(1E,4E)-1,5-Bis(4-nitrophenyl)penta-1,4-dien-3-one CAS 25288-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25288-75-9 |
| Molecular Formula | C17H12N2O5 |
| Molecular Weight | 324.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(1E,4E)-1,5-Bis(4-nitrophenyl)penta-1,4-dien-3-one (CAS 25288-75-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H12N2O5. Molecular weight: 324.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H12N2O5 |
| Molecular Weight | 324.29 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Recommended Standards
- [2,5-Dioxo-1-(3,4,5-trimethoxyphenyl)imidazolidin-4-yl]acetic acid (CAS 1910797-59-9)
- (E)-4-oxo-4-(2-(3,4,5-trimethoxybenzoyl)hydrazinyl)but-2-enoic acid (CAS 356526-76-6)
- Ethyl 2-(benzyloxy)-4-(trifluoromethyl)benzoate (CAS 1823511-40-5)
- N-methyl-1-(3-(p-tolyl)-1,2,4-oxadiazol-5-yl)methanamine hydrochloride (CAS 1049720-95-7)
- tert-Butyl 3-(1-amino-2,2,2-trifluoroethyl)pyrrolidine-1-carboxylate (CAS 1781749-08-3)
- 1-tert-Butyl 4-methyl 3-formyl-1H-indole-1,4-dicarboxylate (CAS 1260788-92-8)
- Ambroxol Impurity 80 (CAS CATO-C4X-108580)
- 3,4-Dichloro-5-ethoxypyridazine (CAS 501919-95-5)
- CAS 2227549-00-8 (CAS 2227549-00-8)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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