6,7-Dihydro-5H-[1,3]dioxolo[4,5-f]isoindole CAS 876503-22-9
| CAS No. | 876503-22-9 |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 6,7-Dihydro-5H-[1,3]dioxolo[4,5-f]isoindole (CAS 876503-22-9), a certified reference material (molecular formula C9H9NO2, MW 163.17 g/mol) for analytical method development and quality control.
Structurally, 6,7-Dihydro-5H-[1,3]dioxolo[4,5-f]isoindole (C9H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 163.17 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- 3-Methyl-3,4-dihydro-benzo[e][1,3]oxazin-2-one (CAS 1008-83-9)
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- 6,7-Dihydro-5H-cyclopenta[b]pyridine-2-carboxylic acid (CAS 1140239-83-3)
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- Isoquinolin-1(2H)-one (CAS 489453-23-8)
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