1-Bromo-2,5-dimethoxy-3,4,6-trimethylbenzene CAS 69821-05-2
| CAS No. | 69821-05-2 |
| Molecular Formula | C11H15BrO2 |
| Molecular Weight | 259.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H15BrO2, 1-Bromo-2,5-dimethoxy-3,4,6-trimethylbenzene contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 259.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1-Bromo-2,5-dimethoxy-3,4,6-trimethylbenzene (CAS 69821-05-2), molecular formula C11H15BrO2 and molecular weight 259.14 g/mol, is a CATO reference standard with documented purity and traceability.
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-Bromo-2,5-dimethoxy-3,4,6-trimethylbenzene 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 | C11H15BrO2 |
| Molecular Weight | 259.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
Related Bromo Standards
- N-(5-Bromo-2-pyridinyl)-N-(3-ethoxypropyl)amine (CAS 1036555-29-9)
- 4-Bromo-2-[2-(dimethylamino)ethoxy]aniline (CAS 1072906-05-8)
- 4-Bromo-n1-(3-methoxypropyl)benzene-1,2-diamine (CAS 1094433-04-1)
- 4-Bromo-1-isopropyl-N,N-dimethyl-1H-pyrrole-2-carboxamide (CAS 1153308-55-4)
- 1-Bromo-5-isopropyl-2,4-dimethoxybenzene (CAS 1155371-46-2)
- 4-Bromo-3,5-dimethyl-1-(tetrahydro-2H-pyran-2-yl)pyrazole (CAS 1187385-69-8)
- 4-((5-Bromo-3-methylpyridin-2-yl)amino)butan-2-ol (CAS 1219957-47-7)
- 2-[(5-Bromo-4-methyl-2-pyridinyl)(ethyl)amino]-1-ethanol (CAS 1219960-92-5)
Recommended Standards
- 1,3-Dioxoisoindolin-2-yl 2,2,2-trifluoroacetate (CAS 5672-90-2)
- 1-Bromo-2-isopropyl-3,4-dimethoxybenzene (CAS 77256-01-0)
- 1-(4-Bromobutoxy)-4-methoxybenzene (CAS 2033-83-2)
- 1-Bromo-2-isopropyl-4-(methoxymethoxy)benzene (CAS 2635937-09-4)
- (2R,3R)-1-Ethyl-5-oxo-2-o-tolyl-pyrrolidine-3-carboxylic acid (CAS 1212152-05-0)
- Benzyl 3-((tert-butoxycarbonyl)(methyl)amino)piperidine-1-carboxylate (CAS 1284966-16-0)
- 4'-Iodo-1,1':2',1''-terphenyl (CAS 76129-21-0)
- 1-(4-Bromophenyl)-N-ethylpropan-1-amine (CAS 915923-68-1)
- Ethyl (3S,4S)-4-Methylpyrrolidine-3-carboxylate (CAS 1260603-17-5)
- Tegoprazan Impurity 59 (CAS CATO-C4X-229759)
- Cefazolin Impurity P5 (CAS CATO-C4X-157749)
- 2,6,8-Trichloroquinoline-4-carbonyl chloride (CAS 50504-07-9)
- N-[β-Hydroxy-β-(4-hydroxyphenyl)ethyl] Ractopamine (Mixture of Diastereomers) (CAS 1797121-82-4)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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