(3E,5E)-1-Methyl-3,5-bis[(3-nitrophenyl)methylidene]piperidin-4-one CAS 920030-44-0
| CAS No. | 920030-44-0 |
| Molecular Formula | C20H17N3O5 |
| Molecular Weight | 379.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (3E,5E)-1-Methyl-3,5-bis[(3-nitrophenyl)methylidene]piperidin-4-one (C20H17N3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 379.37 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies (3E,5E)-1-Methyl-3,5-bis[(3-nitrophenyl)methylidene]piperidin-4-one (CAS 920030-44-0), a certified reference material (molecular formula C20H17N3O5, MW 379.37 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H17N3O5 |
| Molecular Weight | 379.37 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (1R,4R,5R,6R)-rel-2,2,5,6-Tetrachloro-1,7,7-Tris(chloromethyl)-Bicyclo[2.2.1]heptane (CAS 51775-36-1)
- 3-(2-(1-(3-Nitropyridin-2-yl)piperidin-4-ylidene)hydrazinyl)quinoxalin-2(1H)-one (CAS 338412-87-6)
- 2-[4-[[(Benzhydryloxy)carbonyl]amino]-2-oxopyrimidin-1(2H)-yl]acetic Acid (CAS 186046-78-6)
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