2-[4-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]but-3-ynoxy]acetaldehyde CAS 2727154-98-3
| CAS No. | 2727154-98-3 |
| Molecular Formula | C19H18N2O5 |
| Molecular Weight | 354.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H18N2O5, 2-[4-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]but-3-ynoxy]acetaldehyde contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 354.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2-[4-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]but-3-ynoxy]acetaldehyde (CAS 2727154-98-3), molecular formula C19H18N2O5 and molecular weight 354.36 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C19H18N2O5 |
| Molecular Weight | 354.36 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 2 |
Related dioxo Standards
- 2-(2,6-dioxo-3-piperidyl)-4-hex-5-ynoxy-isoindoline-1,3-dione (CAS 2568279-87-6)
- 2-(2,6-dioxo-3-piperidyl)-5-(3-prop-2-ynoxypropyl)isoindoline-1,3-dione (CAS 2589697-91-4)
- 2-(2,6-dioxo-3-piperidyl)-5-(6-hydroxyhex-1-ynyl)isoindoline-1,3-dione (CAS 2767162-32-1)
- 2-(2,6-dioxo-3-piperidyl)-5-hex-5-ynoxy-isoindoline-1,3-dione (CAS 2226301-11-5)
- 3-[3-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]prop-2-ynoxy]propanal (CAS 2619512-36-4)
- 6-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]hex-5-ynoic acid (CAS 2379870-47-8)
- Ethyl 4,6-dioxo-5-(3-(trifluoromethyl)phenyl)-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate (CAS 321522-08-1)
- (3R)-1-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]pyrrolidine-3-carbaldehyde (CAS 2416132-74-4)
Recommended Standards
- 2-Amino-6-(hydroxymethyl)-4-(2-isopropoxyphenyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (CAS 696630-67-8)
- 2-Benzyl-1H-chromeno[2,3-b][1,6]naphthyridine-1,11(2H)-dione (CAS 240799-43-3)
- 2-Hydroxyhexahydro-1H-isoindole-1,3(2H)-dione (CAS 5426-10-8)
- 3-(1-(4-Methoxyphenyl)-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 894748-00-6)
- N,N-Diethyl-3-(4-piperidinyloxy)anilinehydrochloride (CAS 1220028-17-0)
- Methyl (4aS,6aS,6bR,8aR,12aR,12bR,14bS)-2,2,6a,6b,9,9,12a-heptamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,12a,12b,13,14b-hexadecahydropicene-4a(2H)-carboxylate (CAS 69660-90-8)
- 2-Methoxy-5-nitropyridine-3-boronic Acid Pinacol Ester (CAS 1218791-18-4)
- Upadacitinib Impurity 197 (CAS CATO-C4X-2405197)
- 2-ethyl-6-methyl-1$l^{4},4-thiomorpholin-1-one hydrochloride (CAS 1803584-85-1)
- (E)-3-Chloro-2-((3,4-dichlorobenzylidene)amino)-9H-fluoren-9-ol (CAS 6967-00-6)
- 3-Bromo-4-(4-methyl-1-piperazinyl)benzaldehyde (CAS 443777-03-5)
- 1-(4-Chlorophenyl)-2,2,2-trifluoro-N-methylethan-1-amine hydrochloride (CAS 1394040-17-5)
- 3-(5-Propoxypiperidin-3-yl)propanoic acid (CAS 1443980-77-5)
- Des-Lys20(Side Chain)-Semaglutide (CAS CATO-C4X-2226280)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com