| CAS No. | 307507-76-2 |
| Molecular Formula | C19H14N4O4 |
| Molecular Weight | 362.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(1-(Benzo[d][1,3]dioxol-5-yl)-4-hydroxy-2-imino-2,5-dihydro-1H-pyrrol-3-yl)quinazolin-4(3H)-one (CAS 307507-76-2), molecular formula C19H14N4O4 and molecular weight 362.34 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 2-(1-(Benzo[d][1,3]dioxol-5-yl)-4-hydroxy-2-imino-2,5-dihydro-1H-pyrrol-3-yl)quinazolin-4(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 362.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(1-(Benzo[d][1,3]dioxol-5-yl)-4-hydroxy-2-imino-2,5-dihydro-1H-pyrrol-3-yl)quinazolin-4(3H)-one 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 | C19H14N4O4 |
| Molecular Weight | 362.34 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 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |