4-Bromo-2-chloro-n-(propan-2-yl)aniline CAS 1098353-63-9
| CAS No. | 1098353-63-9 |
| Molecular Formula | C9H11BrClN |
| Molecular Weight | 248.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Bromo-2-chloro-n-(propan-2-yl)aniline.
4-Bromo-2-chloro-n-(propan-2-yl)aniline (CAS 1098353-63-9), molecular formula C9H11BrClN and molecular weight 248.55 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-Bromo-2-chloro-n-(propan-2-yl)aniline (C9H11BrClN) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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.
Physical & Chemical Properties
| Molecular Formula | C9H11BrClN |
| Molecular Weight | 248.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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- 3-fluoro-4-(methoxymethyl)benzoic acid (CAS 477199-79-4)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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