4'-Bromo-3-chloro-4-methyl-1,1'-biphenyl CAS 1443328-25-3
| CAS No. | 1443328-25-3 |
| Molecular Formula | C13H10BrCl |
| Molecular Weight | 281.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H10BrCl, 4'-Bromo-3-chloro-4-methyl-1,1'-biphenyl contains chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.58 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.
CATO supplies 4'-Bromo-3-chloro-4-methyl-1,1'-biphenyl (CAS 1443328-25-3), a certified reference material (molecular formula C13H10BrCl, MW 281.58 g/mol) for analytical method development and quality control.
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 4'-Bromo-3-chloro-4-methyl-1,1'-biphenyl 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 | C13H10BrCl |
| Molecular Weight | 281.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 1-Bromo-5-(4-chlorophenyl)-2-methylbenzene (CAS 1033760-75-6)
- 3'-Bromo-3-chloro-2-methyl-1,1'-biphenyl (CAS 1443328-13-9)
- 3'-Bromo-5-chloro-2-methyl-1,1'-biphenyl (CAS 1443328-14-0)
- 3'-Bromo-3-chloro-4-methyl-1,1'-biphenyl (CAS 1443351-95-8)
- 4'-Bromo-5-chloro-2-methyl-1,1'-biphenyl (CAS 1443352-45-1)
- 4'-Bromo-3-chloro-2-methyl-1,1'-biphenyl (CAS 1443352-49-5)
- 1-(Bromo(phenyl)methyl)-2-chlorobenzene (CAS 75341-34-3)
- 7-bromo-2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 442531-33-1)
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- 4-Bromo-1-methyl-2-phenyl-1H-imidazole (CAS 86119-59-7)
- (3R,4R)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-3-carboxylic acid (CAS 1993278-98-0)
- (E)-3-(4-chlorophenyl)-N'-hydroxypropanimidamide (CAS 1219625-88-3)
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