4-Bromo-1,1':4',1'':4'',1'''-quaterphenyl CAS 142878-37-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 142878-37-3 |
| Molecular Formula | C24H17Br |
| Molecular Weight | 385.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-1,1':4',1'':4'',1'''-quaterphenyl (CAS 142878-37-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H17Br. Molecular weight: 385.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H17Br |
| Molecular Weight | 385.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 2'-Bromo-5'-phenyl-1,1':3',1''-terphenyl (CAS 10368-73-7)
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- 4-Bromo-5'-phenyl-1,1':3',1''-terphenyl (CAS 116941-52-7)
- 3-Bromo-5'-phenyl-1,1':3',1''-terphenyl (CAS 1233200-57-1)
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Recommended Standards
- 2-(3-Bromophenyl)-5-((2-methylpiperidin-1-yl)methyl)benzo[d]oxazole (CAS 1706441-34-0)
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- 2-(2-Bromophenyl)-5-((3-methylpiperidin-1-yl)methyl)benzo[d]oxazole (CAS 1706442-39-8)
- 3,4-Dimethoxy-N-(2-(2-phenylthiazol-4-yl)ethyl)benzamide (CAS 863512-91-8)
- Tert-butyl 4-(4-cyanopyridin-2-yl)-1,4-diazepane-1-carboxylate (CAS 1227954-63-3)
- ((2R,3R,4S,5R)-3-(Benzoyloxy)-4-fluoro-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl benzoate (CAS 952651-49-9)
- 6-Propoxy-1,3-benzodioxole-5-carbaldehyde (CAS 879046-36-3)
- Alectinib Impurity 43 (CAS CATO-C4X-283643)
- 4-(fluorosulfonyl)-2-methylbenzoic acid (CAS 1934400-55-1)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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 13829788188 / jacky.chen@cato-chem.com