4-(but-3-ynylamino)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione CAS 2154356-73-5
| CAS No. | 2154356-73-5 |
| Molecular Formula | C17H21N3O4 |
| Molecular Weight | 331.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 331.37 g/mol gives 4-(but-3-ynylamino)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-(but-3-ynylamino)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (CAS 2154356-73-5), a certified reference material (molecular formula C17H21N3O4, MW 331.37 g/mol) for analytical method development and quality control.
Structurally, 4-(but-3-ynylamino)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (C17H21N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 331.37 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).
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 | C17H21N3O4 |
| Molecular Weight | 331.37 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related but Standards
Recommended Standards
- 3-{1-[(3-methoxyphenyl)methyl]-1H-1,3-benzodiazol-2-yl}-1,2-dihydropyridin-2-one (CAS 866136-22-3)
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- 3-[4-[2-(2-aminoethoxy)ethyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2759185-15-2)
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- Ethyl 2-chloro-5-cyano-6-methylnicotinate (CAS 75894-43-8)
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- (E)-2-(3,4-dimethoxyphenyl)-N-(3-methoxybenzyl)ethene-1-sulfonamide (CAS 478080-65-8)
- 6-Bromo-1-isopropyl-1,2,3,4,5,6-hexahydro-[2,4]bipyridinyl (CAS 1316217-28-3)
- (E)-[(4-Chloro-3-nitrophenyl)methylidene](methoxy)amine (CAS 302921-92-2)
- tert-Butyl Isopropyl Ether (CAS 17348-59-3)
- N,N-Diethyl-4-nitrobenzenesulfonamide (CAS 89840-82-4)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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