2-Phenyl-4-(2,4,5-trimethoxybenzylidene)oxazol-5(4H)-one CAS 22892-39-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22892-39-3 |
| Molecular Formula | C19H17NO5 |
| Molecular Weight | 339.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Phenyl-4-(2,4,5-trimethoxybenzylidene)oxazol-5(4H)-one (CAS 22892-39-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17NO5. Molecular weight: 339.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H17NO5 |
| Molecular Weight | 339.34 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.) | 1963 |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
- 2-Phenyl-4-(3,4,5-trimethoxybenzylidene)oxazol-5(4H)-one (CAS 62616-09-5)
- N-(3,4,5-Trimethoxybenzylidene)naphthalen-2-amine (CAS 292644-17-8)
- 2-(3,4,5-Trimethoxybenzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 311327-86-3)
- 2-((3-Oxo-2-(3,4,5-trimethoxybenzylidene)-2,3-dihydrobenzofuran-6-yl)oxy)acetic acid (CAS 859662-11-6)
- 2-(3,4,5-Trimethoxybenzylidene)malononitrile (CAS 5688-82-4)
Recommended Standards
- 2-{bis[(tert-butoxy)carbonyl]amino}pyrimidine-5-carboxylicacid (CAS 2231168-34-4)
- 2,2-Dimethyl-5-(((4-phenoxyphenyl)amino)methylene)-1,3-dioxane-4,6-dione (CAS 909344-66-7)
- 3-(3-(4-(2-Methoxyethoxy)phenyl)isoxazol-5-yl)benzoic acid (CAS 745055-49-6)
- (Methoxycarbonyl)-D-leucine (CAS 791635-26-2)
- 7H-Azepino[2,1-c][1,2,4]benzothiadiazine-3-carboxylic acid, 8,9,10,11-tetrahydro-, 5,5-dioxide (CAS 730992-36-6)
- 4,6-Dibromo-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-66-8)
- Norepinephrine Impurity 139 (CAS CATO-C4X-1514139)
- 4-Nitrophenyl pyridin-4-ylcarbamate (CAS 117652-50-3)
- Atenolol EP Impurity F (CAS 87619-83-8)
- Peptide T (CAS 106362-32-7)
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