1-(4-Bromobutyl)-4-methylbenzene CAS 99857-43-9
| CAS No. | 99857-43-9 |
| Molecular Formula | C11H15Br |
| Molecular Weight | 227.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H15Br, 1-(4-Bromobutyl)-4-methylbenzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-(4-Bromobutyl)-4-methylbenzene (CAS 99857-43-9), molecular formula C11H15Br and molecular weight 227.14 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.
CATO manufactures 1-(4-Bromobutyl)-4-methylbenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H15Br |
| Molecular Weight | 227.14 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
Related Bromobutyl Standards
- 1-(4-Bromobutyl)-2-methylbenzene (CAS 1339021-31-6)
- 1-(4-Bromobutyl)-3-methylbenzene (CAS 383913-43-7)
- (4-Bromobutyl)(tert-butyl)sulfane (CAS 1119801-76-1)
- 4-Bromobutyl Phenyl Ether (CAS 1200-03-9)
- (4-Bromobutyl)chlorodimethylsilane (CAS 52112-26-2)
- 1-(4-Bromobutyl)-2-fluorobenzene (CAS 1343287-81-9)
- 1-(4-Bromobutyl)-3-fluorobenzene (CAS 1343688-24-3)
- 1-(4-Bromobutyl)-4-fluorobenzene (CAS 89326-70-5)
Recommended Standards
- 1-(Bromomethyl)-2-isobutylbenzene (CAS 210587-74-9)
- 1-(3-Bromopropyl)-3,5-dimethylbenzene (CAS 90220-57-8)
- 1-Bromo-2-neopentylbenzene (CAS 33609-76-6)
- 1-(3-Bromopropyl)-2,4-dimethylbenzene (CAS 27645-10-9)
- Dimethyl Isophthalate-2,4,5,6-d4 (CAS 1007509-57-0)
- Sodium 6-methoxypyridine-3-sulfinate (CAS 1138034-16-8)
- Morpholino(3-nitrophenyl)methanone (CAS 26162-90-3)
- (3,5-Bis(trifluoromethyl)phenyl)diphenylphosphine oxide (CAS 299176-62-8)
- Dantrolene (CAS 7261-97-4)
- Ilaprazole Impurity 80 (CAS CATO-C4X-113080)
- (2-Chloro-5-hydrazinylphenyl)methanol (CAS 1639878-85-5)
- 3-(Propylamino)propane-1,2-diol (CAS 70189-88-7)
- Ethyl 2-amino-2-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)acetate hydrochloride (CAS 1032547-91-3)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com