2-Ethoxy-1H-isoindole-1,3(2H)-dione CAS 1914-21-2
| CAS No. | 1914-21-2 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Ethoxy-1H-isoindole-1,3(2H)-dione.
2-Ethoxy-1H-isoindole-1,3(2H)-dione (CAS 1914-21-2) is a high-purity analytical reference standard with the molecular formula C10H9NO3 and a molecular weight of 191.18 g/mol.
Structurally, 2-Ethoxy-1H-isoindole-1,3(2H)-dione (C10H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 191.18 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 2-Ethoxy-1H-isoindole-1,3(2H)-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 | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Ethoxy Standards
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- 4-Ethoxy-2,3-dihydro-1h-isoindole-1,3-dione (CAS 41709-84-6)
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Recommended Standards
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- 5-Fluoropentanoic acid (CAS 407-75-0)
- 3-(2-Bromophenyl)-3-((tert-butoxycarbonyl)amino)propanoic acid (CAS 284493-55-6)
- (4R,4'R)-2,2'-(Cyclohexane-1,1-diyl)bis(4-phenyl-4,5-dihydrooxazole) (CAS 2271404-99-8)
- 2-[2-(3,5-dimethylphenoxy)acetyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 1008369-07-0)
- 3-Fluoro-n-(1,3,5-trimethyl-1h-pyrazol-4-yl)benzene-1-sulfonamide (CAS 956752-67-3)
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