1-Bromo-2-(2-methyl-propenyl)-benzene CAS 91388-25-9
| CAS No. | 91388-25-9 |
| Molecular Formula | C10H11Br |
| Molecular Weight | 211.10 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.
CATO supplies 1-Bromo-2-(2-methyl-propenyl)-benzene (CAS 91388-25-9), a certified reference material (molecular formula C10H11Br, MW 211.10 g/mol) for analytical method development and quality control.
Owing to bromine substitution, an aromatic ring system, 1-Bromo-2-(2-methyl-propenyl)-benzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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 | C10H11Br |
| Molecular Weight | 211.10 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 |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-3-(1-methylcyclopropyl)benzene (CAS 1211592-89-0)
- 1-Bromo-2-(1-methylcyclopropyl)benzene (CAS 1211594-34-1)
- (3-Bromo-2-methylprop-1-en-1-yl)benzene (CAS 1282061-69-1)
- 1-Bromo-4-cyclopropyl-2-methylbenzene (CAS 1353854-72-4)
- 1-Bromo-2-cyclobutylbenzene (CAS 1353854-80-4)
- 4-Bromo-1-(3-butenyl)benzene (CAS 15451-32-8)
- 1-Bromo-3-(but-3-en-1-yl)benzene (CAS 161173-98-4)
- 1-Bromo-3-cyclobutylbenzene (CAS 17789-13-8)
Recommended Standards
- 1-Bromo-2-(2-methylallyl)benzene (CAS 514821-14-8)
- 1-Bromo-2-(but-3-en-1-yl)benzene (CAS 71813-50-8)
- 1-Bromo-1,2,3,4-tetrahydronaphthalene (CAS 75238-77-6)
- 1-Bromo-3-(2-ethoxyethoxy)propane (CAS 50989-89-4)
- 2-(3-Chlorophenyl)-4-(pyrrolidin-1-yl)butan-1-aminehydrochloride (CAS 1311254-81-5)
- 4-Bromopentan-1-ol (CAS 16103-56-3)
- 1-(Vinyloxy)-2,2-bis((vinyloxy)methyl)butane (CAS 57758-90-4)
- (R)-2-(3,5-bis(trifluoromethyl)phenyl)-2-(methylamino)ethan-1-ol (CAS 1336255-95-8)
- 4-(1H-Indol-5-yl)benzoicacid (CAS 886363-18-4)
- 2,2-Dimethyl-3-octanol (CAS 19841-72-6)
- 1-(2-(2-Iodobenzylidene)hydrazineyl)phthalazine (CAS 380478-98-8)
- 2-Methyl-N-(2,4,5-trimethylbenzyl)propan-2-amine (CAS 1153472-05-9)
- 2-(2-Chloro-2,2-difluoroacetyl)cyclohexan-1-one (CAS 2343-34-2)
- Peptide 442 (CAS CATO-CPTD788442)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com