1-Benzyl-5-chloro-1H-indole-3-carbaldehyde CAS 226883-77-8
| CAS No. | 226883-77-8 |
| Molecular Formula | C16H12ClNO |
| Molecular Weight | 269.73 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.
1-Benzyl-5-chloro-1H-indole-3-carbaldehyde (CAS 226883-77-8), molecular formula C16H12ClNO and molecular weight 269.73 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-Benzyl-5-chloro-1H-indole-3-carbaldehyde (C16H12ClNO) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C16H12ClNO |
| Molecular Weight | 269.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2021 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- Bromfenac Impurity 44 (CAS CATO-C4X-200244)
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- 4,4'-Dihexyl-2,2'-bithiazole (CAS 180729-92-4)
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- H-Gly-4MβNA · HCl (CAS 201930-16-7)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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