4-(2,4-dimethoxyÂÂbenzÂylidene)-5-oxo-2-phenylÂoxazoline CAS 118555-99-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 118555-99-0 |
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2,4-dimethoxyÂÂbenzÂylidene)-5-oxo-2-phenylÂoxazoline (CAS 118555-99-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15NO4. Molecular weight: 309.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 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.) | 1990 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1173056-37-5 4-[4-(5-Isopropyl-1,3,4-oxadiazol-2-yl)pyridin-2-yl]benzoic acid MFCD14281898 (CAS 1173056-37-5)
- 1-Benzyl-7-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1206969-98-3)
- 4-Methyl-N-((5-(4-nitrophenyl)-1H-1,2,4-triazol-3-yl)methyl)aniline (CAS 1171939-92-6)
- 6-Bromo-2-chloro-8-methylquinoline (CAS 99455-14-8)
- 4-Bromo-5,6-dihydro-2H-pyran-3-carboxaldehyde (CAS 904744-54-3)
- 2,2',4,5,5'-Pentabromobiphenyl (CAS 67888-96-4)
- 3-Chloro-2-fluoro-6-iodo-5-methylphenol (CAS 2923539-76-6)
- (S)-1-((5-(3-Methyl-1H-indazol-5-yl)pyridin-3-yl)oxy)-3-phenylpropan-2-amine (CAS 552325-73-2)
- 3-Phenyl-1,2,4-oxadiazole-5-carbonitrile (CAS 37760-53-5)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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