3-[4-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione CAS 2138440-39-6
| CAS No. | 2138440-39-6 |
| Molecular Formula | C18H19N3O3 |
| Molecular Weight | 325.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H19N3O3, 3-[4-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione contains a steroid 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 325.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-[4-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2138440-39-6), molecular formula C18H19N3O3 and molecular weight 325.36 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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 | 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-[5-(5-aminopent-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2138440-56-7)
- 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-(4-Ethoxyphenyl)-3-(1-oxoisoindolin-2-yl)propanoic acid (CAS 478260-16-1)
- 3-(4-Benzylpiperazine-1-carbonyl)pyridine-2-carboxylic acid (CAS 497083-24-6)
- 3-Benzoyl-2-phenylquinolin-4(1H)-one (CAS 61707-51-5)
- N-(4-((2-(Methylthio)-4,5-dihydro-1H-imidazol-1-yl)sulfonyl)phenyl)acetamide (CAS 868216-45-9)
- 3-(aminomethyl)bicyclo[1.1.1]pentane-1-carbonitrile;hydrochloride (CAS 2231675-26-4)
- 4-Oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylic acid hydrobromide (CAS 1049762-59-5)
- n-[4-(2-amino-1,3-thiazol-4-yl)phenyl]propanamide (CAS 690964-21-7)
- 3-(Furan-3-yl)propanoic acid (CAS 90048-04-7)
- 4-Chloro-5-ethoxy-2-(p-tolyl)pyridazin-3(2H)-one (CAS 478080-50-1)
- 2-(4-(Aminomethyl)-3-(difluoromethyl)-6-fluoropyridin-2-yl)acetic acid (CAS 1806990-92-0)
- Ethyl 2-(3-chlorophenyl)-4-hydroxythiazole-5-carboxylate (CAS 144060-65-1)
- 3-Iodo-2,5,6-trimethoxyisonicotinaldehyde (CAS 1383788-27-9)
- D-[Ser]8-Semaglutide (CAS CATO-C4X-2226207)
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