| CAS No. | 6298-31-3 |
| Molecular Formula | C25H24N4O4 |
| Molecular Weight | 444.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,1'-(Methylenebis(4,1-phenylene))bis(3-(furan-2-ylmethyl)urea) (CAS 6298-31-3), molecular formula C25H24N4O4 and molecular weight 444.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H24N4O4, 1,1'-(Methylenebis(4,1-phenylene))bis(3-(furan-2-ylmethyl)urea) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 444.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 1,1'-(Methylenebis(4,1-phenylene))bis(3-(furan-2-ylmethyl)urea) 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 | C25H24N4O4 |
| Molecular Weight | 444.48 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |