1-(Prop-2-yn-1-yl)-2,3-dihydro-1h-indole-2,3-dione CAS 4290-87-3
| CAS No. | 4290-87-3 |
| Molecular Formula | C11H7NO2 |
| Molecular Weight | 185.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(Prop-2-yn-1-yl)-2,3-dihydro-1h-indole-2,3-dione (CAS 4290-87-3) is a high-purity analytical reference standard with the molecular formula C11H7NO2 and a molecular weight of 185.18 g/mol.
Structurally, 1-(Prop-2-yn-1-yl)-2,3-dihydro-1h-indole-2,3-dione (C11H7NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 185.18 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(Prop-2-yn-1-yl)-2,3-dihydro-1h-indole-2,3-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 | C11H7NO2 |
| Molecular Weight | 185.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Prop Standards
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Recommended Standards
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