5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide CAS 4403-43-4
| CAS No. | 4403-43-4 |
| Molecular Formula | C13H14N2O3 |
| Molecular Weight | 246.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 246.26 g/mol gives 5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide (CAS 4403-43-4), molecular formula C13H14N2O3 and molecular weight 246.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H14N2O3, 5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.26 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide 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 | C13H14N2O3 |
| Molecular Weight | 246.26 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 5-(2,4-Dimethylphenoxymethyl)furan-2-carboxylic acid (CAS 869950-23-2)
- 1,2-Dihydro-5-nitro-2-oxo-3-pyridinecarbonitrile (CAS 31309-38-3)
- 8-methyl-decahydroquinoline (CAS 52601-69-1)
- 2-Chloro-N-(2-{[(2-fluorophenyl)methyl]sulfanyl}ethyl)acetamide (CAS 852851-92-4)
- 2-Fluoro-4-((tetrahydrofuran-3-yl)oxy)aniline (CAS 1340524-65-3)
- p-Toluenesulfonyl isocyanate (CAS 4083-64-1)
- Methyl 6-methoxy-1H-benzo[d]imidazole-7-carboxylate (CAS 1193789-02-4)
- 8-Methyl-7-(trifluoromethyl)-1,2,3,4-tetrahydroquinoline (CAS 1388037-17-9)
- 5-(Hydroxymethyl)bicyclo[3.1.1]Heptane-1-carbonitrile (CAS 2091771-49-0)
- n-((5-Bromofuran-2-yl)methyl)-2-(4-methylcyclohexyl)ethan-1-amine (CAS 1485875-30-6)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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