3-[5-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione CAS 2138440-56-7
| CAS No. | 2138440-56-7 |
| Molecular Formula | C18H19N3O3 |
| Molecular Weight | 325.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[5-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2138440-56-7), molecular formula C18H19N3O3 and molecular weight 325.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 3-[5-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 325.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-[5-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H19N3O3 |
| Molecular Weight | 325.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related aminopent Standards
- 3-[4-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2138440-39-6)
- 3-[6-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2138440-57-8)
- (S)-2-Aminopent-4-ynoic acid hydrochloride (CAS 198774-27-5)
- 4-(5-aminopent-1-ynyl)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (CAS 2300976-25-2)
- 5-(5-aminopent-1-ynyl)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (CAS 2682113-63-7)
- Ethyl 2-aminopent-4-enoate (CAS 68843-72-1)
- Ethyl 3-aminopent-2-enoate (CAS 3222-61-5)
- Methyl 2-aminopent-4-enoate (CAS 70837-19-3)
Recommended Standards
- 3-[2-(2,4-dimethoxyphenyl)-1h-indol-3-yl]propanoic acid (CAS 926259-58-7)
- 3-Benzoyl-2-phenylquinolin-4(1H)-one (CAS 61707-51-5)
- 3-(4-Ethoxyphenyl)-3-(1-oxoisoindolin-2-yl)propanoic acid (CAS 478260-16-1)
- 3-Nitro-N-(4-(piperidin-1-yl)phenyl)benzamide (CAS 448912-81-0)
- 4-Methyl-3-trifluoromethylbenzenesulfonamide (CAS 1247548-96-4)
- 4,5,6,7-Tetrafluoro-3-(trifluoromethyl)-1H-indazole (CAS 945038-89-1)
- 1-deoxysphinganine (CAS 196497-48-0)
- 1-(2-Aminoethoxy)-2,4-difluorobenzene hydrochloride (CAS 263409-82-1)
- 3-methylbicyclo[1.1.1]pentane-1-carboxamide (CAS 796963-30-9)
- 2-Chloro-4-(3-fluorophenyl)-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine-3-carbonitrile (CAS 1707568-98-6)
- Tris[2-(1-methyl-1H-imidazol-2-yl)pyridine]ruthenium (CAS 113929-90-1)
- trans-2,5-Dimethylpiperazine (CAS 2815-34-1)
- Pemafibrate Impurity 11 (CAS 20852-38-4)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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