4-(4-Methoxy-3-nitrobenzylidene)-2-phenyloxazol-5(4H)-one CAS 904-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 904-42-7 |
| Molecular Formula | C13H20N4O HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-(4-Methoxy-3-nitrobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 904-42-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H20N4O HCl. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C13H20N4O HCl |
| Molecular Weight | 284.79 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Methoxy Standards
- 1-(2-Methoxy-6-(methylsulfonyl)phenyl)piperazine (CAS 1000018-42-7)
- 6-methoxy-1-methyl-1H-1,3-benzodiazol-7-amine (CAS 1000202-26-5)
- 2-Methoxy-3-(trifluoromethyl)benzaldehyde (CAS 1000339-54-7)
- 1-Methoxy-3-methyl-5-(trifluoromethoxy)benzene (CAS 1000339-56-9)
- 5-Methoxy-7-methyl-1H-indazole-3-carbaldehyde (CAS 1000340-55-5)
- 5-Methoxy-7-methyl-1H-indazole-3-carboxylic acid (CAS 1000340-57-7)
- 5-Methoxy-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-90-8)
- 6-Methoxy-4-nitro-1H-indazole (CAS 1000341-08-1)
Recommended Standards
- Ethyl 2-(5-chloro-2-ethoxyphenyl)-2-oxoacetate (CAS 1368208-35-8)
- 2-(6-Aminobenzo[d]oxazol-5-yl)propan-2-ol (CAS 2305771-35-9)
- N-Methyl-2,4-dinitro-N-phenyl-6-(trifluoromethyl)aniline (CAS 63333-32-4)
- 2-(Quinazolin-4-yl)acetonitrile (CAS 112270-68-5)
- Onocerane I (8B(H),14a(H)) (CAS 56297-92-8)
- 6-Ethyl-3,4-dihydronaphthalen-1(2H)-one (CAS 22577-91-9)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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