5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]oxypentanal CAS 2226299-06-3
| CAS No. | 2226299-06-3 |
| Molecular Formula | C18H18N2O6 |
| Molecular Weight | 358.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]oxypentanal (CAS 2226299-06-3), molecular formula C18H18N2O6 and molecular weight 358.35 g/mol, is a CATO reference standard with documented purity and traceability.
5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]oxypentanal (C18H18N2O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O6 |
| Molecular Weight | 358.35 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 2 |
Related dioxo Standards
- 1,3-Dioxo-n-(pyridin-3-yl)-2-[(pyridin-3-yl)methyl]-2,3-dihydro-1h-isoindole-5-carboxamide (CAS 712333-82-9)
- 2-[3-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]propoxy]acetaldehyde (CAS 2416133-07-6)
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]oxypentanal (CAS 2461773-83-9)
- 5-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]pentanoic acid (CAS 2773558-47-5)
- 2-(2,6-dioxo-3-piperidyl)-4-(6-hydroxyhexyl)isoindoline-1,3-dione (CAS 2748156-31-0)
- 2-(2,6-dioxo-3-piperidyl)-5-[[(2S)-2-(ethylamino)propyl]amino]isoindoline-1,3-dione (CAS 2728861-57-0)
- 2-(2,6-dioxo-3-piperidyl)-5-[[2-methyl-3-(methylamino)propyl]amino]isoindoline-1,3-dione (CAS 2703767-57-9)
- 2-(2,6-dioxo-3-piperidyl)-5-[2-(propylamino)ethylamino]isoindoline-1,3-dione (CAS 2703765-33-5)
Recommended Standards
- Ethyl 2-amino-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 302590-17-6)
- Isopropyl 4-(benzo[c][1,2,5]oxadiazol-4-yl)-2,6-dimethyl-5-nitro-1,4-dihydropyridine-3-carboxylate (CAS 97217-83-9)
- 4-Hydroxy-7-(3-morpholinopropoxy)-6-nitroquinoline-3-carbonitrile (CAS 919482-02-3)
- Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-methoxyphenyl)-4h-pyran-3-carboxylate (CAS 354554-29-3)
- 3-chloro-5-methyl-1,2,4-thiadiazole (CAS 1393584-82-1)
- rac-(4aα)-4a,5,9,10,11,12-Hexahydro-1,5-dibromo-11-formyl-3-methoxy-6H-benzofuro[3a,3,2-e,f][2]benzazepin-6-one (CAS 1076198-20-3)
- [(3,4-difluorophenyl)methyl](ethyl)amine hydrochloride (CAS 1193389-33-1)
- Fmoc-L-β-homoarginine(Pmc) (CAS 700377-76-0)
- Methyl 4’-Aminobiphenyl-4-carboxylate (CAS 5730-76-7)
- (2R,3R,4S,5R)-2-(prop-2-yn-1-yloxy)tetrahydro-2H-pyran-3,4,5-triol (CAS 1195960-77-0)
- Chloranolol (CAS 39563-28-5)
- Fmoc-Tyr(Me)-OH (CAS 77128-72-4)
- 3-(4-Bromophenyl)-3-chloro-4-fluoropropiophenone (CAS 898761-66-5)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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