4-Bromo-n,2-dimethylbenzamide CAS 893420-18-3
| CAS No. | 893420-18-3 |
| Molecular Formula | C9H10BrNO |
| Molecular Weight | 228.09 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.
4-Bromo-n,2-dimethylbenzamide (CAS 893420-18-3), molecular formula C9H10BrNO and molecular weight 228.09 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-Bromo-n,2-dimethylbenzamide (C9H10BrNO) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 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.
Physical & Chemical Properties
| Molecular Formula | C9H10BrNO |
| Molecular Weight | 228.09 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 tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- N-Methyl-2-(2-oxo-2,3-dihydro-1H-imidazol-4-yl)acetamide (CAS 952733-79-8)
- N-(3-cyano-4-((3-(trifluoromethyl)phenyl)sulfinyl)phenyl)-3-methoxybenzamide (CAS 477710-04-6)
- 2-Chloro-4-methyl-1-(methylthio)-1,6-dihydropyrimidine (CAS 1823877-06-0)
- (2-(tert-Butyl)-5-(methylthio)oxazol-4-yl)triphenylphosphonium iodide (CAS 122418-68-2)
- 2-Ethynyl-4'-methyl-1,1'-biphenyl (CAS 162356-69-6)
- Cycloaspeptide A (CAS 109171-13-3)
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