| CAS No. | 36968-27-1 |
| Molecular Formula | C25H20N4O4 |
| Molecular Weight | 440.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 2-Naphthalenecarboxamide, 4-[2-[4-(aminocarbonyl)phenyl]diazenyl]-3-hydroxy-N-(2-methoxyphenyl)- 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.
CATO supplies 2-Naphthalenecarboxamide, 4-[2-[4-(aminocarbonyl)phenyl]diazenyl]-3-hydroxy-N-(2-methoxyphenyl)- (CAS 36968-27-1), a certified reference material (molecular formula C25H20N4O4, MW 440.45 g/mol) for analytical method development and quality control.
2-Naphthalenecarboxamide, 4-[2-[4-(aminocarbonyl)phenyl]diazenyl]-3-hydroxy-N-(2-methoxyphenyl)- (C25H20N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C25H20N4O4 |
| Molecular Weight | 440.45 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 4 |