2-Chloro-1-(5-nitro-2,3-dihydro-1h-indol-1-yl)ethan-1-one CAS 87866-11-3
| CAS No. | 87866-11-3 |
| Molecular Formula | C10H9ClN2O3 |
| Molecular Weight | 240.64 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.
2-Chloro-1-(5-nitro-2,3-dihydro-1h-indol-1-yl)ethan-1-one (CAS 87866-11-3) is a high-purity analytical reference standard with the molecular formula C10H9ClN2O3 and a molecular weight of 240.64 g/mol.
Structurally, 2-Chloro-1-(5-nitro-2,3-dihydro-1h-indol-1-yl)ethan-1-one (C10H9ClN2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 240.64 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 2-Chloro-1-(5-nitro-2,3-dihydro-1h-indol-1-yl)ethan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H9ClN2O3 |
| Molecular Weight | 240.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-(4-Chlorophenyl)-5-oxotetrahydrofuran-2-carboxylic acid (CAS 34971-17-0)
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- 2-Chloro-5,7-dimethoxy-4H-chromen-4-one (CAS 67837-36-9)
- 7-bromo-4-chloro-indan-1-one (CAS 149965-64-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com