7-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)heptanamide CAS 1803595-08-5
| CAS No. | 1803595-08-5 |
| Molecular Formula | C15H18N2O3 |
| Molecular Weight | 274.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)heptanamide (CAS 1803595-08-5), molecular formula C15H18N2O3 and molecular weight 274.32 g/mol, is a CATO reference standard with documented purity and traceability.
7-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)heptanamide (C15H18N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 7-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)heptanamide 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 | C15H18N2O3 |
| Molecular Weight | 274.32 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.) | 1995 |
| Nitrogen Atoms | 2 |
Related dioxo Standards
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Recommended Standards
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- N-(4-Hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)hexanamide (CAS 184536-26-3)
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- Ethyl 2-ethyl-2-methylbutanoate (CAS 19945-14-3)
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- 2-(Propan-2-ylsulfanyl)-5-(trifluoromethyl)pyridin-3-ol (CAS 1881288-10-3)
- (S)-tert-butyl 4-benzyl-2-isopropylpiperazine-1-carboxylate (CAS 674791-99-2)
- 1-Oxo-1,3-diphenylpropan-2-yl indolizine-3-carboxylate (CAS 133619-67-7)
- 3-Cyclopropylcyclobutan-1-ol (CAS 1784443-90-8)
- 2-[(2,2,2-Trifluoroethyl)sulfanyl]ethan-1-amine (CAS 1016738-80-9)
- Methyl (R)-2-Amino-2-cyclohexylacetate Hydrochloride (CAS 14328-64-4)
- Acetyl-Tau Peptide (273-284) amide trifluoroacetate salt (CAS 1684399-52-7)
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