(3-benzamido-2,5-dioxo-2H-pyrano[3,2-c]pyridin-6(5H)-yl)benzoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C23H16N2O6 |
| Molecular Weight | 416.38 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |