Methyl 3'-bromo-[1,1'-biphenyl]-4-carboxylate CAS 89900-91-4
| CAS No. | 89900-91-4 |
| Molecular Formula | C14H11BrO2 |
| Molecular Weight | 291.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3'-bromo-[1,1'-biphenyl]-4-carboxylate 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.
Methyl 3'-bromo-[1,1'-biphenyl]-4-carboxylate (CAS 89900-91-4) is a high-purity analytical reference standard with the molecular formula C14H11BrO2 and a molecular weight of 291.14 g/mol.
Structurally, Methyl 3'-bromo-[1,1'-biphenyl]-4-carboxylate (C14H11BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 291.14 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C14H11BrO2 |
| Molecular Weight | 291.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 1-Methylindolin-5-yl isocyanate (CAS 921938-71-8)
- Chloranocryl (CAS 2164-09-2)
- tert-Butyl (3-azabicyclo[3.3.1]nonan-1-yl)carbamate (CAS 2445791-78-4)
- 1-(4-Phenylimidazolidin-1-yl)ethanone (CAS 1799412-45-5)
- 3,4,5-Tris(4-(trifluoromethyl)phenyl)-4H-1,2,4-triazole (CAS 817638-46-3)
- Ethyl a-D-thiomannopyranoside (CAS 128946-17-8)
- n-Benzyl-2-(2,2,2-trifluoroethoxy)acetamide (CAS 1197533-90-6)
- tert-Butyl 2-(2-(4-amino-1H-pyrazol-1-yl)ethyl)piperidine-1-carboxylate (CAS 1707378-73-1)
- Insulin Glargine (CAS 160337-95-1)
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