1-Bromo-4-(bromomethyl)-2-methylbenzene CAS 27561-51-9
| CAS No. | 27561-51-9 |
| Molecular Formula | C8H8Br2 |
| Molecular Weight | 263.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Bromo-4-(bromomethyl)-2-methylbenzene 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.
1-Bromo-4-(bromomethyl)-2-methylbenzene (CAS 27561-51-9), molecular formula C8H8Br2 and molecular weight 263.96 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8Br2, 1-Bromo-4-(bromomethyl)-2-methylbenzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C8H8Br2 |
| Molecular Weight | 263.96 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-2-(2-bromoethyl)benzene (CAS 1074-15-3)
- 1-Bromo-3-(bromomethyl)-2-methylbenzene (CAS 112299-62-4)
- 4-Bromo-2-methylbenzyl Bromide (CAS 156001-49-9)
- (-)-1-Bromo-4-(1-bromoethyl)benzene (CAS 159755-11-0)
- 1-Bromo-4-(2-bromoethyl)benzene (CAS 1746-28-7)
- 1-Bromo-2-(1-bromoethyl)benzene (CAS 62384-31-0)
- 1-Bromo-2-(bromomethyl)-4-methylbenzene (CAS 27561-50-8)
- 1-Bromo-3-(1-bromoethyl)benzene (CAS 59770-98-8)
Recommended Standards
- 1-Bromo-4-(1-bromoethyl)benzene (CAS 24308-78-9)
- 2,4-Dibromo-1-ethylbenzene (CAS 66634-86-4)
- 1-Bromo-3-(bromomethyl)-5-methylbenzene (CAS 51719-69-8)
- 2,4-Dibromo-1-ethyl-benzene (CAS 30812-87-4)
- (R)-N,N-Dimethylpiperidine-3-carboxamide (CAS 1379443-75-0)
- 5-Bromo-2-(4-bromophenyl)pyridine (CAS 183619-13-8)
- Methyl 3-amino-3-(2-chloro-3-methylphenyl)propanoate (CAS 1824403-22-6)
- 2,2'-(Hexylazanediyl)bis(ethan-1-ol) (CAS 6752-33-6)
- 3-(tert-Butyl)-4-iodo-1H-pyrazole-5-carboxylic acid (CAS 1342265-95-5)
- 2,3,3,3-Tetrafluoro-1-(pyrrolidin-1-yl)propan-1-one (CAS 113985-87-8)
- 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridin-3-amine Hydrochloride (CAS 2059988-79-1)
- 4-Fluorophenylacetonitrile (CAS 459-22-3)
- 4'-Chloro-2-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261930-53-3)
- Peptide YY (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 81858-94-8)
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