4-(3-Nitrobenzylidene)-2-phenyloxazol-5(4H)-one CAS 15601-45-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 15601-45-3 |
| Molecular Formula | C34H38Br2O5 |
| Molecular Weight | 686.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Nitrobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 15601-45-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C34H38Br2O5. Molecular weight: 686.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C34H38Br2O5 |
| Molecular Weight | 686.47 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2,5-Bis(1,1-dimethylethyl) 3,6-bis(5-bromo-2-thienyl)-1,4-dioxopyrrolo[3,4-c]pyrrole-2,5(1H,4H)-diacetate (CAS 1815587-98-4)
- (9H-fluoren-9-yl)methyl N-(2-((4-(4-(3-bromo-4-fluorophenyl)-5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-1,2,5-oxadiazol-3-yl)amino)ethyl)sulfamoylcarbamate (CAS 1771804-78-4)
- Hydrazinecarbothioamide, 2,2'-(1,2-diphenyl-1,2-ethanediylidene)bis[N-[(4-ethoxyphenyl)methyl]-, copper complex (CAS 124010-93-1)
- Methyl (4-Cyanophenoxy)acetate (CAS 272792-14-0)
- 4-[(cyclopropylcarbamoyl)amino]benzoic acid (CAS 1087784-47-1)
- Ivermectine (CAS 70288-86-7)
- 3,4-bis(trifluoromethyl)-1H-pyrrole (CAS 82912-41-2)
- 1-Methyl-3-phenyl-5-(phenylthio)-1H-pyrazole-4-carbaldehyde (CAS 318247-51-7)
- 3529-08-6 Piperidine-1-propylamine EINECS 222-557-0 1-Piperidinepropanediamine (CAS 3529-08-6)
- Semaglutide impurity 109 (CAS CATO-C4X-2226109)
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