N-[5-(4-Ethoxyphenyl)-1,3,4-oxadiazol-2-yl]-N-(4-fluorophenyl)urea CAS 756842-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 756842-42-9 |
| Molecular Formula | C17H15FN4O3 |
| Molecular Weight | 342.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-[5-(4-Ethoxyphenyl)-1,3,4-oxadiazol-2-yl]-N-(4-fluorophenyl)urea (CAS 756842-42-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H15FN4O3. Molecular weight: 342.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H15FN4O3 |
| Molecular Weight | 342.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related N Standards
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- (2E)-1-(4-Ethoxyphenyl)-3-(2,3,4-trimethoxyphenyl)prop-2-en-1-one (CAS 1287403-59-1)
- (2E)-1-(4-Ethoxyphenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 1801686-29-2)
- (3Z)-3-[(4-Ethoxyphenyl)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 303984-68-1)
- 3-(2-Ethoxyphenyl)-5-(pyridin-3-ylmethylene)-2-thioxothiazolidin-4-one (CAS 488096-68-0)
- 3-(2-Ethoxyphenyl)-5-(pyridin-4-ylmethylene)-2-thioxothiazolidin-4-one (CAS 488718-82-7)
- (4-Ethoxyphenyl)(2-((pyridin-3-ylmethyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851807-44-8)
Recommended Standards
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- Methyl (E)-5-cyano-4-(2-(dimethylamino)vinyl)-1-(4-fluorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 478246-14-9)
- 2-(3-Chloro-4-ethoxy-5-fluorophenyl)acetonitrile (CAS 1017778-94-7)
- Bis(diethylamino)dimethylsilane (CAS 4669-59-4)
- Methyl (E)-3-(1,3,4-thiadiazol-2-ylamino)-2-(1H-1,2,4-triazol-1-yl)-2-propenoate (CAS 383148-55-8)
- (5-(2-Fluorophenyl)furan-2-yl)boronic acid (CAS 2096335-78-1)
- (S)-tert-Butyl 2-(methylcarbamoyl)piperazine-1-carboxylate hydrochloride (CAS 1217841-04-7)
- 2-Bromo-5-nitropyridine-4-carboxylic acid (CAS 1053655-82-5)
- Vancomycin Hexapeptide (CAS 115236-65-2)
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