1-(4-nitro-2,3-dihydro-1H-indol-1-yl)ethan-1-one CAS 84807-25-0
| CAS No. | 84807-25-0 |
| Molecular Formula | C10H10N2O3 |
| Molecular Weight | 206.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-nitro-2,3-dihydro-1H-indol-1-yl)ethan-1-one (CAS 84807-25-0), molecular formula C10H10N2O3 and molecular weight 206.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H10N2O3, 1-(4-nitro-2,3-dihydro-1H-indol-1-yl)ethan-1-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 1-(4-nitro-2,3-dihydro-1H-indol-1-yl)ethan-1-one 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 | C10H10N2O3 |
| Molecular Weight | 206.20 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.) | 1981 |
| Nitrogen Atoms | 2 |
Related nitro Standards
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Recommended Standards
- 1-(4-Methoxyphenyl)pyrazolidine-3,5-dione (CAS 591233-83-9)
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- 2-tert-Butoxycarbonylamino-3-(4-nitro-phenyl)-propionic acid (CAS 86937-80-6)
- 1H-Pyrrolo[2,3-b]pyridine, 4-chloro-2-iodo-1-[(4-methylphenyl)sulfonyl]- (CAS 348640-26-6)
- (9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7-methyl-6-oxo-6,9-dihydro-3H-purin-7-ium-2-yl)amide (CAS 22164-16-5)
- 3-(Cyclohexylthio)propan-1-amine (CAS 56216-09-2)
- (R)-2-(5-bromo-2-fluoro-3-(trifluoromethyl)phenyl)pyrrolidine (CAS 1703932-25-5)
- Tegoprazan Impurity 88 (CAS CATO-C4X-229788)
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