4-(2,4-Dimethoxy-3-methylbenzylidene)-2-phenyloxazol-5(4H)-one CAS 7149-86-2
| CAS No. | 7149-86-2 |
| Molecular Formula | C19H17NO4 |
| Molecular Weight | 323.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(2,4-Dimethoxy-3-methylbenzylidene)-2-phenyloxazol-5(4H)-one.
CATO supplies 4-(2,4-Dimethoxy-3-methylbenzylidene)-2-phenyloxazol-5(4H)-one (CAS 7149-86-2), a certified reference material (molecular formula C19H17NO4, MW 323.34 g/mol) for analytical method development and quality control.
4-(2,4-Dimethoxy-3-methylbenzylidene)-2-phenyloxazol-5(4H)-one (C19H17NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 4-(2,4-Dimethoxy-3-methylbenzylidene)-2-phenyloxazol-5(4H)-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.
Physical & Chemical Properties
| Molecular Formula | C19H17NO4 |
| Molecular Weight | 323.34 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Methoxy-4-(2-(2-phenyloxazol-4-yl)ethoxy)benzaldehyde (CAS 920506-67-8)
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- 3-Hydroxy-6-(hydroxymethyl)-2-(phenyl(phenylamino)methyl)-4H-pyran-4-one (CAS 6290-96-6)
- 4-(3-(4-Aminobenzyl)ureido)benzene-1-sulfonyl fluoride (CAS 21316-07-4)
- 7693-26-7 Potassium hydride Potassium hydride (KH) EINECS 231-704-8 (CAS 7693-26-7)
- 5-[(methylamino)sulfonyl]-2-furoic acid (CAS 933742-92-8)
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- 1-(3-Chloro-4-fluorophenyl)cyclopentanecarboxylic Acid (CAS 1891500-97-2)
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- 3-(Benzyloxy)-4-iodo-1-methyl-1H-pyrazole (CAS 1401814-65-0)
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